ICL7126CPL中文资料

1®FN3084.5CAUTION:Thesedevicesaresensitivetoelectrostaticdischarge;followproperICHandlingProcedures.1-888-INTERSILor321-724-7143|Intersil(anddesign)isaregisteredtrademarkofIntersilAmericasInc.Copyright©IntersilAmericasInc.2003,2004.AllRightsReservedAllothertrademarksmentionedarethepropertyoftheirrespectiveowners.ICL712631/2Digit,LowPower,SingleChipA/DConverterTheICL7126isahighperformance,verylowpower31/2-digit,A/Dconverter.AllthenecessaryactivedevicesarecontainedonasingleCMOSIC,includingsevensegmentdecoders,displaydrivers,reference,andclock.TheICL7126isdesignedtointerfacewithaliquidcrystaldisplay(LCD)andincludesabackplanedrive.Thesupplycurrentof100µAisideallysuitedfor9Vbatteryoperation.TheICL7126bringstogetheranunprecedentedcombinationofhighaccuracy,versatility,andtrueeconomy.Itfeaturesauto-zerotolessthan10µV,zerodriftoflessthan1µV/oC,inputbiascurrentof10pAmaximum,androllovererroroflessthanonecount.Theversatilityoftruedifferentialinputandreferenceisusefulinallsystems,butgivesthedesigneranuncommonadvantagewhenmeasuringloadcells,straingaugesandotherbridge-typetransducers.Andfinallythetrueeconomyofsinglepoweroperationallowsahighperformancepanelmeterormulti-metertobebuiltwiththeadditionofonly10passivecomponentsandadisplay.TheICL7126canbeusedasaplug-inreplacementfortheICL7106inawidevarietyofapplications,changingonlythepassivecomponents.Features•8,000HoursTypical9VBatteryLifeGuaranteedZeroReadingfor0VInputonAllScalesTruePolarityatZeroforPreciseNullDetection1pATypicalInputCurrentTrueDifferentialInputandReferenceDirectLCDDisplayDrive-NoExternalComponentsRequiredPinCompatibleWiththeICL7106LowNoise-LessThan15µVP-POn-ChipClockandReferenceLowPowerDissipationGuaranteedLessThan1mWNoAdditionalActiveCircuitsRequiredPb-FreeAvailable(RoHSCompliant)PinoutICL7126(PDIP)TOPVIEWOrderingInformationPARTNUMBERTEMP.RANGE(°C)PACKAGEPKG.DWG.#ICL7126CPL0to7040LdPDIPE40.6ICL7126CPLZ(Note1)0to7040LdPDIP(Pb-free)(Note2)E40.6NOTES:1.IntersilPb-freeproductsemployspecialPb-freematerialsets;moldingcompounds/dieattachmaterialsand100%mattetinplateterminationfinish,whichareRoHScompliantandcompatiblewithbothSnPbandPb-freesolderingoperations.IntersilPb-freeproductsareMSLclassifiedatPb-freepeakreflowtemperaturesthatmeetorexceedthePb-freerequirementsofIPC/JEDECJSTD-020C.2.Pb-freePDIPscanbeusedforthroughholewavesolderprocessingonly.TheyarenotintendedforuseinReflowsolderprocessingapplications.1312345678910111214151617181920V+D1C1B1A1F1G1E1D2C2B2A2F2E2D3B3F3E3(1000)AB4POL2840393837363534333231302927262524232221OSC1OSC2OSC3TESTREFHIREFLOCREF+CREF-COMMONINHIINLOA-ZBUFFINTV-G2(10s)C3A3G3BP/GND(1s)(10s)(100s)(MINUS)(100s)DataSheetOctober25,20042FN3084.5ICL7126AbsoluteMaximumRatingsThermalInformationSupplyVoltageV+toV-................................15VAnalogInputVoltage(EitherInput)(Note1).............V+toV-ReferenceInputVoltage(EitherInput).................V+toV-ClockInput....................................TESTtoV+OperatingConditionsTemperatureRange............................0oCto70oCThermalResistance(Typical,Note2)θJA(oC/W)PDIPPackage..............................50MaximumJunctionTemperature......................150oCMaximumStorageTemperatureRange..........-65oCto150oCMaximumLeadTemperature(Soldering10s)............300oCNOTE:Pb-freePDIPscanbeusedforthroughholewavesolderprocessingonly.TheyarenotintendedforuseinReflowsolderprocessingapplications.CAUTION:Stressesabovethoselistedin“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Thisisastressonlyratingandoperationofthedeviceattheseoranyotherconditionsabovethoseindicatedintheoperationalsectionsofthisspecificationisnotimplied.NOTES:1.Inputvoltagesmayexceedthesupplyvoltagesprovidedtheinputcurrentislimitedto±100µA.2.θJAismeasuredwiththecomponentmountedonanevaluationPCboardinfreeair.ElectricalSpecificationsTA=25oC,VREF=100mV,fCLOCK=48kHz(Notes1,3)PARAMETERTESTCONDITIONSMINTYPMAXUNITSSYSTEMPERFORMANCEZeroInputReadingVIN=0.0V,FullScale=200mV-000.0±000.0+000.0DigitalReadingRatiometricReadingVlN=VREF,VREF=100mV999999/10001000DigitalReadingRolloverError-VIN=+VlN≅200mVDifferenceinReadingforEqualPositiveandNegativeInputsNearFullScale-±0.2±1CountsLinearityFullScale=200mVorFullScale=2VMaximumDeviationfromBestStraightLineFit(Note5)-±0.2±1CountsCommonModeRejectionRatioVCM=±1V,VIN=0V,FullScale=200mV(Note5)-50-µV/VNoiseVIN=0V,FullScale=200mV(Peak-To-PeakValueNotExceeded95%ofTime)(Note5)-15-µVLeakageCurrentInputVlN=0V(Note5)-110pAZeroReadingDriftVlN=0V,0oCTo70oC(Note5)-0.21µV/oCScaleFactorTemperatureCoefficientVIN=199mV,0oCTo70oC,(Ext.Ref.0ppm/×oC)(Note5)-15ppm/oCV+SupplyCurrentVIN=0V(DoesNotIncludeCOMMONCurrent)-70100µACOMMONPinAnalogCommonVoltage25kΩBetweenCommonandPositiveSupply(WithRespectto+Supply)2.43.03.2VTemperatureCoefficientofAnalogCommon25kΩBetweenCommonandPositiveSupply(WithRespectto+Supply)(Note5)-80-ppm/oCPeak-To-PeakSegmentDriveVoltagePeak-To-PeakBackplaneDriveVoltageV+=toV-=9V(Note4)45.56VPowerDissipationCapacitancevsClockFrequency-40-pFNOTES:3.Unlessotherwisenoted,specificationsaretestedu