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Integrated Circuits (ICs)

STM32F103VCT6 Microcontrollers: Datasheet, Pinout, Programming [Video&FAQ]

Product Overview The STM32F103VCT6 is a high density performance line ARM Cortex-M3 32bit microcontroller in 100 pin LQFP package. It incorporates high performance RISC core with 72MHz operating frequency, high speed embedded memories, extensive range of enhanced I/Os and peripherals connected to two APB buses. The STM32F103VCT6 features 12bit ADC, timers, PWM timer, standard and advanced communication interfaces. A comprehensive set of power saving mode allows design of low power applications.   This blog will introduce STM32F103VCT6 systematically from its features, pinout to its specifications, applications, also including STM32F103VCT6 datasheet and so much more.   Catalog Product Overview Related Video Introduction STM32F103VCT6 Features STM32F103VCT6 Pinout STM32F103VCT6 Applications STM32F103VCT6 CAD Models STM32F103VCT6 Circuit Diagram STM32F103VCT6 Block Diagram STM32F103VCT6 Package STM32F103VCT6 Specification STM32F103VCT6 Manufacturer STM32F103VCT6 Datasheet Using Warnings STM32F103VCT6 FAQ   Related Video Introduction     Video: KEIL 520 Programming of STM32F103VCT6 Industrial Control Board+4-way Step Motor Pulse Control   STM32F103VCT6 Video Description: Input power supply DC12-24V, main control power supply is isolated power supply; 1: Main control: STM32F103VCT6 2:24 optocoupler isolated input (NPN: low level effective); The driving capacity of 3:24 optocoupler isolated output (NPN: output low level) is 0.5A per channel. 4:1 isolated RS232 interface; 5:1 isolation RS485 interface; 6:1 isolation CAN interface; 7:4 5V drive stepper motor drive interface (1 pulse per circuit + 1 direction control); 9: Size of control board: 190mm long * 107mm wide; Others: with SWD interface, AT24C02 and external watchdog chip   STM32F103VCT6 Features Operating voltage range from 2V to 3.6V256Kbytes of flash memory48Kbytes of SRAMCRC calculation unit, 96bit unique IDThree 12bit, 1µs A/D converter (up to 16 channels) and two 12bit DAC 92 channelFour general purpose, two advanced control and two basic timers80 fast I/O portsSerial wire debug (SWD) and JTAG interfacesThree SPI, two I2C, five USART, one USB, one SDIO and one CAN interfacesAmbient operating temperature range from -40°C to 85°C   STM32F103VCT6 Pinout The following figure is the diagram of STM32F103VCT6 pinout.   STM32F103VCT6 Pinout   STM32F103VCT6 Applications Embedded Design & Development, Motor Drive & Control, Medical, Portable Devices, Wireless, Industrial, Imaging, Video & Vision, Consumer Electronics, Automotive   STM32F103VCT6 CAD Models The followings are STM32F103VCT6 Symbol, Footprint, and 3D Model.   STM32F103VCT6 Symbol   STM32F103VCT6 Footprint   STM32F103VCT6 3D Model   STM32F103VCT6 Circuit Diagram The following is the typical application with an 8 MHz crystal.   STM32F103VCT6 Circuit Diagram   STM32F103VCT6 Block Diagram The following figure shows the block diagram of STM32F103VCT6.   STM32F103VCT6 Block Diagram   STM32F103VCT6 Package The following diagram shows the STM32F103VCT6 package.   STM32F103VCT6 Package   STM32F103VCT6 Specification Product AttributeAttribute ValueManufacturer:STMicroelectronicsProduct Category:ARM Microcontrollers - MCUSeries:STM32F103VCMounting Style:SMD/SMTPackage / Case:LQFP-100Core:ARM Cortex M3Program Memory Size:256 kBData Bus Width:32 bitADC Resolution:12 bitMaximum Clock Frequency:72 MHzNumber of I/Os:80 I/OData RAM Size:48 kBOperating Supply Voltage:2 V to 3.6 VMinimum Operating Temperature:- 40 CMaximum Operating Temperature:+ 85 CPackaging:TrayBrand:STMicroelectronicsData RAM Type:SRAMHeight:1.4 mmInterface Type:CAN, I2C, SPI, USART, USBLength:14 mmMoisture Sensitive:YesNumber of ADC Channels:16 ChannelNumber of Timers/Counters:8 TimerProcessor Series:ARM Cortex MProduct Type:ARM Microcontrollers - MCUProgram Memory Type:FlashFactory Pack Quantity:540Subcategory:Microcontrollers - MCUSupply Voltage - Max:3.6 VSupply Voltage - Min:2 VTradename:STM32Width:14 mmUnit Weight:0.046530 oz   STM32F103VCT6 Manufacturer STMicroelectronics is a global independent semiconductor company and a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio, and strategic partners positions, STMicroelectronics is at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.   STM32F103VCT6 Datasheet You can download STM32F103VCT6 datasheet from the link given below: STM32F103VCT6 Datasheet   Using Warnings Note: Please check their parameters and pin configuration before replacing them in your circuit.   STM32F103VCT6 FAQ What kind of microcontroller does STM32F103 use? STM32F103 devices use the Cortex-M3 core, with a maximum CPU speed of 72 MHz. The portfolio covers from 16 Kbytes to 1 Mbyte of Flash with motor control peripherals, USB full-speed interface and CAN. MadeForSTM32™ - the new STM32 quality label.   What is STM32F103? The STM32F103 is a high performance thirty-two bit RISC based controller having an operating frequency of seventy-two hertz. It has a flash memory of having space of one twenty kilobytes and a static ram of twenty-kilo bytes.   How many ADC peripheral in STM32F103 microcontroller? This microcontroller has two ADCs which their resolution is 12 bits and each one has 16 channels.   What is the purpose of a microcontroller? Microcontroller is a compressed micro computer manufactured to control the functions of embedded systems in office machines, robots, home appliances, motor vehicles, and a number of other gadgets. A microcontroller is comprises components like - memory, peripherals and most importantly a processor.   What are the two main functional characteristics of a microcontroller? Its two main components are the Arithmetic Logic Unit (ALU), which performs arithmetic and logical operations, and the Control Unit (CU), which handles all of the processor's instruction executions.  
Kynix On 2021-11-06   1679
Integrated Circuits (ICs)

TSOP4838 IR Receiver Module Datasheet PDF Download

CatalogDESCRIPTIONFEATURESMECHANICAL DATAORDERING CODEBLOCK DIAGRAMAPPLICATION CIRCUITPARTS TABLEABSOLUTE MAXIMUM RATINGSELECTRICAL AND OPTICAL CHARACTERISTICSTYPICAL CHARACTERISTICSPACKAGE DIMENSIONSTSOP4838 Datasheet DownloadTSOP4838 FAQ DESCRIPTIONThe TSOP22.., TSOP48.., TSOP24.. and TSOP44.. series are miniaturized IR receiver modules for infrared remote control systems. A PIN diode and a preamplifier are assembled on lead frame, the epoxy package contains an IR filter. The demodulated output signal can be directly connected to a microprocessor for decoding. The TSOP24.., TSOP44.. series devices are optimized to suppress almost all spurious pulses from Wi-Fi and CFL sources. They may suppress some data signals if continuously transmitted. The TSOP22.., TSOP48.. series devices are provided primarily for compatibility with old AGC2 designs. New designs should prefer the TSOP24.., TSOP44.. series containing the newer AGC4. These components have not been qualified according to automotive specifications. FEATURES Improved immunity against HF and RF noiseLow supply currentPhoto detector and preamplifier in one packageInternal filter for PCM frequencySupply voltage: 2.5 V to 5.5 VImproved immunity against optical noiseInsensitive to supply voltage ripple and rnoise MECHANICAL DATAPinning for TSOP44.., TSOP48..: 1 = OUT, 2 = GND, 3 = VSPinning for TSOP22.., TSOP24..: 1 = OUT, 2 = VS, 3 = GND ORDERING CODETSOP2..., TSOP4... - 2160 pieces in tubes BLOCK DIAGRAM APPLICATION CIRCUIT PARTS TABLEAGCLEGACY, FORLONG BURST REMOTE CONTROLS (AGC2)RECOMMENDED FOR LONG BURST CODES (AGC4)  Carrier frequency30 kHzTSOP4830TSOP2230TSOP4430TSOP2430 33 kHzTSOP4833TSOP2233TSOP4433TSOP2433 36 kHzTSOP4836TSOP2236TSOP4436 (1)(2)(3)TSOP2436 (1)(2)(3) 38 kHzTSOP4838TSOP2238TSOP4438 (4)(5)(6)TSOP2438 (4)(5)(6) 40 kHzTSOP4840TSOP2240TSOP4440TSOP2440 56 kHzTSOP4856TSOP2256TSOP4456 (6)(7)TSOP2456 (6)(7)PackageMoldPinning1 = OUT, 2 = GND, 3 = VS1 = OUT, 2 = VS, 3 = GND1 = OUT, 2 = GND, 3 = VS1 = OUT, 2 = VS, 3 = GNDDimensions (mm)6.0 W x 6.95 H x 5.6 DMountingLeadedApplicationRemote controlBest choice for(1) RC-5 (2) RC-6 (3) Panasonic (4) NEC (5) Sharp (6) r-step (7) Thomson RCA ABSOLUTE MAXIMUM RATINGSPARAMETERTEST CONDITIONSYMBOLVALUEUNITSupply voltage VS-0.3 to +6VSupply current IS5mAOutput voltage VO-0.3 to 5.5VVoltage at output to supply VS - VO-0.3 to (VS + 0.3)VOutput current IO5mAJunction temperature Tj100°CStorage temperature range Tstg-25 to +85°COperating temperature range Tamb-25 to +85°CPower consumptionTamb £ 85 °CPtot10mWSoldering temperaturet £ 10 s, 1 mm from caseTsd260°CNote Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating onlyand functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specificationis not implied. Exposure to absolute maximum rating conditions for extended periods may affect the device reliability ELECTRICAL AND OPTICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)PARAMETERTEST CONDITIONSYMBOLMIN.TYP.MAX.UNITSupply currentEv = 0, VS = 5 VISD0.550.70.9mA Ev = 40 klx, sunlightISH-0.8-mASupply voltage VS2.5-5.5V Transmission distanceEv = 0, test signal see Fig. 1, IR diode TSAL6200,IF = 50 mA d - 24 - mOutput voltage lowIOSL = 0.5 mA, Ee = 0.7 mW/m2,test signal see Fig. 1VOSL--100mV Minimum irradiancePulse width tolerance: tpi - 5/fo < tpo < tpi + 6/fo, test signal see Fig. 1 Ee min. - 0.12 0.25 mW/m2Maximum irradiancetpi - 5/fo < tpo < tpi + 6/fo, test signal see Fig. 1Ee max.50--W/m2DirectivityAngle of half transmission distancej1/2-± 45-deg TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)  SUITABLE DATA FORMATThis series is designed to suppress spurious output pulsesdue to noise or disturbance signals. The devices candistinguish data signals from noise due to differences infrequency, burst length, and envelope duty cycle. The datasignal should be close to the device’s band-pass centerfrequency (e.g. 38 kHz) and fulfill the conditions in the tablebelow.When a data signal is applied to the product in thepresence of a disturbance, the sensitivity of the receiveris automatically reduced by the AGC to insure that nospurious pulses are present at the receiver’s output. Someexamples which are suppressed are:DC light (e.g. from tungsten bulbs sunlight)Continuous signals at any frequencyStrongly or weakly modulated patterns from fluorescentlamps with electronic ballasts (see Fig. 13 or Fig. 14).2.4 GHz and 5 GHz Wi-Fi   TSOP22.., TSOP48..TSOP24.., TSOP44..Minimum burst length10 cycles/burst10 cycles/burstAfter each burst of lengtha minimum gap time is required of10 to 70 cycles³ 12 cycles10 to 35 cycles³ 12 cyclesFor bursts greater thana minimum gap time in the data stream is needed of70 cycles> 4 x burst length35 cycles> 10 x burst lengthMaximum number of continuous short bursts/second8001300NEC codeYesPreferredRC5/RC6 codeYesPreferredThomson 56 kHz codeYesPreferredSharp codeYesPreferred Suppression of interference from fluorescent lampsMild disturbance patterns are suppressed (example:signal pattern of Fig. 13)Complex and critical disturbance patterns are suppressed (example: signal patternof Fig. 14 or highly dimmed LCDs) PACKAGE DIMENSIONS TSOP4838 Datasheet DownloadYou can download the datasheet of TSOP4838 given the link below.TSOP4838-Datasheet TSOP4838 FAQWhat is TSOP4838?The TSOP4838 is an IR Receiver Module for long burst remote control systems. A PIN diode and a preamplifier are assembled on lead frame, the epoxy package contains an IR filter. ... The TSOP4838 is optimized to suppress almost all spurious pulses from energy saving lamps like CFLs. How does an IR receiver work?These devices pick up infrared signals from your remote control just like a TV or Cable box. After receiving an IR signal they encode and amplify it to be suitable for transmission via low-voltage wiring. What is the use of IR module?IR sensors are now widely used in motion detectors, which are used in building services to switch on lamps or in alarm systems to detect unwelcome guests. In a defined angle range, the sensor elements detect the heat radiation (infrared radiation) that changes over time and space due to the movement of people. 
kynix On 2022-02-11   1676
Integrated Circuits (ICs)

STM32F407VET6 Microcontrollers: CAD Models, Datasheet, Features [Video&FAQ]

CatalogProduct Overview STM32F407VET6 CAD Models STM32F407VET6 Pin ConfigurationSTM32F407VET6 Block Diagram STM32F407VET6 FeaturesSTM32F407VET6 ApplicationsSTM32F407VET6 DatasheetSTM32F407VET6 SpecificationsSTM32F407VET6 ManufacturerUsing WarningSTM32F407VET6 FAQ Product OverviewThe STM32F405xx and STM32F407xx family is based on the high-performance ARM® Cortex®-M4 32-bit RISC core operating at a frequency of up to 168 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision which supports all ARM singleprecision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The STM32F405xx and STM32F407xx family incorporates high-speed embedded memories (Flash memory up to 1 Mbyte, up to 192 Kbytes of SRAM), up to 4 Kbytes of backup SRAM, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, three AHB buses and a 32-bit multi-AHB bus matrix. All devices offer three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose 16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers, a true random number generator (RNG). They also feature standard and advanced communication interfaces.  STM32F407VET6 CAD ModelsFigure: PCB Symbol  Figure: Footprint  Figure: 3D Models STM32F407VET6 Pin ConfigurationFigure: Pin Configuration STM32F407VET6 Block DiagramFigure: Block Diagram STM32F407VET6 Features1)Core: ARM® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory, frequency up to 168 MHz, memory protection unit, 210 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions 2)Memories 3)Up to 1 Mbyte of Flash memory 4)Up to 192+4 Kbytes of SRAM including 64-Kbyte of CCM (core coupled memory) data RAM 5)Flexible static memory controller supporting Compact Flash, SRAM, PSRAM, NOR and NAND memories 6)LCD parallel interface, 8080/6800 modes 7)Clock, reset and supply management -1.8 V to 3.6 V application supply and l/Os-POR, PDR, PVD and BOR-4-t0-26 MHz crystal oscillator-Internal 16 MHz factory-trimmed RC (1%accuracy)-32 kHz oscillator for RTC with calibration-Internal 32 kHz RC with calibration 8)Low-power operation-Sleep, Stop and Standby modes-VBAT supply for RTC, 20×32 bit backup registers + optional 4 KB backup SRAM 9)3x12-bit, 2.4 MSPS A/D converters: up to 24 channels and 7.2 MSPS in triple interleaved mode 10)2x12-bit DIA converters 11)General-purpose DMA: 16-stream DMA controller with FIFOs and burst suport 12)Up to 17 timers: up to twelve 16-bit and two 32- bit timers up to 168 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input 13)Debug mode-Serial wire debug (SWD) & JTAG interfaces-Cortex-M4 Embedded Trace Macrocell™ 14)Up to 140 I/O ports with interrupt capability-Up to 136 fast I/Os up to 84 MHz-Up to 138 5 V-tolerant I/Os 15)Up to 15 communication interfaces-Up to 3 × I2C interfaces (SMBus/PMBus)-Up to 4 USARTs/2 UARTs (10.5 Mbit/s, ISO 7816 interface, LIN, IrDA, modem control)-Up to 3 SPIs (42 Mbits/s), 2 with muxed full-duplex I2S to achieve audio class accuracy via internal audio PLL or external clock-2 × CAN interfaces (2.0B Active)-SDIO interface 16)Advanced connectivity-USB 2.0 full-speed device/host/OTG controller with on-chip PHY-USB 2.0 high-speed/full-speed device/host/OTGcontroller with dedicated DMA, on-chip full-speed PHY and ULPI-10/100 Ethernet MAC with dedicated DMA: supports IEEE 1588v2 hardware, MII/RMII 17)8- to 14-bit parallel camera interface up to 54 Mbytes/s 18)True random number generator 19)CRC calculation unit 20)96-bit unique ID 21)RTC: subsecond accuracy, hardware calendar STM32F407VET6 Applications1)Motor drive and application control 2)Medical equipment 3)Industrial applications: PLC, inverters, circuit breakers 4)Printers, and scanners 5)Alarm systems, video intercom, and HVAC 6)Home audio appliances STM32F407VET6 DatasheetYou can download the datasheet from the link given below:Datasheet STM32F407VET6 SpecificationsProduct AttributeAttribute ValueManufacturer:STMicroelectronicsProduct Category:ARM Microcontrollers - MCUSeries:STM32F407VEMounting Style:SMD/SMTPackage / Case:LQFP-100Core:ARM Cortex M4Program Memory Size:512 kBData Bus Width:32 bitADC Resolution:12 bitMaximum Clock Frequency:168 MHzNumber of I/Os:82 I/OData RAM Size:192 kBOperating Supply Voltage:1.8 V to 3.6 VMinimum Operating Temperature:- 40℃Maximum Operating Temperature:+ 85℃Brand:STMicroelectronicsDAC Resolution:12 bitData RAM Type:SRAMInterface Type:CAN, I2C, SDIO, I2S / SPI, UART / USART, USBMoisture Sensitive:YesNumber of ADC Channels:16 ChannelProcessor Series:STM32F40Product:MCU+FPUProduct Type:ARM Microcontrollers - MCUProgram Memory Type:FlashSubcategory:Microcontrollers - MCUSupply Voltage - Max:3.6 VSupply Voltage - Min:1.8 VTradename:STM32Watchdog Timers:Watchdog Timer, WindowedUnit Weight:0.046530 oz STM32F407VET6 ManufacturerSTMicroelectronics is a French-Italian multinational electronics and semiconductors manufacturer headquartered in Plan-les-Ouates near Geneva, Switzerland. The company resulted from the merger of two government-owned semiconductor companies in 1987: "Thomson Semiconducteurs" of France and "SGS Microelettronica" of Italy. It is commonly called "ST", and it is Europe's largest semiconductor chip maker based on revenue. While STMicroelectronics corporate headquarters and the headquarters for EMEA region are based in the Canton of Geneva, the holding company, STMicroelectronics N.V. is incorporated in the Netherlands. Using WarningNote: Please check their parameters and pin configuration before replacing them in your circuit. STM32F407VET6 FAQWhat is STM32F407VET6?The STM32F407VET6 is a high performance foundation line, ARM Cortex-M4 32bit microcontroller in 100 pin LQFP package. The STM32F407VET6 incorporates high speed embedded memories, extensive range of enhanced I/Os and peripherals connected to two APB buses, three AHB buses and 32bit multi AHB bus matrix. How do I program a STM32F407VET6?Warning1.Provide power for the STM32F407VET6 board through a 3.3V pin, 5V pin or over a USB cable.2.Connect the NUCLEO board to your PC over a USB cable.3.To program the STM32F407VET6 board, click on the Compile button and save the binary to the NUCLEO virtual disk . What is a microcontroller used for?In the office, microcontrollers are used in computer keyboards, monitors, printers, copiers, fax machines, and telephone systems to name a few. In your home, microcontrollers are used in microwave ovens, washers and dryers, security systems, lawn sprinkler station controllers, and music/video entertainment components. 
Kynix On 2021-10-28   1673
Integrated Circuits (ICs)

TMC2130 Stepper Motor Drivers: CAD Models, Datasheet, Features [Video&FAQ]

CatalogProduct OverviewTMC2130 DescriptionTMC2130 Related Video IntroductionTMC2130 CAD ModelsTMC2130 Pin ConfigurationTMC2130 Block DiagramTMC2130 Features and BenefitsTMC2130 ApplicationsTMC2130 Sample CircuitsTMC2130 DatasheetTMC2130 SpecificationsTMC2130 ManufacturerUsing WarningTMC2130 FAQ Product OverviewUniversal high voltage driver for two-phase bipolar stepper motor. StealthChop™ for quiet movement. Integrated MOSFETs for up to 2.0A motor current per coil. With Step/Dir Interface and SPI. TMC2130 DescriptionThe TMC2130 is a high-performance driver integrated circuit for two-phase stepper motors. SPI and STEP /DIR standards make communication easier. TRINAMIC's innovative StealthChop chopper assures quiet operation while maximizing efficiency and motor power. CoolStep helps you to cut your energy use by up to 75%. DcStep drives big loads as quickly as feasible with minimizing step loss. Motor currents of up to 1.2A RMS (QFN package) / 1.4A RMS (TQFP package) or 2.5A short time peak current per coil are handled by integrated power MOSFETs. Protection and diagnostic functions help to ensure a stable and dependable functioning. The most advanced stepper motor driver in the industry allows for downsized designs with a low external component count for cost-effective and highly competitive solutions. TMC2130 Related Video IntroductionVideo Description: In this video I tried to show you how to install Trinamic TMC2130 stepper motor drivers to ramps 1.4 board in standalone mode and how silent your 3d printer can be after this upgrade. TMC2130 CAD ModelsPCB Symbol  Footprint  3D Models TMC2130 Pin AssignmentsTMC2130-LA Package and Pinning QFN36 (5x6mm² Body)  TMC2130-TA Package and Pinning TQFP-EP 48-EP (7x7mm² Body, 9x9mm² with Leads) Signal DescriptionsPinQFN36TQFP48TypeFunctionCLK12DICLK input. Tie to GND using short wire for internal clockor supply external clock.CSN_CFG323DI(tpu)SPI chip select input (negative active) (SPI_MODE=1) orConfiguration input (SPI_MODE=0) (tristate detection).SCK_CFG234DI(tpu)SPI serial clock input (SPI_MODE=1) orConfiguration input (SPI_MODE=0) (tristate detection).SDI_CFG145DI(tpu)SPI data input (SPI_MODE=1) orConfiguration input (SPI_MODE=0) (tristate detection).SDO_CFG057DIO(tpu)SPI data output (tristate) (SPI_MODE=1) orConfiguration input (SPI_MODE=0) (tristate detection).STEP68DISTEP inputDIR79DIDIR inputVCC_IO810 3.3V to 5V IO supply voltage for all digital pins. DNC 911, 14, 16,18, 20, 22,28, 41, 43,45, 47 -Do not connect. Leave open to ensure highest distance for high voltage pins in TQFP package! SPI_MODE 10 12 DI(pu)Mode selection input with pullup resistor. When tied low, the chip is in standalone mode and pins have their CFG functions. When tied high, the SPI interface is availablefor control. Integrated pull-up resistor.N.C.116, 31, 36 Unused pin, connect to GND for compatibility to futureversions.GNDP12, 3513, 48 Power GND. Connect to GND plane near pin.OB11315 Motor coil B output 1 BRB 14 17 Sense resistor connection for coil B. Place sense resistor to GND near pin. An additional 100nF capacitor to GND(GND plane) is recommended for best performance.OB21519 Motor coil B output 2 VS 16, 31 21, 40 Motor supply voltage. Provide filtering capacity near pinwith short loop to nearest GNDP pin (respectively via GND plane).DCO1723DIODcStep ready output DCEN_CFG4 18 24DI(tpu)DcStep enable input (SPI_MODE=1) - tie to GND for normal operation (no DcStep) orConfiguration input (SPI_MODE=0) (tristate detection). DCIN_CFG5 19 25DI(tpu)DcStep gating input for axis synchronization (SPI_MODE=1) orConfiguration input (SPI_MODE=0) (tristate detection).DIAG02026DIODiagnostics output DIAG0. Use external pull-up resistorwith 47k or less in open drain mode.DIAG12127DIODiagnostics output DIAG1. Use external pull-up resistorwith 47k or less in open drain mode. DRV_ENN_ CFG6  22  29 DI(tpu)Enable input (SPI_MODE=1) orconfiguration / Enable input (SPI_MODE=0) (tristate detection).The power stage becomes switched off (all motor outputsfloating) when this pin becomes driven to a high level. AIN_IREF 23 30 AIAnalog reference voltage for current scaling (optional mode) or reference current for use of internal senseresistorsGNDA2432 Analog GND. Tie to GND plane. 5VOUT 25 33 Output of internal 5V regulator. Attach 2.2µF or largerceramic   capacitor   to   GNDA   near   to   pin   for best performance. May be used to supply VCC of chip.   VCC   26   34 5V supply input for digital circuitry within  chip  and  charge pump. Attach 470nF capacitor to GND (GND plane). May be supplied by 5VOUT. A 2.2 or 3.3 Ohm resistor is recommended for decoupling noise from 5VOUT. When using an external supply, make sure, that VCC comes up before or in parallel to 5VOUT or VCC_IO, whichevercomes up later!CPO2735 Charge pump capacitor output.CPI2837 Charge pump capacitor input. Tie to CPO using 22nF 50Vcapacitor.VCP2938 Charge pump voltage. Tie to VS using 100nF capacitor.VSA3039 Analog supply voltage for 5V regulator. Normally tied toVS. Provide a 100nF filtering capacitor.OA23242 Motor coil A output 2 BRA 33 44 Sense resistor connection for coil A. Place sense resistor to GND near pin. An additional 100nF capacitor to GND(GND plane) is recommended for best performance.OA13446 Motor coil A output 1TST_MODE361DITest mode input. Tie to GND using short wire.Exposed die pad - - Connect the exposed die pad to a GND plane. Provide as many as possible vias for heat transfer to GND plane.Serves as GND pin for digital circuitry. *(pu) denominates a pin with pullup resistor; (tpu) denominates a pin with pullup resistor or toggle detection. Toggle detection is active in standalone mode, only (SPI_MODE=0) * Digital Pins: All pins of type DI, DI(pu), DI(tpu), DIO and DIO(tpu) refer to VCC_IO and have intrinsic protective clamping diodes to GND and VCC_IO and use Schmitt trigger inputs. TMC2130 Block DiagramBlock Diagram TMC2130 Features and Benefits2-phase stepper motors up to 2.0A coil current (2.5A peak)Step/Dir Interface with microstep interpolation MicroPlyer™SPI InterfaceVoltage Range 4.75… 46V DCHighest Resolution 256 microsteps per full stepStealthChop™ for extremely quiet operation and smooth motionspreadCycle™ highly dynamic motor control chopperDcStep™ load dependent speed controlStallGuard2™ high precision sensorless motor load detectionCoolStep™ current control for energy savings up to 75%Integrated Current Sense OptionPassive Braking and freewheeling modeFull Protection & DiagnosticsSmall Size 5x6mm2 QFN36 package or TQFP48 package TMC2130 ApplicationsTextile, Sewing MachinesFactory & Lab Automation3D printersLiquid HandlingMedicalOffice AutomationCCTV, SecurityATM, Cash recyclerPOSPumps and Valves TMC2130 STEP DIR Application Diagram  TMC2130 Standalone Driver Application Diagram TMC2130 Sample CircuitsThe sample circuits explain how to connect external components in various operation and supply modes. For clarity, the bus interface and other digital signals are not connected. Standard Application CircuitStandard Application Circuit A small number of extra components are used in the standard application circuit. The motor coil current is controlled by two sensing resistors. To select the appropriate sensing resistors, refer to Chapter 9. Filter the power supply with low ESR capacitors. Capacitors must deal with the current ripple caused by chopper operation. For optimal functioning, a minimum capacity of 100F near the driver is advised. The current ripple in the supply capacitors is also affected by the internal resistance of the power supply and the length of the connection. VCC IO can be powered by 5VOUT or an external source, such as a low drop 3.3V regulator. If a separate (lower) supply voltage is available, a different (lower) supply voltage can be utilized for VSA to minimize linear voltage regulator power dissipation of the internal 5V voltage regulator in applications where VM is high. Many applications, for example, include a 12V supply in addition to a higher driver supply voltage. Using a 12V supply for VSA instead of a 24V supply reduces the power dissipation of the internal 5V regulator to around 37% of the dissipation generated by a full motor voltage supply. Reduced Number of ComponentsReduced Number of Filtering Components The conventional application circuit employs RC filtering to isolate the output of the internal linear regulator from the high frequency ripple created by digital circuitry powered by the VCC input. For low-cost applications, the RC-Filtering on VCC can be disabled. As a result of the operation of the charge pump and the internal digital circuitry, there is additional noise on 5VOUT. There is a minor effect on the performance of microstep vibration and chopper noise. Internal RDSon SensingSense resistors can be eliminated in cost-sensitive or limited-space applications. A reference current set by a modest external resistor programs the output current in internal current sensing. RDSon Based Sensing Eliminates High Current Sense Resistors External 5V Power SupplyWhen an external 5V power source is provided, the internal linear regulator's power consumption can be avoided. This is particularly useful in high voltage applications and when temperature conditions are critical. There are two ways to use an external 5V source: either the external 5V source is used to support the driver's digital supply by feeding the VCC pin, or the entire internal voltage regulator is bridged and replaced by the external supply voltage. Support for the VCC SupplyAll digital circuitry within the driver is powered by an external source in this scheme (Figure 3.4). Because the digital circuitry accounts for the majority of the power consumption, the internal 5V regulator sees just a small remaining load. The carefully regulated voltage of the internal regulator is still used as a reference for motor current regulation and to power internal analog circuits.When disconnecting VCC from 5VOUT, make sure the VCC supply comes on before or synchronously with the 5VOUT supply to ensure a proper power up reset of the internal logic. A basic schematic for VCC uses two diodes to produce an OR of the internal and external power supply. To prevent the chip from taking power from its internal regulator, the external 5V supply line is protected by a low drop 1A Schottky diode, while the 5VOUT path is protected by a silicon diode. As an active switch, an improved solution employs a dual PNP transistor. It reduces voltage drop and hence provides the greatest performance. In certain setups, switching of VCC voltage can be eliminated. A third variant uses the VCC_IO supply to ensure power-on reset. This is possible, if VCC_IO comes up synchronously with or delayed to VCC. Use a linear regulator to generate a 3.3V VCC_IO from the external 5V VCC source. This 3.3V regulator will cause a certain voltage drop. A voltage drop in the regulator of 0.9V or more (e.g. LD1117-3.3) ensures that the 5V supply already has exceeded the lower limit of about 3.0V once the reset conditions ends. The reset condition ends earliest, when VCC_IO exceeds the undervoltage limit of minimum 2.1V. Make sure that the power-down sequence also is safe. Undefined states can result when VCC drops well below 4V without safely triggering a reset condition. Triggering a reset upon power-down can be ensured when VSA goes down synchronously with or before VCC. VCC Supplied from External 5V. 5V or 3.3V IO Voltage  VCC Supplied from External 5V. 3.3V IO Voltage Generated from Same Source  VCC Supplied from External 5V Using Active Switch. 5V or 3.3V IO Voltage Internal Regulator BridgedIf a clean external 5V supply is available, it can be used to power both the analog and digital parts. A well-regulated supply, such as when employing a +/-1 percent regulator, will improve the circuit. Because the voltage at 5VOUT directly serves as the reference voltage for all internal units of the driver, including motor current control, a precise supply ensures greater motor current precision. The power supply should have low ripple for the best performance, providing a precise and stable supply at the 5VOUT pin with remaining ripple well below 5mV. Some switching regulators have more residual ripple than others, and various loads on the supply may create lower frequency ripple. Increase the capacity associated to 5VOUT in this situation. If the external supply voltage is unstable or has a low frequency ripple, it will compromise the precision of the motor current regulation and increase chopper noise. Using an External 5V Supply to Bypass Internal Regulator Pre-Regulator for Reduced Power DissipationWhen running at supply voltages of up to 46V for VS and VSA, the inbuilt linear regulator contributes up to 1W to the driver's power consumption. This reduces the chip's capacity to consistently drive high motor current, especially at high temperatures. When there is no external power source in the 5V to 24V range, an external pre-regulator can be made using a few inexpensive components to dissipate the majority of the voltage drop in external components. The diagram below depicts various examples. In the absence of a well-defined supply voltage, a single 1W or higher power Zener diode will suffice. Simple Pre-Regulator for 24V up to 46V  Simple Short Circuit Protected Pre-Regulator for 24V up to 46V  5V Only Supply5V only operation While the usual application circuit is limited to a lower supply voltage of about 5.5 V, a 5 V only application allows the IC to run off a normal 5 V +/-5 percent supply. Linear regulator drop must be kept to a minimum in this application. As a result, the major 5 V load is reduced by directly feeding VCC from the external supply. 5VOUT should have its own filtering capacity to keep supply ripple away from the analog voltage reference, and the 5VOUT pin should not get bridged to the 5V supply. High Motor CurrentWhen operating at a high motor current, the driver heats up rapidly due to power dissipation caused by MOSFET switch onresistance. If the duty cycle is increased, this power dissipation will also heat up the PCB cooling infrastructure. This causes the driver's temperature to rise even further. A temperature increase of about 100°C increases MOSFET resistance by about 50%. This is typical MOSFET switch behavior. As a result, thermal properties must be carefully considered in high duty cycle, high load conditions, especially when elevated ambient temperatures are to be accommodated. For more details, see the thermal characteristics and layout hints. Thermal qualities of the PCB design become crucial for the QFN-36 at or above around 1000mA RMS motor current for extended periods of time, as a rule of thumb. Keep in mind that resistive power dissipation grows in direct proportion to the square of the motor current. On the other side, a little reduction in motor current saves a large amount of heat dissipation and energy. When employing SpreadCycle, a small sine distortion of the current wave may be detected at medium motor velocities and motor sine wave peak currents above about 1.2A peak. It is caused by a rising negative impact of parasitic internal diode conduction, which in turn reduces the duration of the SpreadCycle chopper's fast decay cycle. This is due to the fact that the current measurement does not see the whole coil current during this phase of the sine wave, because a growing portion of the current travels directly from the power MOSFETs' drain to GND without passing through the sense resistor. Because it has no effect on the crucial current zero transition, this effect has no negative impact on the smoothness of operation in most motors. StealthChop does not have this effect. Reduce Linear Regulator Power DissipationWhen running at high supply voltages, the power dissipation of the integrated 5V linear regulator can be minimized as a first step, for example, by using an external 5V source for supply. This reduces total heating. It is recommended to lower motor standstill current to reduce total power dissipation. Use CoolStep as well, if applicable. A lower clock frequency reduces the power dissipation of the internal logic. Furthermore, lowering the chopper frequency can help to reduce power dissipation. Operation near to / above 2A Peak CurrentThe driver can provide a maximum motor peak current of 2.5A. Due to heat constraints, this is only viable in duty cycle limited operation. When driving a peak current of up to 2.5A, the driver chip temperature should be controlled at a maximum of 105°C. Derate the design peak temperature linearly from 125°C to 105°C in the 2A to 2.5A output current range. Exceeding this limit may result in the short circuit detector being triggered. Derating of Maximum Sine Wave Peak Current at Increased Die Temperature Reduction of Resistive Losses by Adding Schottky DiodesWhen driving large motor currents, Schottky Diodes can be added to the circuit to reduce driver power dissipation (see Figure 3.9). Schottky diodes have a conduction voltage of around 0.5V and will take over more than half of the motor current during the negative half wave of each output in the slow and fast decay phases, resulting in a cooler motor driver. This effect begins at a few percent at 1.2A and rises with greater motor current rating up to about 20%. Because a 30V Schottky diode has a lower forward voltage than a 50V or 60V diode, using a 30V diode when the supply voltage is less than 30V makes sense. Because of the shorter durations of diode conduction in the chopper cycle, the diodes will have less effect while working with StealthChop. The effect of the diodes is insignificant at current levels less than 1.2A coil current. Schottky Diodes Reduce Power Dissipation at High Peak Currents up to 2A (2.5A) Driver Protection and EME CircuitrySome applications must deal with ESD occurrences induced by motor action or outside influences. Regardless of ESD circuitry within the driver chips, ESD occurrences during operation can cause a reset or even the destruction of the motor driver, depending on their energy. Plastic housings and belt drive systems, in particular, are known to induce ESD incidents of several kV. To eliminate ESD incidents, connect all conductive elements, including the motors themselves, to PCB ground or use electrically conductive plastic parts. Furthermore, the driver can be protected to some extent against ESD occurrences or live plugging / withdrawing the motor, both of which induce high voltages and currents into the motor connector terminals. To decrease the dV/dt generated by ESD events, a simple technique employs capacitors at the driver outputs. Larger capacitors provide more value in terms of ESD suppression, but they produce more current flow in each chopper cycle, increasing driver power dissipation, especially at high supply voltages. The values displayed are only examples; they might be anywhere between 100pF and 1nF. The capacitors further limit electromagnetic emission by dampening high frequency noise introduced from digital components of the application PCB circuitry. A more complex technique decouples the driver outputs from the motor connector using LC filters. Varistors placed between the coil terminals prevent coil overvoltage produced by live plugging. A varistor can be used to protect all outputs from ESD voltage. TMC2130 DatasheetYou can download the datasheet of TMC2130 from the link given below:TMC2130 Datasheet TMC2130 SpecificationsProduct AttributeAttribute ValueManufacturer:TrinamicProduct Category:Motor / Motion / Ignition Controllers & DriversProduct:Stepper Motor Controllers / DriversType:2 PhaseOperating Supply Voltage:4.75 V to 46 VOutput Current:2 AOperating Supply Current:19 mAMinimum Operating Temperature:- 40 ℃Maximum Operating Temperature:+ 125 ℃Mounting Style:SMD/SMTPackage / Case:QFN-36Packaging:ReelPackaging:Cut TapeBrand:TrinamicDevelopment Kit:TMC2130-EVALMoisture Sensitive:YesOperating Frequency:13.2 MHzPd - Power Dissipation:2.6 WProduct Type:Motor / Motion / Ignition Controllers & DriversSeries:TMC2130Subcategory:PMIC - Power Management ICsPart # Aliases:00-0128TUnit Weight:140 mg TMC2130 ManufacturerHeadquartered in Hamburg, Germany with subsidiaries in Tallinn, Estonia, and Chicago, IL, USA, Trinamic provides integrated circuits, modules, and integrated mechatronics for embedded motor and motion control to customers all over the world. Using WarningNote: Please check their parameters and pin configuration before replacing them in your circuit. TMC2130 FAQWhat are Trinamic drivers?Stepper motors in a 3D printer are controlled by a variety of driver chips such as the common A4988 and DRV8825. These provide signals to the stepper motors to control the magnets and move them by micro-steps. What are stepper motor drivers?A Stepper Motor Driver is the driver circuit that enables the stepper motor to function the way it does. For example, stepper motors require sufficient and controlled energy for phases in a precise sequence. Due to this, stepper motors are considered more advanced than the typical DC motor. How do I identify my stepper driver?Consider voltage and current needs. A simple way to choose a stepper drive is to look for four things — voltage, current, microstepping, and maximum step pulse rate. Ensure that the drive can handle a wide range of current so that you can test the system at different voltage levels to fit your application. What is a motor driver?A motor driver takes the low-current signal from the controller circuit and amps it up into a high-current signal, to correctly drive the motor. It basically controls a high-current signal using a low-current signal. There are different types of motor drivers available in the market, in the form of ICs. What is a silent stepper driver?The SilentStepStick is a stepper driver board for 2-phase motors, based on the TMC2100, TMC2130, TMC2208, TMC2209 or TMC5160. The driver boards are compatible with StepSticks of the same familiar size and drop-in replacements for some of them. 
kynix On 2022-07-01   1667
Integrated Circuits (ICs)

LSK170 High Input Impedance, Ultra-Low Noise, Single N-Channel JFET Datasheet PDF Download

CatalogDescriptionLSK170 Top ViewFeaturesBenefitsApplicationsAbsolute Maximum RatingsElectrical CharacteristicsTypical CharacteristicsOrdering InformationPackage DimensionsLSK170 DatasheetLSK170 FAQ DescriptionThe LSK170 is specifically designed for low noise, high input impedance applications within the audio, instrumentation, medical and sensors markets. The narrow ranges of IDSS grades with the LSK170 promote ease of design.  particularly in low voltage applications. The LSK170 is ideal for portable battery operated applications, and features high BVDSS for maximum linear headroom in high transient program content amplifiers. The series has a uniquely linear VGS transfer function for a stability that is highly desirable, particularly for audio front-end preamplifiers. The device is available in a surface mount SOT-23 package, throughhole TO-92 package and SOT-89 package, The surface mount version of the LSK170 Series creates new opportunities for engineers seeking to design lower noise circuits in compact embeddable applications where shielding and space are critical. The LSK170 series is a pin for pin replacement of the Toshiba 2SK170 and improved functional replacement for the Interfet IF1320, IF1330, IF1331, and IF4500. Contact the factory for tighter noise and other specification selections. LSK170 Top ViewLSK170 TO-92 3L TOP VIEW  LSK170 SOT-23 3L TOP VIEW  LSK170 SOT-89 3L TOP VIEW FeaturesULTRA LOW NOISE (f =1khz):en = 0.9nV/√HzHigh Breakdown Voltage:BVGSS = 40V minHigh Gain: Gfs= 22mS (typ)High Input Impedance:20GΩ typLow Capacitance: 22pF maxImproved Second SourceReplacement for 2SK170For Equivalent Monolithic-Dual,See the LSK389 Series BenefitsDirect Pin-For-Pin Replacementof Toshiba's 2SK170Optimized to Provide Low Noiseat Both High and Low Frequencies With a Narrow Range of IDSS and Low CapacitanceLow Noise to Capacitance Ratioand Narrow Range of Low Value IDSS Provide Solutions for Low Noise Applications Which Cannot Tolerate High Values of Capacitance or Wide Ranges of IDSS ApplicationsAudio Amplifiers andPreampsDiscrete Low-NoiseOperational AmplifiersGuitar PickupsEffects PedalsMicrophonesAudio MixerConsolesAcoustic SensorsSonobouysHydrophonesChemical and RadiationDetectorsInstrumentation AmplifiersAccelerometersCT Scanners Input StagesOscilloscope Input StagesElectrometers andVibrations Detectors Absolute Maximum Ratings@ 25 °C (unless otherwise stated)Maximum TemperaturesStorage Temperature-55 to +150°CJunction Operating Temperature-55 to +135°CMaximum Power DissipationContinuous Power Dissipation @ +25°C400mWMaximum CurrentsGate Forward CurrentIG(F) = 10mAMaximum VoltagesGate to SourceVGSS = 40VGate to DrainVGDS = 40V Electrical Characteristics @ 25°C (unless otherwise stated)SYMBOLCHARACTERISTICMINTYPMAXUNITSCONDITIONSBVGSSGate to Source Breakdown Voltage-40.0  VVDS = 0V, ID = -100µAVGS(OFF)Gate to Source Pinch-off Voltage-0.2 -2.0VVDS = 10V, ID = 1nAVGSGate to Source Operating Voltage 0.5 VVDS = 10V, ID = 1mA  IDSS2     Drain to Source Saturation Current   LSK170A2.6 6.5  mA     VDS = 10V, VGS = 0   LSK170B6.0 12.0LSK170C10.0 20.0LSK170D18.0 30.0IGGate Operating Current  -0.5nAVDG = 10V, ID = 1mAIGSSGate to Source Leakage Current  -1.0nAVGs = -10V, VDs = 0VGfsFull Conduction Transconductance14.022.0 mSVDS = 10V, VGS = 0, f = 1kHzGfsTypical Conduction Transconductance6.010.0 mSVDS = 15V, ID = 1mAenNoise Voltage 0.91.9nV/√HzVDS = 10V, ID = 2mA, f = 1kHz, NBW = 1HzenNoise Voltage 1.44.0nV/√HzVDS = 10V, ID = 2mA, f = 10Hz, NBW = 1HzCISSCommon Source Input Capacitance 20.0 pFVDS = 15V, ID = 100µA, f = 1MHz,CRSSCommon Source Reverse Transfer Cap. 5.0 pFVDS = 15V, ID = 100µA, f = 1MHz, Typical CharacteristicsLSK170 Operating Current  LSK170 Output Conductance  LSK170 Output Characteristics  LSK170 Operating Characteristics  LSK170 Common Source Transconductance vs. Drain Current  LSK170 Drain Current Transconductance vs. Gate-Source Cutoff Voltage  LSK170 Equivalent Input Noise Voltage vs. Frequency Ordering InformationSTANDARD PART CALL-OUTCUSTOM PART CALL-OUTCUSTOM PARTS INCLUDE SEL + 4 DIGIT NUMERIC CODE)LSK170A TO-92 3L RoHSLSK170A TO-92 3L RoHS SELXXXXLSK170B TO-92 3L RoHSLSK170B TO-92 3L RoHS SELXXXXLSK170C TO-92 3L RoHSLSK170C TO-92 3L RoHS SELXXXXLSK170D TO-92 3L RoHSLSK170D TO-92 3L RoHS SELXXXXLSK170A SOT-23 3L RoHSLSK170A SOT-23 3L RoHS SELXXXXLSK170B SOT-23 3L RoHSLSK170B SOT-23 3L RoHS SELXXXXLSK170C SOT-23 3L RoHSLSK170C SOT-23 3L RoHS SELXXXXLSK170D SOT-23 3L RoHSLSK170D SOT-23 3L RoHS SELXXXXLSK170A SOT-89 3L RoHSLSK170A SOT-89 3L RoHS SELXXXXLSK170B SOT-89 3L RoHSLSK170B SOT-89 3L RoHS SELXXXXLSK170C SOT-89 3L RoHSLSK170C SOT-89 3L RoHS SELXXXXLSK170D SOT-89 3L RoHSLSK170D SOT-89 3L RoHS SELXXXX Package DimensionsLSK170 Package Dimensions TO-92 3 Lead  LSK170 Package Dimensions SOT-23 3 Lead  LSK170 Package Dimensions SOT-89 3 Lead Notes1.Absolute maximum ratings are limiting values above which serviceability may be impaired.2.Pulse Test: PW ≤ 300µs, Duty Cycle ≤ 3%3.All characteristics MIN/TYP/MAX numbers are absolute values. Negative values indicate electrical polarity only.4.When ordering include the full Linear Systems part number and package type. Linear Systems creates custom parts on a case by case basis.5.All standard parts are RoHS compliant. Contact the factory for availability of non-RoHS parts.6.Information furnished by Linear Integrated Systems is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement ofpatents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear IntegratedSystems.7.Voltage specifications are not tested 100%, but guaranteed by lot sampling. Contact the factory if 100% test is required. LSK170 DatasheetYou can download the datasheet from the link given below:LSK170 Datasheet LSK170 FAQWhat is JFET input?The JFET-input and CMOS amplifiers' inputs are connected with the gates of the input differential pair transistors, which causes very small bias currents in the range of few picoamperes. Current-sensing applications measure the voltage drop caused by current flowing through a shunt resistor. What is RD JFET?The drain circuit contains the load resistor, Rd. The output voltage, Vout is developed across this load resistance. When the JFET is switched fully “ON” a voltage drop equal to Rs*Id is developed across this resistor raising the potential of the source terminal above 0v or ground level. Which amplifier has highest input impedance?Although the input impedance of most op amps is quite large, the actual input impedance of the circuit depends on the configuration. The noninverting op amp has the highest input impedance, that of the op amp itself. Why does a JFET has high input impedance?Since the Gate junction is reverse biased and because there is no minority carrier contribution to the flow through the device, the input impedance is extremely high. The control element for the JFET comes from depletion of charge carriers from the n-channel. Which JFET configuration has the lowest input impedance?Common gateCommon gate: This transistor configuration provides a low input impedance while offering a high output impedance. Although the voltage is high, the current gain is low and the overall power gain is also low when compared to the other FET circuit configurations available. What is N-channel JFET?A N-Channel JFET is a JFET whose channel is composed of primarily electrons as the charge carrier. This means that when the transistor is turned on, it is primarily the movement of electrons which constitutes the current flow. A N-Channel JFET is composed of a gate, a source and a drain terminal. 
kynix On 2022-01-27   1658
Integrated Circuits (ICs)

LM2901 Single Supply Quad Comparators Datasheet PDF Download

CatalogDescriptionFeaturesPin ConnectionsMaximum RatingsESD RatingsCircuit SchematicElectrical CharacteristicsPerformance CharacteristicsTypical CharacteristicsApplications InformationLM2901 DatasheetLM2901 FAQ DescriptionThese comparators are designed for use in level detection, low−level sensing and memory applications in consumer, automotive, and industrial electronic applications. FeaturesSingle Supply Operation: 3.0 V to 36VSplit Supply Operation: ±5 V to ±18VLow Input Bias Current: 25 nA(Typ)Low Input Offset Current: ±0 nA(Typ)Low Input OffsetVoltageInput Common Mode Voltage Range to GNDLow Output Saturation Voltage: 130 mV (Typ) @ 4.0mATTL and CMOSCompatibleESDClamps on the Inputs Increase Reliability without Affecting Device OperationNCV Prefix for Automotive and Other ApplicationsRequiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP CapableThese Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Pin Connections Maximum RatingsRatingSymbolValueUnitPower Supply VoltageLM239/LM339, E/LM2901, E, VVCC+36 or ±18VdcMC3302+30 or ±15Input Differential Voltage RangeLM239/LM339, E/LM2901, E, VVIDR36VdcMC330230Input Common Mode Voltage RangeVICMR−0.3 to 36VdcOutput Short Circuit to Ground (Note 1)ISCContinuous Power Dissipation @ TA = 25℃ Plastic PackagePD1WDerate above 25℃1/RθJA8mW/℃Junction TemperatureTJ150℃Operating Ambient Temperature RangeLM239TA−25 to +85℃MC3302−40 to +85LM2901, LM2901E−40 to +105LM2901V, NCV2901−40 to +125LM339, LM339E0 to +70Storage Temperature RangeTstg−65 to +150℃Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1.The maximum output current may be as high as 20 mA, independent of the magnitude of VCC. Output short circuits to VCC can cause excessive heating and eventual destruction. ESD RatingsRatingHBMMMUnitESD Protection at any Pin (Human Body Model − HBM, Machine Model − MM) NCV2901LM339E, LM2901E LM339DG/DR2G, LM2901DG/DR2GAll Other Devices200015002501500200200100200V V V V Circuit Schematic Electrical Characteristics(VCC = +5.0 Vdc, TA = +25°C, unless otherwise noted)CharacteristicSymbolLM239/339/339ELM2901/2901E/2901V/NCV2901MC3302UnitMinTypMaxMinTypMaxMinTypMaxInput Offset Voltage (Note 3)VIO−±2.0±5.0−±2.0±7.0−±3.0±20mVdcInput Bias Current (Notes 3, 4)(Output in Analog Range)IIB−25250−25250−25500nAInput Offset Current (Note 3)IIO−±5.0±50−±5.0±50−±3.0±100nAInput Common Mode Voltage Range (Note 5)VICMR0−VCC−1.50−VCC−1.50−VCC−1.5VSupply CurrentRL = ∞ (For All Comparators) RL = ∞, VCC = 30 VdcICC −− 0.81.0 2.02.5 −− 0.81.0 2.02.5 −− 0.81.0 2.02.5mAVoltage GainRL ≥ 15 kΩ, VCC = 15 VdcAVOL50200−25100−25100−V/mVLarge Signal Response Time VI = TTL Logic Swing,Vref = 1.4 Vdc, VRL = 5.0 Vdc,RL = 5.1 kΩ−−300−−300−−300−nsResponse Time (Note 6)VRL = 5.0 Vdc, RL = 5.1 kΩ−−1.3−−1.3−−1.3−µsOutput Sink CurrentVI (−) ≥ +1.0 Vdc, VI(+) = 0,VO ≤ 1.5 VdcISink6.016−6.016−6.016−mASaturation VoltageVI(−) ≥ +1.0 Vdc, VI(+) = 0,Isink ≤ 4.0 mAVsat−130400−130400−130500mVOutput Leakage CurrentVI(+) ≥ +1.0 Vdc, VI(−) = 0, VO = +5.0 VdcIOL−0.1−−0.1−−0.1−nAProduct parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions.2. (LM239) Tlow = −25°C, Thigh  = +85℃(LM339, LM339E) Tlow = 0°C, Thigh = +70°C (MC3302) Tlow = −40°C, Thigh =+85°C(LM2901), LM2901E Tlow = −40°C, Thigh = +105°(LM2901V & NCV2901) Tlow = −40°C, Thigh = +125°CNCV2901 is qualified for automotive use.3.At the output switch point, VO = 4 Vdc, RS ≤ 100 Ω 5.0 Vdc ≤ VCC ≤ 30 Vdc, with the inputs over the full common mode range (0 Vdc to VCC −1.5 Vdc).4.Thebias current flows out of the inputs due to the PNP input  This current is virtually constant, independent of the output state.5.Positiveexcursions of input voltage may exceed the power supply  As long as one input voltage remains within the common mode range, the comparator will provide a proper output state. Refer to the Maximum Ratings table for safe operating area.6.Theresponse time specified is for a 100 mV input step with 0 mV overdrive. For larger signals, 300 ns is typical. Performance Characteristics(VCC = +5.0 Vdc, TA = Tlow to Thigh [Note 7])CharacteristicSymbolLM239/339/339ELM2901/2901E/2901V/NCV2901MC3302UnitMinTypMaxMinTypMaxMinTypMaxInput Offset Voltage (Note 8)VIO−−±9.0−−±15−−±40mVdcInput Bias Current (Notes 8, 9)(Output in Analog Range)IIB−−400−−500−−1000nAInput Offset Current (Note 8)IIO−−±150−−±200−−±300nAInput Common Mode Voltage RangeVICMR0−VCC−2.00−VCC−2.00−VCC−2.0VSaturation VoltageVI(−) ≥ +1.0 Vdc, VI(+) = 0,Isink ≤ 4.0 mAVsat−−700−−700−−700mVOutput Leakage CurrentVI(+) ≥ +1.0 Vdc, VI(−) = 0, VO = 30 VdcIOL−−1.0−−1.0−−1.0µADifferential Input VoltageAll VI ≥ 0 VdcVID−−VCC−−VCC−−VCCVdc 7.(LM239) Tlow = −25°C, Thigh  = +85℃(LM339, LM339E) Tlow = 0°C, Thigh = +70°C (MC3302) Tlow = −40°C, Thigh =+85°C(LM2901, LM2901E) Tlow = −40°C, Thigh = +105℃(LM2901V & NCV2901) Tlow = −40°C, Thigh = +125°CNCV2901 is qualified for automotive use.9.At the output switch point, VO = 4 Vdc, RS ≤100 Ω 5.0 Vdc ≤ VCC ≤ 30 Vdc, with the inputs over the full common mode range (0 Vdc to VCC −1.5 Vdc).10.Thebias current flows out of the inputs due to the PNP input  This current is virtually constant, independent of the output state. Inverting Comparator with Hysteresis  Noninverting Comparator with Hysteresis Typical Characteristics(VCC = 15 Vdc, TA = +25°C (each comparator) unless otherwise noted.)Normalized Input Offset Voltage  Input Bias Current  Output Sink Current versus Output Saturation Voltage  Driving Logic  Squarewave Oscillator Applications InformationThese quad comparators feature high gain, wide bandwidth characteristics. This gives the device oscillation tendencies if the outputs are capacitively coupled to the inputs via stray capacitance. This oscillation manifests itself during output transitions (VOL  to  VOH). To alleviate this situation  input  resistors  <  10  kΩ  should  be  used. The addition of positive feedback (< 10 mV) is also recommended. It is good design practice to ground all unused input pins. Differential input voltages may be larger than supply voltages without damaging the comparator’s inputs. Voltages more negative than −300 mV should not be used. Zero Crossing Detector (Single Supply)  Zero Crossing Detector (Split Supplies) LM2901 DatasheetYou can download the datasheet of LM2901 from the link given below:LM2901 DatasheetLM2901 FAQHow do I choose the right comparator?One criterion for selecting a comparator is the time its output takes to alter its state after a signal has been applied at its input. This propagation time must account for propagation delay through the component and rise/fall times in the output driver as well. What is a voltage comparator?A voltage comparator is an electronic circuit that compares two input voltages and lets you know which of the two is greater. It's easy to create a voltage comparator from an op amp, because the polarity of the op-amp's output circuit depends on the polarity of the difference between the two input voltages.  Why is comparator needed?Comparators are used to find-out deviation of dimensions between a given component being checked and a known datum. The indicated difference in the dimensions is usually small and hence suitable magnification device should be employed to obtain the desired accuracy of measurements. Where are comparator circuits used?Generally, comparators are used in the devices such as relaxation oscillators, analog to digital converters (ADCs), and also in the devices that are used to measure analog signals. The comparators consist of high-gain differential amplifiers and we can use an op-amp as a comparator circuit. What is comparator measurement?A device that compares the unknown length with the standard. Such measurement is known as comparison measurement and the instrument, which provides such a comparison, is known as Comparator. Comparators are generally used for linear measurements. 
kynix On 2022-03-23   1656

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