ISO3086T Isolated 5-V RS-485 Transceiver With …

1 C212345678D1D2 VCC1 GND1 RREDEDVCC2 ABGND2 ZYC31614131211159, 10 OUTNCC6 INENGND51 LDO132C5C4D1D287654321C1X-FMRISO3086 TIsolated Supply toother ComponentsRS-485 BusInterfaceControlCircuitryProductFolde rSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityReferenceDesignISO3086 TSLLSE27D JANUARY2011 REVISEDOCTOBER2015 ISO3086 TIsolated5-V RS-485 TransceiverWith IntegratedTransformerDriver1 Features3 DescriptionTheISO3086 Tis an isolateddifferentialline1 Meetsor ExceedsTIA/EIA-485-Atransceiverwithinteg ratedoscillatoroutputsthat SignalingRateup to 20

2 Mbpsprovidetheprimaryvoltageforanisolati on 1/8 Unit Load Up to 256 Nodeson a a full-duplexdifferentialline transceiverfor RS-485and RS-422applications ThermalShutdownProtectionthat can easilybe configuredfor half-duplexoperation TypicalEfficiency> 60%(ILOAD= 100 mA) - seeby connectingpin 11 to pin 14, and pin 12 to pin idealfor longtransmissionlines Low Bus Capacitance7 pF (Typ)sincethe groundloopis brokento allowfor a much 50-kV/ s symmetrical Fail-safeReceiverfor Bus Open,Short,Idleisolationbarrierof the deviceis testedto provide4242 VPKof isolationfor 1 minuteper VDEbetween LogicInputsare 5-V Tolerantthe bus-linetransceiverand the logic-levelinterface.

3 Bus-PinESDP rotectionAny cabledI/O can be subjectedto electricalnoise 11-kVHBMB etweenBus-Pinsand 6-kVHBMB etweenBus-Pinsand GND1transientscancausedamageto the Transceiver Safetyand RegulatoryApprovalsand/ornear-bysensitiv ecircuitryif 4242 VPKB asicInsulationper DIN V VDEV devicescansignificantlyincreaseprotectio nand0884-10and DIN EN 61010-1reducethe riskof damageto expensivecontrol 2500 VRMSI solationfor 1 minuteper UL 1577circuits. CSAC omponentAcceptanceNotice5A, IECTheISO3086 Tis specifiedfor use from 40 C to60950-1and IEC 61010-1 Standards85 ApplicationsDeviceInformation(1) IsolatedRS-485/RS-422 InterfacesPARTNUMBERPACKAGEBODYSIZE(NOM) FactoryAutomationISO3086 TSOIC(16) Motor/MotionControl(1) For all availablepackages,see the orderableaddendumatthe end of the datasheet.

4 HVACand BuildingAutomationNetworks NetworkedSecurityStationsTypicalApplicat ionCircuit1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand JANUARY2011 Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and Orderable7 RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (July2011)to RevisionDPage AddedFeatureItem"Meetsor ExceedsTIA/EIA-485".

5 1 VDEstandardchangedto DIN V VDEV 0884-10(VDEV 0884-10) AddedPin Configurationand Functionssection,ESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and (July2011)to RevisionCPage AddedNote1 to the Changedthe TRANSFORMERDRIVERCHARACTERISTICS table- fStTestConditionsFrom:.VCC1= 9V To: VCC1= and Changedthe TYPvalueFrom:230 To: 350 (March2011)to RevisionBPage Deletedthe MIN and MAXvaluesfromrows,tr_d, tf_D, and tBBMof the (January2011)to RevisionAPage Changedthe Featuresand Changedthe datasheetFrom:PreviewTo.

6 AddedFigure34 2011 2015, JANUARY2011 REVISEDOCTOBER20155 Pin Configurationand FunctionsDW Package16-PinSOICTop ViewPin , OpenDrainOutputD22 OTransformerDriverTerminal2, OpenDrainOutputD8 IDriverInputDE7 IDriverEnableInputGND13 Logic-sideGroundGND29, 15 are No pin is not connectedto any pin has Logic-sidePowerSupplyVCC216 Bus-sidePowerSupplyY11 ONon-invertingDriverOutputZ12 OInvertingDriverOutput6 (1)MINMAXUNITVCC1, VCC2 Inputsupplyvoltage(2) ,VB,VY,VZVoltageat any bus I/O terminal(A, B, Y, Z) 914 VVD1,VD2 Voltageat D1, D214VV(TRANS)Voltageinput,transientpulse through100 , see Figure27 (A, B,Y, Z) 5050 VVIV oltageinputat D, DE or RE terminal 1010mAID1, ID2 TransformerDriverOutputCurrent450mATJM aximumjunctiontemperature170 CTSTGS toragetemperature 65150 C(1)

7 StressesbeyondthoselistedunderAbsoluteMa ximumRatingsmay causepermanentdamageto the stressratingsonly and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevaluesexceptdifferentialI/O bus voltagesare with respectto networkgroundterminaland are 2011 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks:ISO3086 TISO3086 TSLLSE27D JANUARY2011 pins and GND1 6000 Humanbodymodel(HBM),per ANSI/ESDA/JEDECJS-Bus pins and GND2 11000001(1)ElectrostaticV(ESD)All pins 4000 VdischargeCharged-devicemodel(CDM),per JEDEC specificationJESD22-C101(2) 1500 Machinemodel(MM), 200(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.

8 (2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a V V VICV oltageat any bus terminal(separatelyor common-mode) 712 VRE2 VCC1 VIHHigh-levelinputvoltageVD, , VCC1A with respectto B 1212 VIDD ifferentialinputvoltageVDynamicSee Figure16 RLDifferentialload resistance5460 Driver 6060 IOOutputCurrentmAReceiver 88 TAAmbienttemperature 4085 CTJO peratingjunctiontemperature 40150 C1 / (1)DW (SOIC)UNIT16 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/W(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC PackageThermalMetricsapplicationreport, (unlessotherwisenoted)PARAMETERTESTCONDI TIONSVALUEUNITVCC1= VCC2= ,TJ= 150 C, RL= 54 ,CL= 50pF(Driver),CL= 15pF(Receiver),PDMaximumdevicepowerdissi pation490mWInputa 10 MHz50%duty cyclesquarewaveto Driverand Receiver4 SubmitDocumentationFeedbackCopyright 2011 2015, JANUARY2011.

9 Driveroverrecommendedoperatingconditions (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITIO= 0 mA, no 54 ( RS-485 ),See |VOD|DifferentialoutputvoltagemagnitudeV RL= 100 (RS-422),See 7 V to +12 V, magnitudeof the differential |VOD|See Figure17 and Figure18 (SS) steady-statecommon-mode VOC(SS) (pp)Peak-to-peakcommon-modeoutputvoltage See , DE, VIat 0 V or VCC1 1010 AVYor VZ= 12 V,1 VCC2= 0 V or 5 V, DE = 0 VHigh-impedancestateoutputcurrent,Y or ZOtherbus pinIOZ Apinat 0 VVYor VZ= 7 V, 1 VCC2= 0 V or 5 V, DE = 0 VOtherbus pinIOS(1)Short-circuitoutputcurrent 7 V VYor VZ 12 V 250250mAat 0 V(1)This devicehas thermalshutdownand outputcurrentlimitingfeaturesto protectin short-circuitfault.

10 Receiveroverrecommendedoperatingconditio ns(unlessotherwisenoted)PARAMETERTESTCON DITIONSMINTYPMAXUNITVIT(+)Positive-going inputthresholdvoltageIO= 8 mA 85 10mVVIT( )Negative-goinginputthresholdvoltageIO= 8 mA 200 115mVVhysHysteresisvoltage(VIT+ VIT )30mVVCC1= VVCC1 200 mV, IO= 8 mA,VOHHigh-leveloutputvoltageVSee Figure23 VCC1= 5 200 mV, IO= 8 mA,VOLLow-leveloutputvoltageVSee Figure23 VCC1= 5 (Z)High-impedancestateoutputcurrentVO= 0 or VCC1, RE = VCC1 11 AVAor VB= 12 V40100 VAor VB= 12 V, VCC2= 060130 OtherinputIA, IBBus inputcurrent Aat 0 VVAor VB= 7 V 100 40 VAor VB= 7 V, VCC2= 0 100 30 IIHHigh-levelinputcurrent,REVIH= 2.