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SN65HVD888 Bus-Polarity Correcting RS-485 …

ABDDERREDR5V1k1kABDDERREPOLCORDRABDDERPO LCORDRREABDDERPOLCORDRREM asterSN65 HVD82 SlaveSN65 HVD888 SlaveSN65 HVD888 SlaveSN65 HVD888 Cross-wirefault 0 Copyright 2018, Texas Instruments IncorporatedProductFolderOrderNowTechnic alDocumentsTools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand JULY2013 REVISEDJANUARY2018SN65 HVD888 Bus-PolarityCorrectingRS-485 TransceiverWith IEC-ESDP rotection11 Features1 ExceedsRequirementsof EIA-485 Standard Bus-PolarityCorrectionWithin76 ms (tFS) DataRate:300 bps to 250 kbps WorksWithTwo Configurations: FailsafeResistorsOnly Failsafeand DifferentialTerminationResistors Up to 256 Nodeson a Bus (1/8 Unit Load) SOIC-8 Packagefor BackwardCompatibility Bus-PinProtection: 16 kV HBMprotection 12 kV IEC61000-4-2 ContactDischarge +4 kV IEC61000-4-4 FastTransientBurst2 Applications E-MeteringNetwork

A B D DE R RE D R 5V 1k 1k A B D DE R POLCOR RE D R A B R DE D POLCOR D R RE A B R DE D POLCOR D R RE Master SN65HVD82 Slave SN65HVD888 Slave SN65HVD888 Slave SN65HVD888 Cross-wire

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Transcription of SN65HVD888 Bus-Polarity Correcting RS-485 …

1 ABDDERREDR5V1k1kABDDERREPOLCORDRABDDERPO LCORDRREABDDERPOLCORDRREM asterSN65 HVD82 SlaveSN65 HVD888 SlaveSN65 HVD888 SlaveSN65 HVD888 Cross-wirefault 0 Copyright 2018, Texas Instruments IncorporatedProductFolderOrderNowTechnic alDocumentsTools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand JULY2013 REVISEDJANUARY2018SN65 HVD888 Bus-PolarityCorrectingRS-485 TransceiverWith IEC-ESDP rotection11 Features1 ExceedsRequirementsof EIA-485 Standard Bus-PolarityCorrectionWithin76 ms (tFS) DataRate:300 bps to 250 kbps WorksWithTwo Configurations: FailsafeResistorsOnly Failsafeand DifferentialTerminationResistors Up to 256 Nodeson a Bus (1/8 Unit Load) SOIC-8 Packagefor BackwardCompatibility Bus-PinProtection.

2 16 kV HBMprotection 12 kV IEC61000-4-2 ContactDischarge +4 kV IEC61000-4-4 FastTransientBurst2 Applications E-MeteringNetworks IndustrialAutomation HVACS ystems DMX512-Networks ProcessControl Battery-PoweredApplications MotionControl TelecomEquipment3 DescriptionThe SN65 HVD888is a plug-in,the devicedetectsandcorrectsthe bus polaritywithinthe first 76 ms of bus pinsarerobustto electrostaticdischarge(ESD)events,withhi ghlevelsof protectionto Human-BodyModel(HBM),Air-GapDischarge, differentialdriverandadifferentialreceiv er, forma bus port suitableforhalf-duplex(two-wirebus) widecommon-modevoltagerangemakingthe devicesuitablefor SN65 HVD888is availablein an SOIC-8package,andis characterizedfrom 40 C to 125 (1)PARTNUMBERPACKAGEBODYSIZE(NOM)SN65 HVD888 SOIC(8) (1) For all availablepackages,see the orderableaddendumatthe end of the (POLCOR)2SN65 HVD888 SLLSEH3C JULY2013 :SN65 HVD888 SubmitDocumentationFeedbackCopyright 2013 2018,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand :IEC Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (June2017)to RevisionCPage VISOTo.

3 5 VISOin Figure24 ..20 ChangesfromRevisionA (September2015)to RevisionBPage Changedtext From:"characterizedfrom 40 C to 85 C" To: "characterizedfrom 40 C to 125 C" in Changedthe TAMAX valueFrom:85 C To: 125 C in ChangedICCto showvaluesfor the temperaturerangesof 40 C to 85 C and 40 C to 125 C in (July2013)to RevisionAPage AddedPinConfigurationandFunctionssection ,ESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,ApplicationandImplem entationsection,PowerSupplyRecommendatio nssection,Layoutsection,DeviceandDocumen tationSupportsection,andMechanical,Packa ging, ChangedJEDECS tandard22, TestMethodA114(HBM)from 4 to 8 ChangedJEDECS tandard22, TestMethodA115(MachineModel)from 100 to 200 Changedthe "D and RE Inputs" circuitand the "DE Input" circuitof JULY2013 REVISEDJANUARY2018 ProductFolderLinks.

4 SN65 HVD888 SubmitDocumentationFeedbackCopyright 2013 2018,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsD Package8-PinSOICTop ViewPin receiverinput(complementaryto B)B7 Businput/outputDriveroutputor receiverinput(complementaryto A)D4 DigitalinputDriverdatainputDE3 DigitalinputDriverenable,activehighGND5 ReferencepotentialLocaldevicegroundR1 DigitaloutputReceivedataoutputRE2 DigitalinputReceiverenable, (1)StressesbeyondthoselistedunderAbsolut eMaximumRatingsmay causepermanentdamageto the stressratingsonly and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay (see(1))MINMAXUNITVCCS upplyvoltage any logicpin ,transientpulse,A and B, through100 100100 VVoltageat A or B inputs 1818 VReceiveroutputcurrent 2424mAContinuoustotal-powerdissipationSe e (ThermalInformation)tableTJJunctiontempe rature170 CTSTGS toragetemperature 65150 C(1)

5 JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a :JEDECS pecificationsVALUEUNITV(ESD)Electrostati cdischargeHumanbodymodel(HBM),per ANSI/ESDA/JEDECJS-001(1) 8000 VCharged-devicemodel(CDM),per JEDEC specificationJESD22-C101(2) 1500 Machinemodel(MM) 1004SN65 HVD888 SLLSEH3C JULY2013 :SN65 HVD888 SubmitDocumentationFeedbackCopyright 2013 2018, :IEC SpecificationsVALUEUNITV(ESD)Electrostat icdischargeIEC 61000-4-2 ESD(ContactDischarge),bus terminalsand GND 12000 VIEC 61000-4-4 EFT (Fasttransientor burst)bus terminalsand GND 4000 IEC 60749-26 ESD(HBM),bus terminalsand GND 16000(1)The algebraicconventionin whichthe leastpositive(mostnegative)limit is designatedas minimumis usedin this datasheet.

6 (2)Operationis specifiedfor internal(junction)temperaturesup to 150 C. Self-heatingdue to internalpowerdissipationshouldbeconsider edfor internallylimitedby the thermalshut-down(TSD)circuitwhichdisable sthe driveroutputswhenthe junctiontemperaturereaches170 1212 VVII nputvoltageat any bus terminal(separateor commonmode)(1) 712 VVIHHigh-levelinputvoltage(driver,driver -enable,and receiver-enableinputs)2 VCCVVILLow-levelinputvoltage(driver,driv er-enable,and receiver-enableinputs) 6060mAReceiver 88 CLDifferentialload capacitance50pFRLD ifferentialload resistance60 1 40150 CTA(2)Operatingfree-airtemperature(seeTh ermalInformationfor additionalinformation) 40125 C(1)

7 For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorandICPackageThermalMetri csapplicationreport, (1)SN65 HVD888 UNITD (SOIC)8 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W JULY2013 REVISEDJANUARY2018 ProductFolderLinks:SN65 HVD888 SubmitDocumentationFeedbackCopyright 2013 2018,TexasInstrumentsIncorporated(1)Unde rany specificconditions,VIT+is specifiedto be at leastVHYS higherthanVIT . (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNIT VOD Driverdifferential-outputvoltagemagnitud eRL = 60 , 375 on eachoutputfrom 7 to +12 VSee = 54 ( RS-485 )See = 100 (RS-422)23 VOD Changein magnitudeof driverdifferential-outputvoltageRL = 54 , CL = 50 pFSee Figure5 (SS)Steady-statecommon-modeoutputvoltage Centerof two 27- load resistorsSee Figure51 VCC/ 23V VOCC hangein differentialdrivercommon-modeoutputvolta geCenterof two 27- load resistorsSee Figure5 (PP)

8 Peak-to-peakdrivercommon-modeoutputvolta geCenterof two 27- load resistorsSee Figure5850mVCODD ifferentialoutputcapacitance8pFVIT+Posit ive-goingreceiverdifferential-inputvolta gethreshold35100mVVIT Negative-goingreceiverdifferential-input voltagethreshold 100 35mVVHYS(1)Receiverdifferential-inputvol tagethresholdhysteresis(VIT+ VIT )4060mVVOHR eceiverhigh-leveloutputvoltageIOH= 8 8 ,driverenable,andreceiverenableinputcurr ent 22 AIOZR eceiverhigh-impedanceoutputcurrentVO = 0 V or VCC,RE at VCC 1010 A IOS Drivershort-circuitoutputcurrent IOS with VAor VBfrom 7 to +12 V150mAIIBus inputcurrent(driverdisabled)VCC= to V orVI= 12 V75125 AVCC= 0 V, DE at 0 VVI= 7 V 100 40 ICCS upplycurrent(quiescent) 40 C to 85 CDriverand receiverenabledDE = VCC,RE = GND,No load750900 ADriverenabled,receiverdisabledDE = VCC,RE = VCC,No load650 Driverdisabled,receiverenabledDE = GND,RE = GND,No load750 Driverand receiverdisabledDE = GND,D = GNDRE = VCC,No (quiescent) 40 C to 125 CDriverand receiverenabledDE = VCC,RE = GND,No load750990 ADriverenabled,receiverdisabledDE = VCC,RE = VCC,No load715 Driverdisabled,receiverenabledDE = GND,RE = GND,No load825 Supplycurrent(dynamic)See Figure36SN65 HVD888 SLLSEH3C JULY2013.

9 SN65 HVD888 SubmitDocumentationFeedbackCopyright 2013 2018, receiverenabled,VCC= V, TJ= 150 C50%duty cyclesquare-wavesignalat 250 kbpssignalingrate:UnterminatedRL= 300 ,CL= 50 pF (driver)164mWRS-422loadRL= 100 ,CL= 50 pF (driver)247RS-485loadRL= 54 ,CL= 50 pF (driver) ms > bit time > 4 s (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITDRIVERtr, tfDriverdifferential-outputrise and fall timesRL = 54 , CL = 50 pFSee Figure64007001200nstPHL, tPLHD riverpropagationdelayRL = 54 , CL = 50 pFSee Figure6907001000nstSK(P)Driverpulseskew, |tPHL tPLH|RL = 54 , CL = 50 pFSee Figure625200nstPHZ, tPLZD riverdisabletimeSee Figure7 andFigure850500nstPHZ, tPLZD riverenabletimeReceiverenabledSee Figure7 andFigure85001000nsReceiverdisabledSee Figure7 andFigure839 sRECEIVERtr, tfReceiveroutputrise and fall timesCL = 15 pFSee Figure91830nstPHL, tPLHR eceiverpropagationdelaytimeCL = 15 pFSee Figure985195nstSK(P)Receiverpulseskew,|t PHL tPLH|CL = 15 pFSee Figure9115nstPHZ, tPLZR eceiverdisabletime50500tPZL(1),tPZH(1)tP ZL(2),tPZH(2)

10 ReceiverenabletimeDriverenabledSee Figure1020130nsDriverdisabledSee Figure1128 stFSBus failsafetimeDriverdisabledSee Figure12445876ms051015202505010015020025 0 Supply Current (mA) Signal Rate (kbps) C003 VCC = 5 V D = DE = /RE = 5 V 10 8 6 4 2 02468100102030405060708090100 Driver Output Voltage (V) Driver Output Current (mA) C001 VCC = 5 V D = DE = 5 V VOH VOL 0123456789100102030405060708090100 Driver Differential Output Voltage (V) Driver Output Current (mA) C002 VCC = 5 V D = DE = 5 V JULY2013 REVISEDJANUARY2018 ProductFolderLinks:SN65 HVD888 SubmitDocumentationFeedbackCopyright 2013 2018, DriverOutputVoltagevs DriverOutputCurrentFigure2. DriverDifferentialOutputVoltagevs DriverOutputCurrentFigure3.