TPL0202 256-Taps Dual Ch Digital Potentiometer With SPI ...

1 SPI INTERFACEVOLATILEREGISTERSNON-VOLATILERE GISTERSHALAHBLBWAWBVDDGNDSCLKDINCSP roductFolderOrderNowTechnicalDocumentsTo ols &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand DECEMBER2010 REVISEDFEBRUARY2017 TPL0202256-TapsDual ChannelDigitalPotentiometerWith SPI and Non-VolatileMemory11 Features1 Two PotentiometersWith256-PositionResolution Non-VolatileMemoryStoresWiperSettings 10-k End-to-EndResistance( TPL0202 -10) FastPower-UpResponseTime:<100 s 1 LSB INL, LSB DNL(Voltage-DividerMode) 12 ppm/ C RatiometricTemperatureCoefficient SPI SerialInterface to V Single-SupplyOperation OperatingTemperatureRangeFrom 40 C to +105 C2 Applications AdjustableGainAmplifiersand OffsetTrimming AdjustablePowerSupplies PrecisionCalibrationof Set PointThresholds SensorTrimmingand Calibration MechanicalPotentiometerReplacement3 DescriptionTheTPL0202hastwolinear-taperd igitalpotentiometers(DPOTs) be usedas a three-terminalpotentiometeror as a an end-to-endresistanceof 10 k.

2 ThisDPOT canbe usedas a mechanicalpotentiometerreplacement,allow ingthe user(orsoftware)to digitallycontroland non-volatilememory(EEPROM)whichcan be usedto storethe the TPL0202can be (1)PARTNUMBERPACKAGEBODYSIZE(NOM) TPL0202 WQFN(16) (1) For all availablepackages,see the orderableaddendumatthe end of the DECEMBER2010 : TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand ..2510 Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (October2015)to RevisionEPage Changed"readendurance" to: "writeendurance"..6 AddedReceivingNotificationof (June2012)to RevisionDPage AddedPin Functionstable,ESDR atingstable,ThermalInformationtable,Deta iledDescriptionsection,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and FixedSPI TimingRequirementsto show5 MHzmax (August2011)to RevisionCPage UpdatedPin 2 3 DECEMBER2010 REVISEDFEBRUARY2017 ProductFolderLinks.

3 TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsRTEP ackage16-PinWQFNWithExposedThermalPadTop ViewPin clockDIN3 InputSPI inputCS4 InputSPI chip select(activelow) , 6, 8, 9, 16 Not be connectedto GNDGND7 GroundLB10I/OLow terminalof potentiometerBWB11I/OWiperterminalof potentiometerBHB12I/OHighterminalof potentiometerBLA13I/OLow terminalof potentiometerAWA14I/OWiperterminalof potentiometerAHA15I/OHighterminalof potentiometerAEPEP ExposedthermalpadCan be connectedto GNDor left DECEMBER2010 : TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

4 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)Followsthe algebraicconvention,wherebythe mostnegativevalueis a minimumand the mostpositivevalueis a maximum.(3)All voltagesare with respectto ground, (unlessotherwisenoted)(1) (2) (3)MINMAXUNITS upplyvoltageVDDto GND otherpins to GND + 20mAContinuouscurrentTPL0202-10 2mATstgStoragetemperature 65150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHuman-bodymod el(HBM),per ANSI/ESDA/JEDECJS-001(1) 2500 VCharged-devicemodel(CDM),per JEDEC specificationJESD22-C101(2) (unlessotherwisenoted)MINMAXUNITVDD, , VL, VWTerminalvoltagerange0 VDDVVIHV oltageinputhigh (SCLK,DIN,CS)VDD= V to V to (SCLK,DIN,CS) 2mATAFree-airambienttemperature 40105 C(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC (1) TPL0202 UNITRTE(WQFN)16 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bot)Junction-to-case(bottom) C/WHLWRTOTALCLCHCW kiiiV0 for k iiIYV= = DECEMBER2010 REVISEDFEBRUARY2017 ProductFolderLinks.

5 TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017,TexasInstrumentsIncorporated(1)Term inaland wipercapacitanceextractedfromself admittanceof three-portnetworkmeasurement(2)Digitalpo tentiometermacromodel(3)LSB = (VMEAS[code255] VMEAS[code0]) / 255(4)INL = ((VMEAS[codex] VMEAS[code0]) / LSB) [codex](5)DNL= ((VMEAS[codex] VMEAS[codex-1]) / LSB) 1(6)IDEAL_LSB= (VH VL) / 256(7)ZSERROR= VMEAS[code0]/ IDEAL_LSB(8)FSERROR= [(VMEAS[code255] (VH VL)) / IDEAL_LSB]+ 1(9)VMATCH= (VMEAS_A[codex] VMEAS_B[codex]) / to V, TA= 40 C to +105 C (unlessotherwisenoted).Typicalvaluesare at VDD= 5 V, TA= 25 C (unlessotherwisenoted).PARAMETERTESTCOND ITIONSMINTYPMAXUNITRTOTEnd-to-endresista nce(betweenH and L terminals)VL= VDD/ 2, IHL= 100 A, Inputcode= 0x80,MeasureVHL81012k RHHighterminalresistanceVL= VDD/ 2, IHL= 100 A, Inputcode= 0xFF,MeasureVHW100200 RLLow terminalresistanceVL= VDD/ 2, IHL= 100 A, Inputcode= 0x00,MeasureVWL60200 RWWiperresistanceVL= VDD/ 2, IWL= 100 A, Inputcode= 0x00,MeasureVHW25100 CH, CL(1) (2)Terminalcapacitance22pFCW(1) (2)Wipercapacitance18pFILKGT erminalleakagecurrentVH= VSSto VDD, VL= FloatingORVL= VSSto VDD, VH= ATCRR esistancetemperaturecoefficientInputcode = 0x80h132ppm/ CRTOT, (3) (4)Integralnon-linearity 11 LSBDNL(3) (5)Differentialnon-linearity (6) (7)Zero-scaleerror025 LSBFSERROR(6) (8)Full-scaleerror 5 20 LSBVMATCH(6) (9)

6 Channel-to-channelmatchingWiperat the sametap position,samevoltageall H and the samevoltageat all L terminals 22 LSBTCVR atiometrictemperaturecoefficientWiperset at midscale12ppm/ CBWB andwidthWiperset at midscaleCLOAD= 10 pFVL= VDD/ 2,Signalappliedto H; measurementat W2000kHztwoRegisterwriteto outputtimeTimefromCS risingedgeto 90%of expectedvalue2 sTHD+NTotalharmonicdistortion+ noiseVHL= 1 VRMSat 1 kHz,VL= VDD/ 2,Measurementat DECEMBER2010 : TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017,TexasInstrumentsIncorporatedElectri calCharacteristics(continued)VDD= to V, TA= 40 C to +105 C (unlessotherwisenoted).Typicalvaluesare at VDD= 5 V, TA= 25 C (unlessotherwisenoted).PARAMETERTESTCOND ITIONSMINTYPMAXUNIT(10)RLSB= (RMEAS[code255] RMEAS[code0]) / 255(11)RINL=((RMEAS[codex] RMEAS[code0]) / RLSB)- [codex](12)RDNL= ((RMEAS[codex] RMEAS[codex-1]) / RLSB) 1(13)IDEAL_RLSB= RTOT/ 256(14)ROFFSET= RMEAS[code0]/ IDEAL_RLSB(15)RMATCH= (RMEAS_A[codex] RMEAS_B[codex]) / IDEAL_RLSBXTALKC rosstalkfH_A= 1 kHz,VL_A= VL_B= VDD/ 2, VH_B= FloatingMeasurementat W_Aand W_B 94dBRHEOSTATMODE(MeasurementsbetweenW and L withH not connected,or betweenW and H withL not connected)RINL(10)(11)Integralnon-linear ity (10)(12)Differentialnon-linearity (13)(14) (13)(15)Channel-to-channelmatching V to V, VH= VDD, VL= GND,TA= 40 C to +105 C (unlessotherwisenoted).

7 Typicalvaluesare at VDD= 5 V, TA=25 C (unlessotherwisenoted).PARAMETERTESTCOND ITIONSMINTYPMAXUNITIDD(STBY)VDDsupplycur rentduringstandbyDigitalinputs= VDDor GND15 AIDDVDD supplycurrentduringwritecycleonlyDigital inputs= VDDor GND400 AIIN-DIGD igitalpins leakagecurrent(SCLK,DIN,CS inputs) 11 AVPORP ower-onrecallvoltageMinimumVDDat whichmemoryrecalloccurs2 VEEPROMSPECIFICATIONEEPROM writeenduranceTA= 105 C1000cyclesTA= 25 C10000 EEPROM retentionTA= 105 C20yearsTA= 85 C100tBUSYW riteNV registerbusytime20mstACCReadNV registeraccesstimeTimefromCS risingedgeto wiperstartto 10%of expectedchangewith readNVMcommand40nstDPower-upresponsetime (VDDaboveVPORto wiperregistervaluerecallcompleted)Timefr omVPORto wiperoutputsettled35100 sSERIALINTERFACESPECIFICATIONS(SCLK,DIN, CS INPUTS)

8 VIHI nputhigh voltageVDD= to to voltageSCLK,DIN,CS capacitanceSCLK,DIN,CS DECEMBER2010 REVISEDFEBRUARY2017 ProductFolderLinks: TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017, TimingRequirementsVDD= V to V, VH= VDD, VL= GND,TA= 40 C to +105 C (unlessotherwisenoted)MINMAXUNITfSCLKSCL K frequency5 MHztSCPSCLK period200nstSCHSCLK high time80nstSCLSCLKlow time80nstCSSCS fall to SCLK rise setuptime80nstCSHSCLK rise to CS hold time0nstDSDIN to SCLK setuptime50nstDHDIN hold afterSCLK rise to CS fall0nstCS0 SCLK rise to CS fall20nstCS1CS rise to SCLK rise hold80nstCSWCS pulsewidthhigh200nsDigital CodeDNL (LSB) V5 VDigital CodeINL (LSB) V5 VDigital CodeDNL (LSB) = 5 V -40 C 25 C105 CDigital CodeINL (LSB) = 5 V-40 C 25 C105 CTA - Free-Air Temperature (C)IDD (STBY) - Standby Current ( A)

9 - Input Voltage - VI0110100100010000I- Supply Current - ADDmV= VDDV= 5 VDD8 TPL0202 SLIS135E DECEMBER2010 : TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017, StandbyCurrentvs TemperatureFigure2. SupplyCurrentvs DigitalInputVoltageFigure3. VoltageDividerModeDNLvs Temperature(VDD= 5 V)Figure4. VoltageDividerModeINL vs Temperature(VDD= 5 V)Figure5. VoltageDividerModeDNLvs SupplyVoltage(25 C)Figure6. VoltageDividerModeINL vs SupplyVoltage(25 C) Digital CodeRINL (LSB) = 5 V-40 C 25 C105 CDigital CodeRDNL (LSB) = 5 V-40 C 25 C105 C01002003004001680144208 Digital V5 VTC (ppm/C)TA - Free-air Temperature (C)FS Error (LSB) V5 VDigital CodeUnadjusted Error (LSB) C 25 C105 CTA - Free-Air Temperature (C)ZS Error (LSB) V5 DECEMBER2010 REVISEDFEBRUARY2017 ProductFolderLinks: TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017,TexasInstrumentsIncorporatedTypical Characteristics(continued)Figure7.

10 VoltageDividerModeUnadjustedError(VDD= 5V)Figure8. VoltageDividerModeZS Errorvs TemperatureFigure9. VoltageDividerModeFS Errorvs TemperatureFigure10. VoltageDividerModevs DigitalCodeFigure11. RheostatModeRINLvs Temperature(VDD= 5 V)Figure12. RheostatModeRDNLvs Temperature(VDD= 5 V)VI - Input Voltage (V)Terminal Resistance (Ohms) - Input Voltage (V)Terminal Resistance (Ohms) V5 VTC - (ppm/C)TA - Free-Air Temperature (C)Offset Error (LSB) V5 VDigital CodeRINL (LSB) V5 VDigital CodeRDNL (LSB) V5 V10 TPL0202 SLIS135E DECEMBER2010 : TPL0202 SubmitDocumentationFeedbackCopyright 2010 2017,TexasInstrumentsIncorporatedTypical Characteristics(continued)Figure13. RheostatModeRINLvs SupplyVoltage(25 C)Figure14. RheostatModeRDNLvs SupplyVoltage(25 C)Figure15.