深圳市东康讯达专注***AGO全线品牌，长期稳定供应，保证全新进口原装，价格优势。HCPL-7840-000E,HCPL-316J-500E，HCPL-788J-500E，HCPL-4504-500E，HCPL-2631-500E,HCPL-M453。DescriptionTheHCPL-7840isolationamplifierfamilywasdesignedforcurrentsensinginelectronicmotordriveandautomotiveapplicati***.Inatypicalimplementation,motorcurrentsflowthroughanexternalresistorandtheresultinganalogvoltagedropissensedbytheHCPL-7840.AdifferentialoutputvoltageiscreatedontheothersideoftheHCPL-7840opticalisolationbarrier.Thisdifferentialoutputvoltageisproportionaltothemotorcurrentandcanbeconvertedtoasingle-endedsignalbyusinganop-amp.Sincecommon-modevoltageswingsofseveralhundredvoltsintensofnanosecondsarecommoninmodernswitchinginvertermotordrives,theHCPL-7840wasdesignedtoignoreveryhighcommon-modetransientslewrates(ofatleast10kV/ms).ThehighCMRcapabilityoftheHCPL-7840isolationamplifierprovidestheprecisionandstabilityneededtoaccuratelymonitormotorcurrentinhighnoisemotorcontrolenvironments,providingfor***oothercontrol(less"torqueripple")invarioustypesofmotorcontrolapplicati***.Theproductcanalsobeusedforgeneralanalogsignalisolationapplicati***requiringhighaccuracy,stability,andlinearityundersimilarlyseverenoiseconditi***.Forgeneralapplicati***,werecommendtheHCPL-7840(gaintoleranceof/-5%).TheHCPL-7840utilizessigmadelta(S-D)analog-to-digitalconvertertechnology,chopperstabilizedamplifiers,andafullydifferentialcircuittopologyfabricatedusing***agoTechnologies's0.8mmCMOSICprocess.Together,thesefeaturesdeliverunequaledisolation-modenoiserejection,aswellasexcellentoffsetandgainaccuracyandstabilityovertimeandtemperature.Thisperformanceisdeliveredinacompact,auto-insertable,industrystandard8-pinDIPpackagethatmeetsworldwideregulatorysafetystanda***.(Agull-wingsurfacemountoption#300isalso***ailable).HCPL-7840Features15kV/msCommon-ModeRejectionatVCM=1000VCompact,Auto-InsertableStandard8-pinDIPPackage0.00025V/V/degreesCGainDriftvs.Temperature0.3mVInputOffsetVoltage100kHzBandwidth0.004%NonlinearityWorldwideSafetyApproval:UL1577(3750Vrms/1min.)andCSA(pending),IEC/EN/DINEN60747-5-2(option060only)AdvancedSigma-Delta(S-D)A/DConverterTechnologyFullyDifferentialCircuitTopology0.8mmCMOSICTechnologyOpti******ailableare:NoOption=StandardDIPpackage,50pertube060=IEC/EN/DINEN60747-5-2Option300=SurfaceMountOption500=Tape/ReelPackagingOption,1kmin.perreelXXXE=LeadFreeOptionHCPL-7840Applicati***MotorPhaseandRailCurrentSensingInverterCurrentSensingSwitchedModePowerSupplySignalIsolationGeneralPurposeCurrentSensingandMonitoringGeneralPurposeAnalogSignal)