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首页 ADE7878英文手册.pdf

ADE7878英文手册.pdf

ADE7878英文手册.pdf

上传者: hy_lnu 2012-03-10 评分 0 0 0 0 0 0 暂无简介 简介 举报

简介:本文档为《ADE7878英文手册pdf》,可适用于IT/计算机领域,主题内容包含PolyphaseMultifunctionEnergyMeteringICADEADEADEADERevEInformationfurnished符等。

PolyphaseMultifunctionEnergyMeteringICADEADEADEADERevEInformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliableHowever,noresponsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuseSpecificationssubjecttochangewithoutnoticeNolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevicesTrademarksandregisteredtrademarksarethepropertyoftheirrespectiveownersOneTechnologyWay,POBox,Norwood,MA,USATel:wwwanalogcomFax:–AnalogDevices,IncAllrightsreservedFEATURESHighlyaccuratesupportsEN,EN,IEC,IEC,andIECstandardsCompatiblewithphase,orwire(deltaorwye),andotherphaseservicesSuppliestotal(fundamentalandharmonic)active,reactive(ADE,ADE,andADEonly),andapparentenergy,andfundamentalactivereactiveenergy(ADEonly)oneachphaseandontheoverallsystemLessthanerrorinactiveandreactiveenergyoveradynamicrangeoftoatTA=CLessthanerrorinactiveandreactiveenergyoveradynamicrangeoftoatTA=CSupportscurrenttransformeranddidtcurrentsensorsDedicatedADCchannelforneutralcurrentinput(ADEandADEonly)LessthanerrorinvoltageandcurrentrmsoveradynamicrangeoftoatTA=CSuppliessampledwaveformdataonallthreephasesandonneutralcurrentSelectablenoloadthresholdlevelsfortotalandfundamentalactiveandreactivepowers,aswellasforapparentpowersLowpowerbatterymodemonitorsphasecurrentsforantitamperingdetection(ADEandADEonly)BatterysupplyinputformissingneutraloperationPhaseanglemeasurementsinbothcurrentandvoltagechannelswithatypicalerrorWidesupplyvoltageoperation:VtoVReference:V(driftppmCtypical)withexternaloverdrivecapabilitySingleVsupplyleadleadframechipscalepackage(LFCSP),PbfreeOperatingtemperature:CtoCFlexibleIC,SPI,andHSDCserialinterfacesAPPLICATIONSEnergymeteringsystemsGENERALDESCRIPTIONTheADEADEADEADEarehighaccuracy,phaseelectricalenergymeasurementICswithserialinterfacesandthreeflexiblepulseoutputsTheADExxdevicesincorporatesecondordersigmadelta(ΣΔ)analogtodigitalconverters(ADCs),adigitalintegrator,referencecircuitry,andallofthesignalprocessingrequiredtoperformtotal(fundamentalandharmonic)active,reactive(ADE,ADE,andADE),andapparentenergymeasurementandrmscalculations,aswellasfundamentalonlyactiveandreactiveenergymeasurement(ADE)andrmscalculationsAfixedfunctiondigitalsignalprocessor(DSP)executesthissignalprocessingTheDSPprogramisstoredintheinternalROMmemoryTheADEADEADEADEaresuitableformeasuringactive,reactive,andapparentenergyinvariousphaseconfigurations,suchaswyeordeltaservices,withboththreeandfourwiresTheADExxdevicesprovidesystemcalibrationfeaturesforeachphase,thatis,rmsoffsetcorrection,phasecalibration,andgaincalibrationTheCF,CF,andCFlogicoutputsprovideawidechoiceofpowerinformation:totalactive,reactive,andapparentpowers,orthesumofthecurrentrmsvalues,andfundamentalactiveandreactivepowersTheADEADEADEADEcontainwaveformsampleregistersthatallowaccesstoallADCoutputsThedevicesalsoincorporatepowerqualitymeasurements,suchasshortdurationloworhighvoltagedetections,shortdurationhighcurrentvariations,linevoltageperiodmeasurement,andanglesbetweenphasevoltagesandcurrentsTwoserialinterfaces,SPIandIC,canbeusedtocommunicatewiththeADExxAdedicatedhighspeedinterface,thehighspeeddatacapture(HSDC)port,canbeusedinconjunctionwithICtoprovideaccesstotheADCoutputsandrealtimepowerinformationTheADEADEADEADEalsohavetwointerruptrequestpins,IRQandIRQ,toindicatethatanenabledinterrupteventhasoccurredFortheADEADE,threespeciallydesignedlowpowermodesensurethecontinuityofenergyaccumulationwhentheADEADEisinatamperingsituationSeeforaquickreferencechartlistingeachpartanditsfunctionsTheADExxareavailableintheleadLFCSP,PbfreepackageTableTablePartComparisonPartNoWATTVARIRMS,VRMS,andVAdidtFundamentalWATTandVARTamperDetectandLowPowerModesADEYesYesYesYesYesYesADEYesYesYesYesNoYesADEYesYesYesYesNoNoADEYesNoYesYesNoNoADEADEADEADERevE|PageofTABLEOFCONTENTSFeatures Applications GeneralDescription RevisionHistory FunctionalBlockDiagrams Specifications TimingCharacteristics AbsoluteMaximumRatings ThermalResistance ESDCaution PinConfigurationandFunctionDescriptions TypicalPerformanceCharacteristics TestCircuit Terminology PowerManagement PSMNormalPowerMode(AllParts) PSMReducedPowerMode(ADE,ADEOnly) PSMLowPowerMode(ADE,ADEOnly) PSMSleepMode(AllParts) PowerUpProcedure HardwareReset SoftwareResetFunctionality TheoryofOperation AnalogInputs AnalogtoDigitalConversion CurrentChannelADC didtCurrentSensorandDigitalIntegrator VoltageChannelADC ChangingPhaseVoltageDatapath PowerQualityMeasurements PhaseCompensation ReferenceCircuit DigitalSignalProcessor RootMeanSquareMeasurement ActivePowerCalculation ReactivePowerCalculationADE,ADE,ADEOnly ApparentPowerCalculation WaveformSamplingMode EnergytoFrequencyConversion NoLoadCondition ChecksumRegister Interrupts SerialInterfaces ADEEvaluationBoard DieVersion SiliconAnomaly ADEADEADEADEFunctionalityIssues FunctionalityIssues SectionADEADEADEADEFunctionalityIssues RegistersList OutlineDimensions OrderingGuide ADEADEADEADERevE|PageofREVISIONHISTORYRevDtoRevEChangestoInputClockFrequencyParameter,TableChangestoCurrentRMSOffsetCompensationSectionChangestoVoltageRMSOffsetCompensationSectionChangestoNote,TableChangestoAddressxE,TableChangestoTableChangestoTableChangestoBitLocation:,DefaultValue,TableRevCtoRevDChangestoFigureChangestoFigureChangestoFigureChangestoFigureChangestoTableChangedSCLKEdgetoHSCLKEdge,TableChangetoCurrentChannelHPFSectionChangetodidtCurrentSensorandDigitalIntegratorSectionChangestoDigitalSignalProcessorSectionChangestoFigureChangestoFigureChangestoFigureChangestoFigureChangestoLineCycleReactiveEnergyAccumulationModeSectionandtoFigureNoLoadDetectionBasedOnTotalActive,ReactivePowersSectionChangetoEquationChangestotheHSDCInterfaceSectionChangestoFigureandFigureChangestoFigureChangestoTableRevBtoRevCChangetoSignaltoNoiseandDistortionRatio,SINADParameter,TableChangestoFigureChangestoFigureChangestoSiliconAnomalySectionAddedTabletoSiliconAnomalySection,RenumberedTablesSequentiallyRevAtoRevBChangestoFigureChangestoFigureChangestoFigureChangestoFigureChangetoTableChangestoPowerUpProcedureSectionChangestoEquationandEquationChangestoEquationChangestoActivePowerOffsetCalibrationSectionChangestoFigureChangestoReactivePowerOffsetCalibrationSectionChangestoFigureAddedSiliconAnomalySection,RenumberedTablesSequentiallyRevtoRevAAddedADE,ADE,andADEUniversalReorganizedLayoutUniversalAddedTable,RenumberedSequentiallyAddedFigure,RenumberedSequentiallyAddedFigureAddedFigureChangestoSpecificationsSectionChangestoFigureChangestoTableChangestoTypicalPerformanceCharacteristicsSectionChangestoFigureChangestothePowerManagementSectionChangestotheTheoryofOperationSectionChangestoFigureandFigureChangetoEquationChangestoFigureChangestoFigureChangestotheRegistersListSectionChangestoOrderingGuideRevision:InitialVersionADEADEADEADERevE|PageofFUNCTIONALBLOCKDIAGRAMSPGAPGAPGAPGAPGAPGAVREFDIGITALSIGNALPROCESSORAVGAINAPHCALHPFDIS:HPFAIGAINHPFDIS:DIGITALINTEGRATORHPFPORLDOLDOXAIRMSLPFAIRMSOSXAVRMSLPFLPFAVRMSOSAVAGAINAWGAINDFCCFxDEN:DFCCFxDEN:DFCCFxDEN:SPIICICRESETREFINOUTVDDAGNDAVDDDVDDDGNDCLKINCLKOUTIAPIANVAPIBPIBNVBPICPICNVCPVNPMPMCFCFCFHSCLKIRQIRQSCLKSCLMOSISDAMISOHSDSSHSAHSDCADEADCADCADCADCADCADCTOTALACTIVEAPPARENTENERGIESANDVOLTAGECURRENTRMSCALCULATIONFORPHASEC(SEEPHASEAFORDETAILEDDATAPATH)TOTALACTIVEAPPARENTENERGIESANDVOLTAGECURRENTRMSCALCULATIONFORPHASEB(SEEPHASEAFORDETAILEDDATAPATH)PHASEA,PHASEB,ANDPHASECDATAAWATTOSFigureADEFunctionalBlockDiagramADEADEADEADERevE|PageofPGAPGAPGAPGAPGAPGAVREFDIGITALSIGNALPROCESSORCOMPUTATIONALBLOCKFORTOTALREACTIVEPOWERAVGAINAPHCALHPFDIS:HPFAIGAINHPFDIS:DIGITALINTEGRATORHPFPORLDOLDOXAIRMSLPFAIRMSOSXAVRMSLPFLPFAVRMSOSAVAGAINAVARGAINAVAROSDFCCFDEN:DFCCFDEN:DFCCFDEN:SPIICICRESETREFINOUTVDDAGNDAVDDDVDDDGNDCLKINCLKOUTIAPIANVAPIBPIBNVBPICPICNVCPVNPMPMCFCFCFHSCLKIRQIRQSCLKSCLMOSISDAMISOHSDSSHSAHSDCADEADCADCADCADCADCADCTOTALACTIVEREACTIVEAPPARENTENERGIESANDVOLTAGECURRENTRMSCALCULATIONFORPHASEB(SEEPHASEAFORDETAILEDDATAPATH)TOTALACTIVEREACTIVEAPPARENTENERGIESANDVOLTAGECURRENTRMSCALCULATIONFORPHASEC(SEEPHASEAFORDETAILEDDATAPATH)PHASEA,PHASEB,ANDPHASECDATAAWGAINAWATTOSFigureADEFunctionalBlockDiagramADEADEADEADERevE|PageofPGAPGAPGAPGAPGAPGAVREFTOTALACTIVEREACTIVEAPPARENTENERGIESANDVOLTAGECURRENTRMSCALCULATIONFORPHASEB(SEEPHASEAFORDETAILEDDATAPATH)TOTALA

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