DAC908E
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Manufacturer Part#:

DAC908E

Product Category: IC Chips
Manufacturer: Texas Instruments
Description: IC 8-BIT D/A CONV 28-TSSOP
  datasheetDAC908E Datasheet
Package: SOP
Quantity: 22002 PCS
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level(MSL): 3(168 Hours)
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Manufacturer: Texas Instruments
Product Category: IC Chips
Series: SpeedPlus?
Product: Digital to Analog Converters
Packaging: Tube Alternate Packaging
Unit-Weight: 0.004145 oz
Mounting-Style: SMD/SMT
Package-Case: 28-TSSOP (0.173", 4.40mm Width)
Operating-Temperature: -40°C ~ 85°C
Output-Type: Current - Unbuffered
Number-of-Channels: 1 Channel
Supplier-Device-Package: 28-TSSOP
Data-Interface: Parallel
Number-of-Bits: 8
Voltage-Supply-Analog: 2.7 V ~ 5.5 V
Voltage-Supply-Digital: 2.7 V ~ 5.5 V
Architecture: Current Source
Resolution: 8 bit
Reference-Type: External, Internal
Number-of-D-A-Converters: 1
Settling-Time: 30μs (Typ)
Differential-Output: Yes
INL-DNL-LSB: ±0.25, ±0.25
Maximum-Operating-Temperature: + 85 C
Minimum-Operating-Temperature: - 40 C
Interface-Type: Parallel
Supply-Voltage-Max: 5.5 V
Supply-Voltage-Min: 2.7 V
Package-Case: TSSOP-28
Number-of-Converters: 1 Converter
Sampling-Rate: 200 MS/s
Features, Applications

Features, Applications


FEATURES

q SINGLE OR +3V OPERATION q HIGH SFDR: 5.04MHz Output 67dBc q LOW GLITCH: 3pV-s q LOW POWER: +5V q INTERNAL REFERENCE: Optional Ext. Reference Adjustable Full-Scale Range Multiplying Option


APPLICATIONS

q MEDICAL INSTRUMENTATION Ultrasound (DBF) q VIDEO, DIGITAL TV q WAVEFORM GENERATION Direct Digital Synthesis (DDS) Arbitrary Waveform Generation (ARB) q TEST INSTRUMENTATION q COMMUNICATIONS


For noncontinuous operation of the DAC908, a power-down mode results in only 45mW of standby power. The DAC908 comes with an integrated 1.24V bandgap reference and edge-triggered input latches, offering a complete converter solution. Both +3V and +5V CMOS logic families can be interfaced to the DAC908. The reference structure of the DAC908 allows for additional flexibility by utilizing the on-chip reference, or applying an external reference. The full-scale output current can be adjusted over a span to 20mA, with one external resistor, while maintaining the specified dynamic performance. The DAC908 is available in the SO-28 and TSSOP-28 packages.


DESCRIPTION

The is a high-speed, Digital-to-Analog Converter (DAC) offering an 8-bit resolution option within the SpeedPlus family of high-performance converters. Featuring pin compatibility among family members, the DAC900, DAC902, and DAC904 provide a component selection option 10-, 12-, and 14-bit resolution, respectively. All models within this family of DACs support update rates in excess of 165MSPS with excellent dynamic performance, and are especially suited to fulfill the demands of a variety of applications. The advanced segmentation architecture of the DAC908 is optimized to provide a high Spurious-Free Dynamic Range (SFDR) for single-tone, as well as for multi-tone signals--essential when used for the transmit signal path of communication systems. The DAC908 has a high impedance (200k) current output with a nominal range of 20mA and an output compliance to 1.25V. The differential outputs allow for both a differential or singleended analog signal interface. The close matching of the current outputs ensures superior dynamic performance in the differential configuration, which can be implemented with a transformer. Utilizing a small geometry CMOS process, the monolithic DAC908 can be operated on a wide, single-supply range to +5.5V. Its low power consumption allows for use in portable and batteryoperated systems. Further optimization can be realized by lowering the output current with the adjustable full-scale option.


INT/EXT Latches +1.24V Ref. 8-Bit Data Input AGND CLK D7...D0 DGND PD

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.


PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.


A to AGND........................................................................ D to DGND........................................................................ to +6V AGND to DGND................................................................. A to +VD............................................................................................................. to +6V CLK, PD to DGND..................................................... D0-D7 to DGND......................................................... + 0.3V IOUT, IOUT to AGND........................................................ + 0.3V BW, BYP to AGND..................................................... + 0.3V REFIN, FSA to AGND................................................. + 0.3V INT/EXT to AGND...................................................... + 0.3V Junction Temperature.................................................................... +150°C Case Temperature......................................................................... +100°C Storage Temperature.................................................................... +125°C


This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.


PACKAGE DRAWING NUMBER 217 SPECIFIED TEMPERATURE RANGE to +85°C PACKAGE MARKING DAC908U ORDERING DAC908E DAC908E/2K5 TRANSPORT MEDIA Rails Tape and Reel Rails Tape and Reel


NOTE: (1) Models with a slash are available only in Tape and Reel in the quantities indicated (e.g., /2K5 indicates 2500 devices per reel). Ordering 2500 pieces of "DAC908E/2K5" will get a single 2500-piece Tape and Reel.


PRODUCT DAC908U DAC908E DEMO BOARD ORDERING NUMBER DEM-DAC90xU DEM-DAC908E COMMENT Populated evaluation board without DAC. Order sample of desired DAC90x model separately. Populated evaluation board including the DAC908E.


TA = full specified temperature range, +VA = +5V, +VD = +5V, differential transformer coupled output, 50y doubly terminated, unless otherwise specified. DAC908U/E PARAMETER RESOLUTION OUTPUT UPDATE RATE Output Update Rate (fCLOCK) Full Specified Temperature Range, Operating STATIC Differential Nonlinearity (DNL) Integral Nonlinearity (INL) DYNAMIC PERFORMANCE Spurious-Free Dynamic Range (SFDR) fOUT = 1.0MHz, fCLOCK = 25MSPS fOUT = 2.1MHz, fCLOCK = 50MSPS fOUT = 5.04MHz, fCLOCK = 50MSPS fOUT = 5.04MHz, fCLOCK = 100MSPS fOUT = 20.2MHz, fCLOCK = 100MSPS fOUT = 25.3MHz, fCLOCK = 125MSPS fOUT = 41.5MHz, fCLOCK = 125MSPS fOUT = 27.4MHz, fCLOCK = 165MSPS fOUT = 54.8MHz, fCLOCK = 165MSPS Spurious-Free Dynamic Range within a Window fOUT = 2.1MHz, fCLOCK = 50MSPS fOUT = 5.04MHz, fCLOCK = 100MSPS Total Harmonic Distortion (THD) fOUT = 2.1MHz, fCLOCK = 50MSPS fOUT = 5.04MHz, fCLOCK = 100MSPS fOUT = 20.2MHz, fCLOCK to 5.5V Ambient, = +25°C fCLOCK = 25MSPS, fOUT +25°C To Nyquist dBc CONDITIONS MIN TYP MAX UNITS Bits MSPS °C LSB


= +25°C, +VA = +5V, differential transformer coupled output, 50 doubly terminated, unless otherwise specified. DAC908U/E PARAMETER DYNAMIC PERFORMANCE (Cont.) Output Settling Time(2) Output Rise Time(2) Output Fall Time(2) Glitch Impulse DC-ACCURACY Full-Scale Output Range(3) (FSR) Output Compliance Range Gain Error Gain Error Gain Drift Offset Error Offset Drift Power-Supply Rejection, +VA Power- Supply Rejection, +VD Output Noise Output Resistance Output Capacitance REFERENCE Reference Voltage Reference Tolerance Reference Voltage Drift Reference Output Current Reference Input Resistance Reference Input Compliance Range Reference Small-Signal Bandwidth(4) DIGITAL INPUTS Logic Coding Latch Command Logic High Voltage, VIH Logic Low Voltage, VIL Logic High Voltage, VIH Logic Low Voltage, VIL Logic High Current, IIH(5) Logic Low Current, IIL Input Capacitance POWER SUPPLY Supply Voltages +VA +VD Supply Current(6) IVA IVA, Power-Down Mode IVD Power Dissipation Power Dissipation, Power-Down Mode Thermal Resistance, SO-28 TSSOP-28 CONDITIONS MIN TYP MAX UNITS


ns pV-s mA V %FSR ppmFSR/°C %FSR ppmFSR/°C %FSR/V pA/ V % ppmFSR/°C M V MHz

All Bits High, IOUT With Internal Reference With External Reference With Internal Reference With Internal Reference With Internal Reference


NOTES: (1) At output IOUT, while driving a virtual ground. (2) Measured single-ended into 50 Load. (3) Nominal full-scale output current is 32x IREF; see Application Section for details. (4) Reference bandwidth depends on size of external capacitor at the BW pin and signal level. (5) Typically 45μA for the PD pin, which has an internal pull-down resistor. (6) Measured at fCLOCK = 50MSPS and f OUT = 1.0MHz.



Search Part number : "DAC90" Included word is 15
Part Number Manufacturer Package Quantity Description
DAC904E Texas Instruments SOP 42244 IC 14-BIT D/A CONV 28-TSSOP
DAC904E/2K5 Texas Instruments 28-TSSOP (0.173", 4.40mm Width) 66378 IC 14-BIT D/A CONV 28-TSSOP
DAC904E/2K5G4 Texas Instruments 28-TSSOP (0.173", 4.40mm Width) 16262 IC 14-BIT D/A CONV 28-TSSOP
DAC904EG4 Texas Instruments 28-TSSOP (0.173", 4.40mm Width) 3444 IC 14-BIT D/A CONV 28-TSSOP
DAC900E Texas Instruments SOP 19718 IC 10-BIT D/A CONV 28-TSSOP
DAC900E/2K5 Texas Instruments 28-TSSOP (0.173", 4.40mm Width) 1098 IC 10-BIT D/A CONV 28-TSSOP
DAC904U Texas Instruments 28-SOIC (0.295", 7.50mm Width) 18207 IC 14B 165MSPS IOUT D/A 28-SOIC
DAC900E/2K5G4 Texas Instruments 28-TSSOP (0.173", 4.40mm Width) 2967 IC 10-BIT D/A CONV 28-TSSOP
DAC904U/1K Texas Instruments 28-SOIC (0.295", 7.50mm Width) 732 IC 14-BIT D/A CONV 28-SOIC
DAC900EG4 Texas Instruments 28-TSSOP (0.173", 4.40mm Width) 771 IC 10-BIT D/A CONV 28-TSSOP
DAC904UG4 Texas Instruments 28-SOIC (0.295", 7.50mm Width) 70 IC 14-BIT D/A CONV 28-SOIC
DAC908E/2K5 Texas Instruments 28-TSSOP (0.173", 4.40mm Width) 13751 IC 8-BIT D/A CONV 28-TSSOP
DAC900U/1K Texas Instruments 28-SOIC (0.295", 7.50mm Width) 3060 IC 10-BIT D/A CONV 28-SOIC
DAC908E/2K5G4 TI/BB 28-TSSOP (0.173", 4.40mm Width) 730 IC 8-BIT D/A CONV 28-TSSOP
DAC902E Texas Instruments TSSOP 5231 IC 12-BIT D/A CONV 28-TSSOP
DAC908E RELATED PRODUCT PICTURE
left
  • DAC904E
  • DAC904E/2K5
  • DAC904E/2K5G4
  • DAC904EG4
  • DAC900E
  • DAC900E/2K5
  • DAC904U
  • DAC900E/2K5G4
  • DAC904U/1K
  • DAC900EG4
  • DAC904UG4
  • DAC908E/2K5
  • DAC900U/1K
  • DAC908E/2K5G4
  • DAC902E
right
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