DAC08 Data Sheet

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DAC08+V REF0VR INTYPICAL VALUES:R IN = 5k+V IN = 10VR EQ200R PR REF14OPTIONAL RESISTORFOR OFFSET INPUTS15 16NO CAP42R LR L0mAI OUT1.0mA2.0mA(0000|0000) I REF = 2mAI OUT(1111|1111)Figure 1. Pulsed Reference OperationFigure 4. True and Complementary Output OperationC2+18VR1 = 9kC1 = 0.001FC2, C3 = 0.01FC1R15mV2V16 15 14 13 12 11 10 9DAC081 2 3 4 5 6 7 82.4V0.4V0V8A0C3–18V MIN100mV50ns/DIVISION50nsFigure 2. Burn-in CircuitFigure 5. LSB SwitchingALL BITS SWITCHED ON2.5V1V2.4VLOGIC INPUT1V0.4V0.5V–0.5mAOUTPUT –1/2LSBSETTLING 0V+1/2LSBI OUT–2.5mA100mV200ns10mV50nsR EQ 200R L = 100C C = 0200ns/DIVISIONSETTLING TIME FIXTUREI FS = 2mA, R L = 1k1/2LSB = 4A50ns/DIVISIONFigure 3. Fast Pulsed Reference OperationFigure 6. Full-Scale Settling Time–6–REV. B
Typical Performance Characteristics–DAC08I FS , OUTPUT CURRENT – mA5.04.03.02.01.00.00.0T A = T MIN TO T MAXALL BITS “HIGH”LIMIT FORV– = –5VLIMIT FORV– = –15V1.0 2.0 3.0 4.0 5.0I REF , REFERENCE CURRENT – mAPROPAGATION DELAY – ns50040030020010001LSB = 7.8A1LSB = 61nA0.05 0.02 0.1 0.5 2.0 100.01 0.05 0.2 1.0 5.0I FS , OUTPUT FULL SCALE CURRENT – mARELATIVE OUTPUT – dB10R14 = R15 = 1k8 R L 5006ALL BITS “ON”V R15 = 0V4202–2–41–6 1. C C = 15pF, V IN = 2.0V p–p–8 CENTERED AT +1.0VLARGE SIGNAL–10 2. C C = 15pF, V IN = 50mV p–p–12 CENTERED AT +200mV–14SMALL SIGNAL0.1 0.2 0.5 1.0 2.0 5.0 10FREQUENCY – MHzTPC 1. Full-Scale Current vs.Reference CurrentTPC 2. LSB Propagation Delay vs. I FSTPC 3. Reference Input FrequencyResponse4.03.6T A = T MIN TO T MAXALL BITS ON10.02.0OUTPUT CURRENT – mA3.22.82.42.01.61.20.8NOTE: POSITIVE COMMON-MODERANGE IS ALWAYS (V+) –1.5VV– = –15V V– = –5V V+ = +15VI REF = 2mAI REF = 1mALOGIC INPUT – A8.06.04.02.0V TH – V LC – V1.61.20.80.40.4I REF = 0.2mA0.0–14 –10 –6 –2 2 6 10 14 18V 15 , REFERENCE COMMON-MODE VOLTAGE – V0–12.0 –8.0 –4.0 0 4.0 8.0 12.0 16.0LOGIC INPUT VOLTAGE – V0–500 50 100 150TEMPERATURE – CTPC 4. Reference Amp Common-Mode RangeTPC 5. Logic Input Current vs. InputVoltageTPC 6. V TH – V LC vs. Temperature4.03.6T A = T MIN TO T MAXALL BITS ON28241.81.6OUTPUT CURRENT – mA3.22.82.4V– = –15V V– = –5V I REF = 2mA2.01.61.2I REF = 1mA0.80.4I REF = 0.2mA0.0–14 –10 –6 –2 2 6 10 14OUTPUT VOLTAGE – V18OUTPUT VOLTAGE – V2016128404812SHADED AREA INDICATESPERMISSIBLE OUTPUT VOLTAGERANGE FOR V– = –15V. I REF 2.0mA.FOR OTHER V– OR I REF .SEE OUTPUT CURRENT VS. OUTPUTVOLTAGE CURVE.–50 0 50 100 150TEMPERATURE – COUTPUT CURRENT – mA1.41.21.00.80.6I REF = 2.0mA0.4V– = –5V0.2V– = –15VB4B1B2B30–12 –8 –4 0 4 8 12 16LOGIC INPUT VOLTAGE – VB5NOTE: B1 THROUGH B8 HAVE IDENTICALTRANSFER CHARACTERISTICS. BITS ARE FULLYSWITCHED WITH LESS THAN 1/2 LSB ERROR, ATLESS THAN 100mV FROM ACTUAL THRESHOLD.THESE SWITCHING POINTS ARE GUARANTEEDTO LIE BETWEEN 0.8V AND 2.0V OVER THEOPERATING TEMPERATURE RANGE (VLC = 0.0V).TPC 7. Output Current vs. OutputVoltage (Output Voltage Compliance)TPC 8. Output Voltage Compliancevs. TemperatureTPC 9. Bit Transfer CharacteristicsREV. B –7–
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DAC08 Data Sheet

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