Ultra Low Power Stereo DAC With Embedded …

1 DRCLeftDAC++*DRCR ightDAC*DAC Signal CtrlVol. +29dB1dB +29dB1dB stepsHPLHPRData InterfaceminiDSPSPI / I2 CControl BlockPin Muxing/ Clock RoutingSecondaryI2S IFPrimaryI2S InterfaceInterruptCtrlALDOPLLMic BiasINLINRSPI_SelectMicbiasSuppliesAVssD VssIOVssDVddIOVddSDA/MOSIDMCLK/MFP4 DMDIN/MFP3 MCLKDOUT/MFP2 IFGPIO(YZK Pkg only)ResetminiDSPDAC Signal Signal MARCH2010 UltraLowPowerStereoAudioCodecWithEmbedde dminiDSPC heckforSamples:TLV320 AIC32531 FEATURESAPPLICATIONS MobileHandsets2 StereoAudioDACwith100dBSNR Communication PortableComputing PowerTune ExtensiveSignalProcessingOptionsDESCRIPT ION EmbeddedminiDSPTheTLV320 AIC3253(sometimesreferredtoasthe StereoDigitalMicrophoneInputAIC3253)

2 Isa flexible,low- Power ,low-voltagestereo StereoHeadphoneOutputsaudiocodecwithdigi talmicrophoneinputsandprogrammableoutput s,PowerTunecapabilities, LowPowerAnalogBypassModefully-programmab leminiDSP,fixedpredefinedand ProgrammablePLLparameterizablesignalproc essingblocks,integrated IntegratedLDOPLL, , 4mmQFNinput/outputchannelconfiguration,g ains,effects,Packagepin-multiplexingandc locksisincluded, ,standardwarranty,andusein a 2010, (CONTINUED)CombinedwiththeadvancedPowerT unetechnology,thedevicecancoveroperation sfrom8kHzmonovoiceplaybacktostereo192kHz DACplayback,makingit stereodigitalmicrophonePDMinterface(nota vailablewhenusingSPIcontrolinterface) ,truedifferentialoutputsignal, ,includingstereo, dockedenvironmentpowerconsumptiontypical lyislessofaconcernwhilelowestpossiblenoi seis ,andfordigitalit is ,a low-dropoutregulator(LDO)

3 Is ,includingtheMCLKpin,theBCLKpin,theGPIO pinortheoutputoftheinternalPLL,wherethei nputtothePLLagaincanbederivedfromtheMCLK pin, ,fractionalPLLensurestheavailabilityofa suitableclocksignal,it is highlyprogrammableandcanacceptavailablei nputclocksin availablein 2010,TexasInstrumentsIncorporatedProduct FolderLink(s):TLV320 AIC3253 BCDEA1 2 3 4 5 DVssDVddIOVdd (24)SDA/MOSIDMCLK/MFP4 HPRLDOinHPLDOUT/MFP2 DIN/MFP1 WCLKBCLKMCLK (1)MICBIASREFINRINLAVssAVddDMDIN/MFP3 MARCH2010 PackageandSignalDescriptionsPackaging/Or deringInformationPRODUCTPACKAGEPACKAGEOP ERATINGORDERINGTRANSPORTMEDIA,DESIGNATOR TEMPERATURENUMBERQUANTITYRANGES-XBGA-N25 YZK 40 C to85 CTLV320 AIC3253 IYZKTT apeandReel,250 TLV320 AIC3253 IYZKRT apeandReel,3000 TLV320 AIC3253S-PQFP-NRGE 40 C to85 CTLV320 AIC3253 IRGETT apeandReel,250 TLV320 AIC3253 IRGERT apeandReel, (YZK)Package, (RGE)

4 Package,BottomViewCopyright 2010,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLink(s):TLV320 AIC3253 TLV320 AIC3253 SLOS631 (1)(2)QFNPINWCSPBALL1A1 MCLKIM asterClockInput2B2 BCLKIOA udioserialdatabus(primary)bitclock3B3 WCLKIOA udioserialdatabus(primary)wordclock4A2 DIN/MFP1 IPrimaryfunctionAudioserialdatabusdatain putSecondaryfunctionDigitalMicrophoneInp utGeneralPurposeInput5A3 DOUT/MFP2 OPrimaryAudioserialdatabusdataoutputSeco ndaryGeneralPurposeOutputClockOutputINT1 OutputINT2 OutputAudioserialdatabus(secondary)bitcl ockoutputAudioserialdatabus(secondary)wo rdclockoutput6A5 DMDIN/IPrimary(SPI_Select= 1)

5 MFP3/SPIserialclockSCLKS econdary:(SPI_Select= 0)DigitalmicrophoneinputHeadsetdetectinp utAudioserialdatabus(secondary)bitclocki nputAudioserialdatabus(secondary)DAC/com monwordclockinputAudioserialdatabus(seco ndary)ADCwordclockinputAudioserialdatabu s(secondary)datainputGeneralPurposeInput 7A4 SCL/II2C interfaceserialclock(SPI_Select= 0)SSSPI interfacemodechip-selectsignal(SPI_Selec t= 1)8B4 SDA/MOSIII2C interfacemodeserialdatainput(SPI_Select= 0)SPIinterfacemodeserialdatainput(SPI_Se lect= 1)9B5 DMCLK/OPrimary(SPI_Select= 1)MFP4/SerialdataoutputMISOS econdary(SPI_Select= 0)Multifunctionpin#4(MFP4)optionsareonly availableusingI2 CDigitalmicrophoneclockoutputGeneralpurp oseoutputCLKOUT outputINT1outputINT2outputAudioserialdat abus(primary)ADCwordclockoutputAudioseri aldatabus(secondary)dataoutputAudioseria ldatabus(secondary)bitclockoutputAudiose rialdatabus(secondary)wordclockoutput10C 5 HPROR ighthigh-poweroutputdriver11D5 (1)FormultipleBGAB allsassignedtothesamepin-name,it isnecessarytoconnectthemonthePCB.

6 (2)FormultipleBGAB allsassignedtothesamepin-name,it 2010,TexasInstrumentsIncorporatedProduct FolderLink(s) MARCH2010 TERMINALFUNCTIONS(continued)TERMINALNAME TYPEDESCRIPTION(1)(2) ,FilteringoutputwhenA-LDOenabled14E4 AVSSG roundAnaloggroundsupply15E5 INLILeftAnalogBypassInput16E3 INRIR ightAnalogBypassInput17E2 REFOR eferencevoltageoutputforfiltering18D2 MICBIASOM icrophonebiasvoltageoutput19E1 SPI_SELECTIC ontrolmodeselectpin( 1 = SPI,0 = I2C)20C2 RESETIR eset(activelow) (secondary)bitclockoutputAudioserialdata bus(secondary)wordclockoutputDigitalmicr ophoneclockoutputCopyright 2010,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLink(s).

7 TLV320 AIC3253 TLV320 AIC3253 SLOS631 (unlessotherwisenoted)(1)VALUEUNITAV ddtoAVss + + 40to85 CStoragetemperaturerange 55to125 CJunctiontemperature(TJMax)105 CS-XBGANanoFreePowerdissipation(TJMax TA)/qJAWpackage(YZK)qJAThermalimpedance4 8C/W(1)Stressesbeyondthoselistedunder absolutemaximumratings ,andfunctionaloperationofthedeviceatthes eoranyotherconditionsbeyondthoseindicate dunder recommendedoperatingconditions is (1)PowerSupplyVoltageRangeReferencedtoAV ss(2) (2) (2) (3) (D> 0),P=1,DVdd (Seetablein SLAU303,MaximumTLV320 AIC3253 ClockFrequencies) (D= 0),P=1,DVdd (RefertotableinSLAU303,MaximumTLV320 AIC3253 ClockFrequencies)MCLKM asterClockFrequencyMCLK;MasterClockFrequ ency;DVdd , CLoutDigitaloutputloadcapacitance10pFCre fReferencedecouplingcapacitor(4)110 F(1)Minimumspecappliesif LDOis LDOis (2)Allgroundsonboardaretiedtogether,soth eyshouldnotdifferin ,foranycombinationofgroundsignals.

8 (3) , SLAU303,MaximumTLV320 AIC3253 ClockFrequenciesfordetailsonmaximumclock frequencies.(4)ForCref< 10 F, 2010,TexasInstrumentsIncorporatedProduct FolderLink(s) MARCH2010 ElectricalCharacteristics,BypassOutputsA t25 C,AVdd,DVdd,IOVDD= ,LDO_in= ,AVddLDOdisabled,fs(Audio)= 48kHz,Cref= 10mF onREFPIN, ,DIRECTMODELoad= 16 (single-ended),50pF;InputandOutputCM= ;DeviceSetupHeadphoneOutputonLDOINS upply;INLroutedtoHPLandINRroutedtoHPR;Ch annelGain=0dBGainError ,A-weighted(1)IdleChannel,INLandINRac-sh ortedto3mVRMS groundTHDT otalHarmonicDistortion446mVrms,1-kHzinpu tsignal 82dB(1)

9 Allperformancemeasurementsdonewith20-kHz low-passfilterand,wherenoted, filtermayresultin higherTHD+NandlowerSNRanddynamicrangerea dingsthanshownin ,which,althoughnotaudible,mayaffectdynam icspecificationvaluesElectricalCharacter istics,MicrophoneInterfaceAt25 C,AVdd,DVdd,IOVDD= ,LDO_in= ,AVddLDOdisabled,Cref= 10mF onREFPIN, ,LDOin= ,noloadMicbiasMode0, , , ,ConnecttoAVddAVddVMicbiasMode3,Connectt oLDOinLDOinVCM= ,LDOin= , , , ,ConnecttoAVddAVddVMicbiasMode3,Connectt oLDOinLDOinVOutputNoiseCM= ,MicbiasMode2,A-weighted,20Hz10to20kHzba ndwidth,mVRMSC urrentload= ,ConnecttoLDOin3mAMicbiasMode3,Connectto AVdd160 InlineResistance MicbiasMode3,ConnecttoLDOin110 Copyright 2010,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLink(s).

10 TLV320 AIC3253 TLV320 AIC3253 SLOS631 ,AudioOutputsAt25 C,AVdd,DVdd,IOVDD= ,LDO_in= ,AVddLDOdisabled,fs(Audio)= 48kHz,Cref= 10mF onREFPIN, StereoSingle-EndedHeadphoneOutputLoad= 16 (single-ended),50pFHeadphoneOutputonAVdd Supply,Input& OutputCM= ,DOSR= 128,DeviceSetupMCLK=256*fs, ChannelGain=0dBwordlength= 16bits;ProcessingBlock= PRB_P1 PowerTune= PTM_P3 Fullscaleoutputvoltage(0dB) ,A-weighted(1)(2)AllzerosfedtoDACinput,m odulatorin88100dBexcitedstateDRDynamicra nge,A-weighted(1)(2) 60dB1kHzinputfull-scalesignal,Word99dBLe ngth= 20bits,PowerTune= PTM_P4 THD+NTotalHarmonicDistortionplusNoise 3dBfull-scale,1-kHzinputsignal 80 70dBDACGainError0dB,1kHzinputfullscalesi gnal 1dB,1kHzsignal,betweenleftandrightHP92dB out100mVpp,1kHzsignalappliedtoAVdd70dBDA CPSRR100mVpp,217 HzsignalappliedtoAVdd75dBRL=16 , OutputStageonAVdd= < 1%,InputCM= ,OutputCM= ,ChannelGain=2