AD8603资料下载.pdf

AD8603资料下载.pdf

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PrecisionMicropowerLowNoiseCMOSRail-to-RailInput/OutputOperationalAmplifiersAD8603/AD8607/AD8609FEATURESLowoffsetvoltage:

@#@50VmaxLowinputbiascurrent:

@#@1pAmaxSingle-supplyoperation:

@#@1.8Vto5VLownoise:

@#@22nV/HzMicropower:

@#@50AmaxLowdistortionNophasereversalUnitygainstableAPPLICATIONSBattery-poweredinstrumentationMultipolefiltersSensorsLowpowerASICinputoroutputamplifiersGENERALDESCRIPTIONTheAD8603/AD8607/AD8609are,single/dual/quadmicro-powerrail-to-railinputandoutputamplifiers,respectively,thatfeaturesverylowoffsetvoltageaswellaslowinputvoltageandcurrentnoise.Theseamplifiersuseapatentedtrimmingtechniquethatachievessuperiorprecisionwithoutlasertrimming.Thepartsarefullyspecifiedtooperatefrom1.8Vto5.0Vsinglesupplyorfrom0.9Vto2.5Vdualsupply.Thecombinationoflowoffsets,lownoise,verylowinputbiascurrents,andlowpowerconsumptionmaketheAD8603/AD8607/AD8609especiallyusefulinportableandloop-poweredinstrumentation.TheabilitytoswingrailtorailatboththeinputandoutputenablesdesignerstobufferCMOSADCs,DACs,ASICs,andotherwideoutputswingdevicesinlowpowersingle-supplysystems.TheAD8603isavailableinatiny5-leadTSOT-23package.TheAD8607isavailablein8-leadMSOPandSOICpackages.TheAD8609isavailablein14-leadTSSOPandSOICpackages.PINCONFIGURATIONSAD8603TOPVIEW（NottoScale）OUT1V2+IN3V+IN5404356-0-001Figure1.5-LeadTSOT-23（UJSuffix）INA+INAVOUTBINB+INBV+1458AD8607OUTA04356-0-045Figure2.8-LeadMSOP（RMSuffix）12348765AD8607INAV+INAOUTBINBV+INBOUTA04356-0-047Figure3.8-LeadSOIC（RSuffix）OUTAINA+INAV+INBINBOUTBIND+INDVOUTDINCOUTC+INC14817AD860904356-0-044Figure4.14-LeadTSSOP（RUSuffix）INA+INAV+INBINBOUTBOUTDIND+INDV+INCINCOUTCOUTAAD8609123456714131211109804356-0-046Figure5.14-LeadSOIC（RSuffix）InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,noresponsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices.Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.OneTechnologyWay,P.O.Box9106,Norwood,MA02062-9106,U.S.A.Tel:

@#@781.329.4700Fax:

@#@781.326.87032003AnalogDevices,Inc.Allrightsreserved.Rev.AAD8603/AD8607/AD8609TABLEOFCONTENTSSpecifications.3AbsoluteMaximumRatings.5TypicalPerformanceCharacteristics.6Applications.12NoPhaseReversal.12InputOvervoltageProtection.12DrivingCapacitiveLoads.12ProximitySensors.13CompositeAmplifiers.13Battery-PoweredApplications.14Photodiodes.14OutlineDimensions.15OrderingGuide.16REVISIONHISTORY10/03DataSheetChangedfromRev.0toRev.AChangePageAddedAD8607andAD8609parts.UniversalChangestoSpecifications.3ChangestoFigure35.10AddedFigure41.11Rev.A|Page2of16AD8603/AD8607/AD8609SPECIFICATIONSTable1.ElectricalCharacteristicsVS=5V,VCM=VS/2,TA=25C,unlessotherwisenotedParameterSymbolConditionsMinTypMaxUnitINPUTCHARACTERISTICSOffsetVoltageVOSVS=3.3VVCM=0.5Vand2.8V1250V0.3VVCM+5.2V40300V40CTA+125C,0.3VVCM+5.2V700VOffsetVoltageDriftVOS/T40CTA+125C14.5V/CInputBiasCurrentIB0.21pA40CTA+85C50pA40CTA+125C500pAInputOffsetCurrentIOS0.10.5pA40CTA+85C50pA40CTA+125C250pAInputVoltageRangeIVR0.3+5.2VCommon-ModeRejectionRatioCMRR0VVCM5V85100dB40CTA+125C80dBLargeSignalVoltageGainAVORL=10k,0.5VVO4.5VAD86034001000V/mVAD8607/AD8609250450V/mVInputCapacitanceCDIFF1.9pFCCM2.5pFOUTPUTCHARACTERISTICSOutputVoltageHighVOHIL=1mA4.954.97V40Cto+125C4.9VIL=10mA4.654.97V40Cto+125C4.50VOutputVoltageLowVOLIL=1mA1630mV40Cto+125C50mVIL=10mA160250mV40Cto+125C330mVOutputCurrentIOUT80mAClosed-LoopOutputImpedanceZOUTf=10kHz,AV=136POWERSUPPLYPowerSupplyRejectionRatioPSRR1.8VVS5V80100dBSupplyCurrent/AmplifierISYVO=0V4050A40CTA+125C60ADYNAMICPERFORMANCESlewRateSRRL=10k0.1V/sSettlingTime0.1%tSG=1,2VStep23sGainBandwidthProductGBPRL=100k400kHzRL=10k316kHzPhaseMarginORL=10k,RL=100k70DegreesNOISEPERFORMANCEPeak-to-PeakNoiseenp-p0.1Hzto10Hz2.33.5VVoltageNoiseDensityenf=1kHz25nV/Hzf=10kHz22nV/HzCurrentNoiseDensityinf=1kHz0.05pA/HzChannelSeparationCsf=10kHz115dBf=100kHz110dBRev.A|Page3of16AD8603/AD8607/AD8609Table2.ElectricalCharacteristicsVS=1.8V,VCM=VS/2,TA=25C,unlessotherwisenotedParameterSymbolConditionsMinTypMaxUnitINPUTCHARACTERISTICSOffsetVoltageVOSVS=3.3VVCM=0.5Vand2.8V1250V0.3VVCM+1.8V40300V40CTA+85C,0.3VVCM+1.8V500V40CTA