iso7420fe

VCC1OUTAINBGND1VCC2INAOUTBGND2ISO7421DPackage(TopView)12348765IsolationVCC1INAINBGND1VCC2OUTAOUTBGND2ISO7420DPackage(TopView)12348765IsolationISO7420E,ISO7420FEISO7421E,ISO7421FE–DECEMBER2010–REVISEDJANUARY2011Low-PowerDualChannelDigitalIsolatorsCheckforSamples:ISO7420E,ISO7420FE,ISO7421E,ISO7421FE1FEATURESAPPLICATIONS•Opto-CouplerReplacementin:2•SignalingRate50Mbps–IndustrialFieldBus•ForDeviceswithSuffixF,OutputisLowin–ProfiBusFail-SafeMode–ModBus•LowPowerConsumption:TypicalICCper–DeviceNet™DataBusesChannel(3.3VSupplies):–ServoControlInterface–ISO7420:1.4mAat1Mbps,2.5mAat25Mbps–MotorControl–PowerSupplies–ISO7421:1.8mAat1Mbps,2.8mAat25Mbps–BatteryPacks•LowPropagationDelay:7ns(Typical)SAFETYANDREGULATORY•LowPulseSkew:200ps(Typical)APPROVALS•WideTARangeSpecified:–40°Cto125°C•2.5KVRMSfor1minuteperUL1577•50KV/msTransientImmunity,Typical•CSAComponentAcceptanceNotice5A•IsolationBarrierLife:25Years•IEC60747-5-2(VDE0884Rev.2)•Operatesfrom3Vto5.5VSupplyLevels•IEC60950-1andIEC61010-1EndEquipment•NarrowBodySOIC-8PackageStandards•AllApprovalsPendingDESCRIPTIONISO7420E,ISO7420FE,ISO7421EandISO7421FEprovidegalvanicisolationupto2.5KVRMSfor1minuteperUL.Thesedeviceshavetwoisolatedchannels.Eachchannelhasalogicinputandoutputbufferseparatedbyasilicondioxide(SiO2)insulationbarrier.Usedinconjunctionwithisolatedpowersupplies,thesedevicespreventnoisecurrentsonadatabusorothercircuitfromenteringthelocalgroundandinterferingwithordamagingsensitivecircuitry.ThesuffixFindicateslow-outputoptioninfail-safecondition(seeTable1).ThesedeviceshaveTTLinputthresholdsandoperatefrom3Vto5.5Vsupplies.Allinputsare5Vtolerantwhensuppliedfroma3.3Vsupply.1Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.2DeviceNetisatrademarkofTexasInstruments.UNLESSOTHERWISENOTEDthisdocumentcontainsCopyright©2010–2011,TexasInstrumentsIncorporatedPRODUCTIONDATAinformationcurrentasofpublicationdate.ProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyincludetestingofallparameters.ISO7420E,ISO7420FEISO7421E,ISO7421FESLLSE45B–DECEMBER2010–REVISEDJANUARY2011–GroundconnectionforVCC1GND255–GroundconnectionforVCC2OUTA72OOutput,channelAOUTB66OOutput,channelBVCC111–Powersupply,VCC1VCC288–Powersupply,VCC2Table1.FUNCTIONTABLE(1)OUTPUTINPUTOUTPUTOUTA,OUTBINPUTSIDESIDEINA,INBISO7420E/ISO7420FE/VCCVCCISO7421EISO7421FEHHHPUPULLLOpenH(2)L(3)PDPUXH(2)L(3)PUPDXZZ(1)PU=Poweredup(VCC≥3V);PD=Powereddown(VCC≤2.4V);X=Irrelevant;H=Highlevel;L=Lowlevel;Z=HighImpedance(2)Infail-safecondition,outputdefaultstohighlevel(3)Infail-safecondition,outputdefaultstolowlevelAVAILABLEOPTIONSRATEDINPUTCHANNELMARKEDORDERINGPRODUCTPACKAGERATEDTAISOLATIONTHRESHOLDDIRECTIONASNUMBERISO7420ED(rail)ISO7420E(1)SO7420ISO7420EDR(reel)SameISO7420FED(rail)ISO7420FEI7420F~1.5VTTLISO7420FEDR(reel)2.5KVRMSD-8(CMOS–40°Cto125°CISO7421ED(rail)compatible)ISO7421E(1)SO7421ISO7421EDR(reel)OppositeISO7421FED(rail)ISO7421FE(1)I7421FISO7421FEDR(reel)(1)ProductPreview2SubmitDocumentationFeedbackCopyright©2010–2011,TexasInstrumentsIncorporatedProductFolderLink(s):ISO7420E,ISO7420FEISO7421E,ISO7421FEISO7420E,ISO7420FEISO7421E,ISO7421FE–DECEMBER2010–REVISEDJANUARY2011ABSOLUTEMAXIMUMRATINGS(1)VALUEVCCSupplyvoltage(2),VCC1,VCC2–0.5Vto6VVIVoltageatIN,OUT–0.5Vto6VIOOutputcurrent±15mAHuman-bodymodelJEDECStandard22,TestMethodA114-C.01±3kVElectrostaticField-inducedcharged-deviceESDJEDECStandard22,TestMethodC101Allpins±1.5kVdischargemodelMachinemodelANSI/ESDS5.2-1996±200VTJ(Max)Maximumjunctiontemperature150°CTstgStoragetemperature-65°Cto150°C(1)Stressesbeyondthoselistedunderabsolutemaximumratingsmaycausepermanentdamagetothedevice.Thesearestressratingsonlyandfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderrecommendedoperatingconditionsisnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.(2)AllvoltagevaluesexceptdifferentialI/Obusvoltagesarewithrespecttonetworkgroundterminalandarepeakvoltagevalues.RECOMMENDEDOPERATINGCONDITIONSMINTYPMAXUNITVCC1,VCC2Supplyvoltage3.05.5VIOHHigh-leveloutputcurrent–4mAIOLLow-leveloutputcurrent4mAVIHHigh-levelinputvoltage2VCCVVILLow-levelinputvoltage00.8VtuiInputpulseduration20ns1/tuiSignalingrate050(1)MbpsTJ(2)Junctiontemperature–40136°CTAAmbientTemperature-4025125°C(1)Undertypicalconditions,thedeviceiscapableofsignalingrate150Mbps.(2)TomaintaintherecommendedoperatingconditionsforTJ,seethePackageThermalCharacteristicstable.Copyright©2010–2011,TexasInstrumentsIncorporatedSubmitDocumentationFeedback3ProductFolderLink(s):IS