SN65HVD08中文资料

(TOPVIEW)LOGICDIAGRAM(PositiveLogic)DADERERBHostSN65HVD08PowerBusandReturnResistanceIsolationBarrierRemote(OneofnShown)5VPowerDirectConnectiontoHost5VReturnSN75HVD08,SN65HVD08SLLS550A–NOVEMBER2002–REVISEDMAY2003WIDESUPPLYRANGERS-485TRANSCEIVERThewidesupplyvoltagerangeandlowquiescentcurrentrequirementsallowtheSN65HVD08sto•OperatesWitha3-Vto5.5-VSupplyoperatefroma5-Vpowerbusinthecablewithas•ConsumesLessThan90mWQuiescentmuchasa2-Vlinevoltagedrop.BusingpowerinthePowercablecanalleviatetheneedforisolatedpowertobegeneratedateachconnectionofaground-isolated•Open-Circuit,ShortCircuit,andIdle-Busbus.FailsafeReceiver•1/8thUnit-Load(upto256nodesonthebus)Thedriverdifferentialoutputsandreceiverdifferentialinputsconnectinternallytoformadifferentialin-•Bus-PinESDProtectionExceeds16kVHBMput/output(I/O)busportthatisdesignedtooffer•DriverOutputVoltageSlew-RateLimitedforminimumloadingtothebuswheneverthedriverisOptimumSignalQualityat10Mbpsdisabledornotpowered.Thedriversandreceivers•ElectricallyCompatibleWithANSITIA/EIA-485haveactive-highandactive-lowenablesrespectively,whichcanbeexternallyconnectedtogethertofunc-Standardtionasadirectioncontrol.•DataTransmissionWithRemoteStationsPoweredFromtheHost•IsolatedMultipointDataBuses•IndustrialProcessControlNetworks•Point-of-SaleNetworks•ElectricUtilityMeteringTheSN65HVD08combinesa3-statedifferentiallinedriveranddifferentiallinereceiverdesignedforbal-anceddatatransmissionandinteroperationwithANSITIA/EIA-485-AandISO-8482Estandard-compliantdevices.Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.PRODUCTIONDATAinformationiscurrentasofpublicationdate.Copyright©2002–2003,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyincludetestingofallparameters.–NOVEMBER2002–REVISEDMAY2003Thesedeviceshavelimitedbuilt-inESDprotection.TheleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.ORDERINGINFORMATIONSPECIFIEDTEMPERATUREPARTNUMBERPACKAGEPACKAGEMARKINGRANGESN65HVD08D–40°Cto85°CSOICVP08SN65HVD08P–40°Cto85°CPDIP65HVD08SN75HVD08D0°Cto70°CSOICVN08SN75HVD08P0°Cto70°CPDIP75HVD08PACKAGETA≤25°CPOWERRATINGDERATINGFACTORABOVETA=25°CTA=85°CPOWERRATINGSOIC(D)710mW5.7mW/°C369mWPDIP(P)1000mW8mW/°C520mWoveroperatingfree-airtemperaturerangeunlessotherwisenoted(1)(2)UNITSupplyvoltage,VCC-0.3Vto6VVoltagerangeatAorB-9Vto14VInputvoltagerangeatD,DE,RorRE-0.5VtoVCC+0.5VVoltageinputrange,transientpulse,AandB,through100Ω-25Vto25VA,B,andGND16kVHumanBodyModel(3)ElectrostaticdischargeAllpins4kVCharged-DeviceModel(4)Allpins1kVContinuoustotalpowerdissipationSeeDissipationRatingTableStoragetemperature,Tstg-65°Cto150°C(1)Stressesbeyondthoselistedunderabsolutemaximumratings”maycausepermanentdamagetothedevice.Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderrecommendedoperatingconditions”isnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.(2)Allvoltagevalues,exceptdifferentialI/Obusvoltages,arewithrespecttonetworkgroundterminal.(3)TestedinaccordancewithJEDECStandard22,TestMethodA114-A.(4)TestedinaccordancewithJEDECStandard22,TestMethodC101.MINNOMMAXUNITSupplyvoltage,VCC35.5VInputvoltageatanybusterminal(separatelyorcommonmode),VI(1)–712VHigh-levelinputvoltage,VIH2.25VCCDriver,driverenable,andreceiverenableinputsVLow-levelinputvoltage,VIL00.8Differentialinputvoltage,VID–1212Driver–60High-leveloutputcurrent,IOHmAReceiver–8Driver60Low-leveloutputcurrent,IOLmAReceiver8SN75HVD08070Operatingfree-airtemperature,TA°CSN65HVD08–4085(1)Thealgebraicconvention,inwhichtheleastpositive(mostnegative)limitisdesignatedasminimumisusedinthisdatasheet.2–NOVEMBER2002–REVISEDMAY2003overrecommendedoperatingconditionsunlessotherwisenotedPARAMETERTESTCONDITIONSMINTYPMAXUNITRL=60Ω,375Ωoneachoutputto|VOD|Driverdifferentialoutputvoltagemagnitude1.5VCCV-7Vto12V,SeeFigure1ChangeinmagnitudeofdriverdifferentialΔ|VOD|RL=54Ω–0.20.2VoutputvoltagePeak-to-peakdrivercommon-modeoutputCenteroftwo27-ΩloadVOC(PP)0.5Vvoltageresistors,SeeFigure2Positive-goingreceiverdifferentialinputvolt-VIT+–10mVagethresholdNegative-goingreceiverdifferentialinputvolt-VIT-–200mVagethresholdReceiverdifferentialinputvoltagethresholdVhys35mVhysteresis(VIT+-VIT-)VOHReceiverhigh-leveloutputvoltageIOH=-8mA2.4VVOLReceiverlow-leveloutputvoltageIOL=8mA0.4VDriverinput,driverenable,andreceiveren-IIH–100100µAablehigh-levelinputcurrentDriverinput,driverenable,andreceiveren-IIL–100100µAablelow-levelinputcurrentIOSDriv