+2.7 V to +5.5 V, I2C INTERFACE (RECEIVE ONLY), …

1 VDDSCLA0 GNDO utputBufferPower DownControl LogicResistorNetworkRef (+) REF(- ) FEBRUARY2003 REVISEDJANUARY2014+ V to + V, I2C INTERFACE (RECEIVEONLY),VOLTAGEOUTPUT,12- BITDIGITAL-TO-ANALOGCONVERTERC heckfor Samples:DAC75711 FEATURESDESCRIPTION2 MicropowerOperation:140 A @ 5 VThe DAC7571is a low-power,singlechannel,12-bit Power-OnResetto on-chipprecision + + I2C compatible SpecifiedMonotonicby Designtwo wireserialinterfacethat operatesat clockrates SettlingTime:10 s to to Mbpswithaddresssupportof up to two I2C Interfaceup to MbpsDAC7571son the samedatabus. On-ChipOutputBufferAmplifier,Rail-to-Rai lThe outputvoltagerangeof the DACis set to DAC7571incorporatesa power-on-resetcircuit Double-BufferedInputRegisterthat ensuresthat the DACoutputpowersup at zerovoltsandremainsthereuntila validwriteto the AddressSupportfor up to DAC7571containsa power- Small6-LeadSOTP ackagedownfeature,accessedvia theinternalcontrol OperationFrom 40 C to 105 Cregister,that reducesthe currentconsumptionof thedeviceto 50 nA at 5 powerconsumptionof this partin normal ProcessControloperationmakesit ideallysuitedfor powerconsumptionis less mW at VDD= 5 V reducingto 1 W in power- Closed-LoopServoControldownmode.

2 PC PeripheralsTheDAC7571is availablein a 6-leadSOT23 awarethat an importantnoticeconcerningavailability,st andardwarranty,and use in criticalapplicationsofTexasInstrumentsse miconductorproductsand disclaimerstheretoappearsat the end of this is a trademarkof currentas of 2003 2014,TexasInstrumentsIncorporatedProduct sconformto specificationsper the termsof the all 4 YMLL(TOP VIEW)(BOTTOM VIEW)Lot Trace CodeDAC7571 SLAS374D FEBRUARY2003 leadsshouldbe shortedtogetheror the deviceplacedin conductivefoamduringstorageor handlingto preventelectrostaticdamageto the be damagedby all integratedcircuitsbe observeproperhandlingand installationprocedurescan rangefromsubtleperformancedegradationto be moresusceptibleto damagebecausevery smallparametricchangescouldcausethe devicenot to meetits ReelDAC7571 SOT23-6 DBV 40 C to +105 CD771 DAC7571 IDBVR3000-PieceTapeand ReelPIN CONFIGURATIONSPIN DESCRIPTION(SOT23-6)PINNAMEDESCRIPTION1 VOUTA nalogoutputvoltagefromDACG roundreferencepointfor all2 GNDcircuitryon the part3 VDDA nalogVoltageSupplyInput4 SDAS erialDataInput5 SCLS erialClockInput6A0 DeviceAddressSelectLOTYear (3 = 2003)

3 ;Month(1 9 = JAN SEP;A=OCT,TRACEB=NOV,C=DEC);LL RandomcodegeneratedCODE:whenassemblyis requestedABSOLUTEMAXIMUMRATINGS(1)UNITSV DDto GND V to +6 VDigitalInputvoltageto GND V to +VDD+ GND V to +VDD+ 40 C to +105 CStoragetemperaturerange 65 C to +150 CJunctiontemperaturerange(TJmax)+150 CPowerdissipation(TJmax - TA)R JAThermalimpedance,R JA240 C/WLeadtemperature,solderingVaporphase(6 0 s)215 CInfrared(15 s)220 C(1)Stressesabovethoselistedunder AbsoluteMaximumRatings may causepermanentdamageto the absolutemaximumconditionsfor extendedperiodsmay + to + ; RL= 2 k to GND;CL= 200 pF to GND;all specifications 40 C to +105 C (1)Resolution12 BitsRelativeaccuracy of FSR(1)Linearitycalculatedusinga reducedcoderangeof 48 to 4047; 2003 2014, FEBRUARY2003 REVISEDJANUARY2014 ELECTRICALCHARACTERISTICS(continued)VDD= + to + ; RL= 2 k to GND;CL= 200 pF to GND.

4 All specifications 40 C to +105 C design 1 LSBZ erocodeerror520mVFull-scaleerrorAll onesloadedto DACregister of FSRG ainerror of FSRZ erocodeerrordrift 7 V/ CGaintemperaturecoefficient 3ppmof FSR/ COUTPUTCHARACTERISTICS(2)Outputvoltagera nge0 VDDVO utputvoltagesettlingtime1/4 Scaleto 3/4 scalechange(400 Hto C00H)810 sSlewrate1V/ sRL= 470pFCapacitiveload stabilityRL= 2 k 1000pFCodechangeglitchimpulse1 LSB outputimpedance1 VDD= +5 V50mAShort-circuitcurrentVDD= +3 V20mAComingout of power-downmode,VDD= +5 sPower-uptimeComingout of power-downmode,VDD= +3 V5 sLOGICINPUTS(3)Inputcurrent 1 AVINL, Inputlow voltageVDD= +3 VDDVVINH, Inputhigh voltageVDD= +5 VDDVPin (normaloperation)DACactiveand excludingload currentVDD= + to + VDDand VIL= GND135200 AVDD= + to + VDDand VIL= GND115160 AIDD(all power-downmodes)VDD= + to + VDDand VIL= AVDD= + to + VDDand VIL= APOWEREFFICIENCYIOUT/IDDILOAD= 2 mA, VDD= +5 V93%(2)Specifiedby designand characterization,not productiontested.

5 (3)Specifiedby designand characterization,not 2003 2014,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks:DAC7571 DAC7571 SLAS374D FEBRUARY2003 ,CB- ,CB- sBus FreeTimeBetweena STOPtBUFand sHoldTime(Repeated)STARTtHD; stLOWLOWP eriodof the SCLC lockHigh-speedmode,CB- 100pFmax160nsHigh-speedmode,CB- sFastmode600nstHIGHHIGHP eriodof the SCLC lockHigh-speedmode,CB- 100pFmax60nsHigh-speedmode,CB- sSetupTimefor a RepeatedtSU; tSTAF astmode600nsSTARTC onditionHigh-speedmode160nsStandardmode2 50nstSU; stHD; tDATDataHoldTimeHigh-speedmode,CB- 100pFmax070nsHigh-speedmode,CB- 400pFmax0150nsStandardmode1000nsFastmode 20 + SCLS ignalHigh-speedmode,CB- 100pFmax1040nsHigh-speedmode,CB- 400pFmax2080nsStandardmode1000nsRiseTime of SCLS ignalAfteraFastmode20 + ,CB- 100pFmax1080nsAfteran AcknowledgeBITHigh-speedmode,CB- 400pFmax20160nsStandardmode300nsFastmode 20 + Timeof SCLS ignalHigh-speedmode,CB- 100pFmax1040nsHigh-speedmode,CB- 400pFmax2080nsStandardmode1000nsFastmode 20 + SDAS ignalHigh-speedmode,CB- 100pFmax1080nsHigh-speedmode,CB- 400pFmax20160nsStandardmode300nsFastmode 20 + Timeof SDAS ignalHigh-speedmode,CB- 100pFmax1080nsHigh-speedmode,CB- 400pFmax20160ns4 SubmitDocumentationFeedbackCopyright 2003 2014.

6 FEBRUARY2003 REVISEDJANUARY2014 TIMINGCHARACTERISTICS(continued) stSU; tSTOS etupTimefor STOPC onditionFastmode600nsHigh-speedmode160ns CBCapacitiveLoadfor SDAand SCL400pFFastmode50nstSPPulseWidthof SpikeSuppressedHigh-speedmode10nsStandar dmodeNoiseMarginat the HIGHL evelVNHfor (IncludingHysteresis)High-speedmodeStand ardmodeNoiseMarginat the (IncludingHysteresis)High-speedmodeCopyr ight 2003 2014,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks:DAC7571 30 20 100102030 50 30 101030507090110 Zero-Scale Error mVT Temperature _C 30 20 100102030 50 30 101030507090110 Zero-Scale Error mVT Temperature _C 8 6 4 202468LE LSBDLE LSB 1 Input CodeDigital Input CodeOutput Error mV 16 808160512102415362048256030723584 4096 8 6 4 202468LE LSB 1 4096 Digital Input CodeDLE LSB 8 6 4 202468 1 Input CodeLE LSBDLE LSBDAC7571 SLAS374D FEBRUARY2003.

7 VDD= +5 VAt TA= +25 C, +VDD= +5 V, (-40 C)CODE(+25 C ) (+105 C) 2003 2014, (nA)VDD (V) +25 C 40 C+105 Supply Current IDDA VDD Supply Voltage V050100150200250300 50 30 101030507090110 Supply Current IDDA T Temperature _C0100200300400500 CODE000H200H600HA00HE00 HFFFHIDD A Supply Current 0 VOUT (V)ISOURCE/SINK (mA)51015543210 DAC Loaded with FFFHDAC Loaded with 000H050010001500200025008090100110120130 140150160170180190200 IDD Supply Current mAf Frequency FEBRUARY2003 REVISEDJANUARY2014 TYPICALCHARACTERISTICS:VDD= +5 V (continued)At TA= +25 C, +VDD= +5 V, 2003 2014,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLinks:DAC7571 Time (1 s/div)CLK (5V/div)VOUT(1V/div)Half-Scale Code ChangeC00H to 400 HOutput Loaded with2k and 200pF to GNDTime (20 s/div)Loaded with 2k to (1V/div)VOUT (1V/div)Time (1 s/div)CLK (5V/div)VOUT(1V/div)Full-Scale Code ChangeFFFH to 000 HOutput Loaded with2k and 200pF to GNDHALF-SCALE SETTLING TIMETime (1 s/div)CLK (5V/div)VOUT(1V/div)Half-Scale Code Change400H to C00 HOutput Loaded with2k and 200pF to GND0 IDD ( A)VLOGIC (V)1234525002000150010005000 CLK (5V/div)VOUT(1V/div)Time (1 s/div)Full-Scale Code Change000H to FFFHO utput Loaded with2k and 200pF to GNDDAC7571 SLAS374D FEBRUARY2003 :VDD= +5 V (continued)At TA= +25 C, +VDD= +5 V, 2003 2014,TexasInstrumentsIncorporatedProduct FolderLinks.

8 DAC7571 Time ( s/div)Loaded with 2k and 200pF to Change:800H to (20mV/div)Time (5 s/div)CLK (5V/div)VOUT (1V/div) FEBRUARY2003 REVISEDJANUARY2014 TYPICALCHARACTERISTICS:VDD= +5 V (continued)At TA= +25 C, +VDD= +5 V, (800 HLoaded) 2003 2014,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback9 ProductFolderLinks:DAC7571 30 20 100102030 50 30 101030507090110 Zero-Scale Error mVT Temperature _C 30 20 100102030 50 30 101030507090110T Temperature _CFull-Scale Error mV 16 808160512102415362048256030723584 Digital Input Code4096 Output Error mV 8 6 4 202468 1 Input CodeLE LSBDLE LSB 8 6 4 202468 1 Input CodeLE LSBDLE LSB 8 6 4 202468 1 Input CodeLE LSBDLE LSBDAC7571 SLAS374D FEBRUARY2003 :VDD= + TA= +25 C, +VDD= + , (-40 C)CODE(+25 C) (+105 C) 2003 2014,TexasInstrumentsIncorporatedProduct FolderLinks.

9 DAC75710 IDD ( A)VLOGIC (V)1234525002000150010005000 FULL-SCALE SETTLING TIMETime (1 s/div)CLK ( )VOUT (1V/div)Full-Scale Code Change000H to FFFHO utput Loaded with2k and 200pF to GND0100200300400500000H02FH200H400H600H8 00HA00HC00HE00 HFCFHFFFHIDD Supply Current mAf Frequency Hz050100150200250300 50 30 101030507090110 Supply Current IDDA T Temperature _CSOURCE AND SINK CURRENT CAPABILITY0 VOUT (V)ISOURCE/SINK (mA)510153210 DAC Loaded with FFFHDAC Loaded with 000 HVDD = +3V 0500100015002000250080901001101201301401 50160170180190200 IDD Supply Current mAf Frequency FEBRUARY2003 REVISEDJANUARY2014 TYPICALCHARACTERISTICS:VDD= + (continued)At TA= +25 C, +VDD= + , 2003 2014,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback11 ProductFolderLinks:DAC7571 Time ( s/div)Loaded with 2k and 200pF to Change:800H to (20mV/div)Time (5 s/div)CLK ( )VOUT(1V/div)Time (1 s/div)CLK ( )VOUT(1V/div)Half-Scale Code ChangeC00H to 400 HOutput Loaded with2k and 200pF to GNDPOWER-ON RESET to 0 VTime (20 s/div)Time (1 s/div)CLK ( )VOUT(1V/div)Full-Scale Code ChangeFFFH to 000 HOutput Loaded with2k and 200pF to GNDTime (1 s/div)CLK ( )VOUT(1V/div)Half-Scale Code Change400H to C00 HOutput Loaded with2k and 200pF to GNDDAC7571 SLAS374D FEBRUARY2003.

10 VDD= + (continued)At TA= +25 C, +VDD= + , RESET0 (800 HLoaded) 2003 2014,TexasInstrumentsIncorporatedProduct FolderLinks:DAC7571 RRRRVDDGNDTo OutputAmplifierVOUT+VDD D4096 REF (+)REF (- )ResistorStringOutputAmplifierVOUTGNDVDD DAC FEBRUARY2003 REVISEDJANUARY2014 THEORYOF OPERATIOND/A SECTIONThe architectureof the DAC7571consistsof a stringDACfollowedby an blockdiagramof the R-StringDACA rchitectureThe inputcodingto the DAC7571is unsignedbinary,whichgivesthe idealoutputvoltageas:whereD = decimalequivalentof the binarycodethat is loadedto the DACregister;it can rangefrom0 to resistorstringsectionis shownin Figure40. It is simplya stringof resistors,eachof valueR. The codeloadedinto the DACregisterdeterminesat whichnodeon the stringthe voltageis tappedoff to be fed into theoutputamplifierby closingone of the switchesconnectingthe stringto the is ensuredmonotonicbecauseit is a stringof negativetap of the resistorstringis tied to positivetap of theresistorstringis tied to ResistorStringCopyright 2003 2014,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback13 ProductFolderLinks:DAC7571 Not Acknowledge Acknowledge1289 Clock Pulse forAcknowledgementSSTARTC onditi