DAC0832数据手册(英文)

DAC0830/DAC08328-BitμPCompatible,Double-BufferedDtoAConvertersGeneralDescriptionTheDAC0830isanadvancedCMOS/Si-Cr8-bitmultiplyingDACdesignedtointerfacedirectlywiththe8080,8048,8085,Z80®,andotherpopularmicroprocessors.Adepositedsilicon-chromiumR-2Rresistorladdernetworkdividesthereferencecurrentandprovidesthecircuitwithexcellenttem-peraturetrackingcharacteristics(0.05%ofFullScaleRangemaximumlinearityerrorovertemperature).ThecircuitusesCMOScurrentswitchesandcontrollogictoachievelowpowerconsumptionandlowoutputleakagecurrenterrors.SpecialcircuitryprovidesTTLlogicinputvoltagelevelcom-patibility.DoublebufferingallowstheseDACstooutputavoltagecor-respondingtoonedigitalwordwhileholdingthenextdigitalword.ThispermitsthesimultaneousupdatingofanynumberofDACs.TheDAC0830seriesarethe8-bitmembersofafamilyofmicroprocessor-compatibleDACs(MICRO-DAC™).FeaturesnDouble-buffered,single-bufferedorflow-throughdigitaldatainputsnEasyinterchangeandpin-compatiblewith12-bitDAC1230seriesnDirectinterfacetoallpopularmicroprocessorsnLinearityspecifiedwithzeroandfullscaleadjustonly—NOTBESTSTRAIGHTLINEFIT.nWorkswith±10Vreference-full4-quadrantmultiplicationnCanbeusedinthevoltageswitchingmodenLogicinputswhichmeetTTLvoltagelevelspecs(1.4Vlogicthreshold)nOperates“STANDALONE”(withoutμP)ifdesirednAvailablein20-pinsmall-outlineormoldedchipcarrierpackageKeySpecificationsnCurrentsettlingtime:1μsnResolution:8bitsnLinearity:8,9,or10bits(guaranteedovertemp.)nGainTempco:0.0002%FS/˚CnLowpowerdissipation:20mWnSinglepowersupply:5to15VDCTypicalApplicationBI-FET™andMICRO-DAC™aretrademarksofNationalSemiconductorCorporation.Z80®isaregisteredtrademarkofZilogCorporation.DS005608-1May1999DAC0830/DAC08328-BitμPCompatible,Double-BufferedDtoAConverters©1999NationalSemiconductorCorporationDS005608(TopViews)Dual-In-LineandSmall-OutlinePackagesDS005608-21MoldedChipCarrierPackageDS005608-22(Notes1,2)IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheNationalSemiconductorSalesOffice/Distributorsforavailabilityandspecifications.SupplyVoltage(VCC)17VDCVoltageatAnyDigitalInputVCCtoGNDVoltageatVREFInput±25VStorageTemperatureRange−65˚Cto+150˚CPackageDissipationatTA=25˚C(Note3)500mWDCVoltageAppliedtoIOUT1orIOUT2(Note4)−100mVtoVCCESDSusceptability(Note4)800VLeadTemperature(Soldering,10sec.)Dual-In-LinePackage(plastic)260˚CDual-In-LinePackage(ceramic)300˚CSurfaceMountPackageVaporPhase(60sec.)215˚CInfrared(15sec.)220˚COperatingConditionsTemperatureRangeTMIN≤TA≤TMAXPartnumberswith“LCN”suffix0˚Cto+70˚CPartnumberswith“LCWM”suffix0˚Cto+70˚CPartnumberswith“LCV”suffix0˚Cto+70˚CPartnumberswith“LCJ”suffix−40˚Cto+85˚CPartnumberswith“LJ”suffix−55˚Cto+125˚CVoltageatAnyDigitalInputVCCtoGNDElectricalCharacteristicsVREF=10.000VDCunlessotherwisenoted.Boldfacelimitsapplyovertemperature,TMIN≤TA≤TMAX.ForallotherlimitsTA=25˚C.ParameterConditionsSeeNoteVCC=4.75VDCVCC=15.75VDCVCC=5VDC±5%VCC=12VDC±5%to15VDC±5%LimitUnitsTyp(Note12)TestedLimit(Note5)DesignLimit(Note6)CONVERTERCHARACTERISTICSResolution888bitsLinearityErrorMaxZeroandfullscaleadjusted4,8−10V≤VREF≤+10VDAC0830LJ&LCJ0.050.05%FSRDAC0832LJ&LCJ0.20.2%FSRDAC0830LCN,LCWM&LCV0.050.05%FSRDAC0831LCN0.10.1%FSRDAC0832LCN,LCWM&LCV0.20.2%FSRDifferentialNonlinearityZeroandfullscaleadjusted4,8Max−10V≤VREF≤+10VDAC0830LJ&LCJ0.10.1%FSRDAC0832LJ&LCJ0.40.4%FSRDAC0830LCN,LCWM&LCV0.10.1%FSRDAC0831LCN0.20.2%FSRDAC0832LCN,LCWM&LCV0.40.4%FSRMonotonicity−10V≤VREFLJ&LCJ488bits≤+10VLCN,LCWM&LCV88bitsGainErrorMaxUsingInternalRfb7±0.2±1±1%FS−10V≤VREF≤+10VGainErrorTempcoMaxUsinginternalRfb0.00020.0006%FS/˚CPowerSupplyRejectionAlldigitalinputslatchedhighVCC=14.5Vto15.5V0.00020.0025%11.5Vto12.5V0.0006FSR/V4.5Vto5.5V0.0130.015ReferenceMax152020kΩInputMin151010kΩOutputFeedthroughErrorVREF=20Vp-p,f=100kHzAlldatainputslatchedlow3mVp-p(Continued)VREF=10.000VDCunlessotherwisenoted.Boldfacelimitsapplyovertemperature,TMIN≤TA≤TMAX.ForallotherlimitsTA=25˚C.ParameterConditionsSeeNoteVCC=4.75VDCVCC=15.75VDCVCC=5VDC±5%VCC=12VDC±5%to15VDC±5%LimitUnitsTyp(Note12)TestedLimit(Note5)DesignLimit(Note6)CONVERTERCHARACTERISTICSOutputLeakageCurrentMaxIOUT1AlldatainputsLJ&LCJ10100100nAlatchedlowLCN,LCWM&LCV50100IOUT2AlldatainputsLJ&LCJ100100nAlatchedhighLCN,LCWM&LCV50100OutputIOUT1Alldatainputs45pFCapacitanceIOUT2latchedlow115IOUT1Alldatainputs130pFIOUT2latchedhigh30DIGITALANDDCCHARACTERISTICSDigitalInputMaxLogicLowLJ:4.75V0.6VoltagesLJ:15.75V0.8LCJ:4.75V0.7VDCLCJ:15.75V0.8LCN,LCWM,LCV0.950.8MinLogicHighLJ&LCJ2.02.0VDCLCN,LCWM,LCV1.92.0DigitalInputMaxDigitalinputs0.8VCurrentsLJ&LCJ−50−200−200μALCN,LCWM,LCV−160−200μADigitalinputs2.0VLJ&LCJ0.1+10+10μALCN,LCWM,LCV+8+10SupplyCurrentMaxLJ&LCJ1.23.53.5mADrainLCN,LCWM,LCV1.72.0ElectricalCharacteristicsVREF=10.000VDCunlessotherwisenoted.Boldfacelimitsapplyovertemperature,TMIN≤TA≤TMAX.ForallotherlimitsTA=25˚C.SymbolParameterConditionsSeeNoteVCC=15.75VDCVCC=12VDC±5%to15VDC±5%VCC=4.75VDCVCC=5VDC±5%LimitUnitsTyp(Note12)TestedLimit(Not