20-WMONO CLASS-DAUDIO POWER AMPLIFIER - TI.com

1 PO Output POWER W0102030405060708090048121620 Efficiency %EFFICIENCYvsOUTPUT POWERVCC = 18 V4 8 ZL Load Impedance 579111315171921PO Maximum Output POWER WMAXIMUM OUTPUT POWERvsLOAD IMPEDANCETA = 25 C,10% THD MaximumVCC = 18 VVCC = 15 VVCC = 12 DECEMBER2002 REVISEDAUGUST201020-WMONOCLASS-DAUDIOPOW ERAMPLIFIERC heckforSamples:TPA3001D11 FEATURESDESCRIPTION23 20 WInto8- LoadFrom18-VSupply(10%TheTPA3001D1(somet imesreferredtoasTHD+N)TPA3001)is a 20-Wmonauralbridge-tiedload(BTL)class-Da udiopoweramplifier(class-Damp)withhigh Short-CircuitProtection(ShorttoVCC, Shorttoefficiency, ,ShortBetweenOutputs)TPA3001D1candrive4- or8- speakerswithonly Third-GenerationModulationTechnique:a ferritebeadfilterrequiredtoreduceEMI.

2 ReplacesLargeLCFilterWithSmall,Thegainof theamplifieriscontrolledbytwoinputLow-Co stFerriteBeadFilterinMostterminals, gainof12,18, , ImprovedSNRrejection. LowSupplyCurrent:8 mATypat12 VTheamplifieralsoincludesdepopcircuitryt oreduce ShutdownControl:< 1mA Typtheamountofpopatpower-upandwhencyclin g Space-Saving, PackagingTheTPA3001D1(TPA3001)is availableinthe24-pinthermallyenhancedTSS OP package(PWP),whichAPPLICATIONS eliminatestheneedforanexternalheatsink. LCDM onitors/TVs Hands-FreeCarKits PoweredSpeakers1 Pleasebeawarethatanimportantnoticeconcer ningavailability,standardwarranty,anduse in a 2002 2010, 56789101112242322212019181716151413 INNINPGAIN0 GAIN1 SHUTDOWNPGNDVCLAMPBSNPVCCOUTNOUTNPGNDVCC VREFBYPASSCOSCROSCAGNDAGNDBSPPVCCOUTPOUT PPGNDPWP PACKAGE(TOP VIEW)TPA3001D1 SLOS398E DECEMBER2002 (1)PACKAGEDDEVICESTATSSOP(PWP)(2) 40 C to85 CTPA3001D1 PWP(1)Forthemostcurrentpackageandorderin ginformation,seethePackageOptionAddendum attheendofthisdocument, (2)

3 ThePWPpackageis tapedandreeledpart,addthesuffixR tothepartnumber( ,TPA3001D1 PWPR). ,19 AnaloggroundterminalBootstrapterminalfor high-sidegatedriveofnegativeBTLoutput(co nnecta capacitorwitha 51- BSN8 Iresistorin seriesfromOUTNtoBSN)Bootstrapterminalfor high-sidegatedriveofpositiveBTLoutput(co nnecta capacitorwitha 51- BSP17 Iresistorin seriesfromOUTPtoBSP)BYPASS22 IConnect1-mF capacitortogroundforBYPASS voltagefilteringCOSC21 IConnecta 220-pFcapacitortogroundtosetoscillationf requencyGAIN03 IBit0 ofgaincontrol(seeTable1 forgainsettings)GAIN14 IBit1 ofgaincontrol(seeTable1 forgainsettings)

4 INN1 INegativedifferentialinputINP2 IPositivedifferentialinputOUTN10,11 ONegativeBTLoutput,connectSchottkydiodef romPGNDtoOUTN forshort-circuitprotectionOUTP14,15 OPositiveBTLoutput,connectSchottkydiodef romPGNDtoOUTP forshort-circuitprotectionPGND6,12,13 PowergroundPVCC9,16 IHigh-voltagepowersupply(foroutputstages )ROSC20 IConnecta 120-k resistortogroundtosetoscillationfrequenc ySHUTDOWN5 IShutdownterminal(negativelogic),TTLcomp atible,21-VcompliantVCC24 IAnaloghigh-voltagepowersupplyVCLAMP7 OConnect1-mF capacitortogroundtoprovidereferencevolta geforH-bridgegatesVREF23O5-Vinternalregu latorforcontrolcircuitry(connecta to1-mF capacitortoground)ConnecttoAGNDandPGND ThermalviasonthePCBshouldconnectthispadt oa 2002 2010,TexasInstrumentsIncorporatedProduct FolderLink(s).

5 TPA3001D1 GateDrive_+GateDrive_+_+_+GainAdjustGain AdjustStart-UpProtectionLogicShort-Circu itDetectThermalVCC OKRampGeneratorBiasesandReferencesGain2 AGNDVREFVREFPVCCINNOUTNPGNDPVCCOUTPPGNDI NPSHUTDOWNGAIN1 GAIN0 COSCROSCBYPASSSD_+_+ DECEMBER2002 REVISEDAUGUST2010 FUNCTIONALBLOCKDIAGRAMABSOLUTEMAXIMUMRAT INGS overoperatingfree-airtemperaturerange(un lessotherwisenoted)(1)UNITS upplyvoltage:VCC,PVCC to21 VLoadimpedance,ZL SHUTDOWN toVCC+ ,GAIN1 ,INP to7 VContinuoustotalpowerdissipationSeetheTh ermalInformationTableOperatingfree-airte mperaturerange,TA 40 C to85 COperatingjunctiontemperaturerange,TJ 40 C to150 CStoragetemperaturerange,Tstg 65 C to150 C(1) ,andfunctionaloperationofthedeviceatthes eoranyotherconditionsbeyondthoseindicate dunderRecommendedOperatingConditionsis 2002 2010,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLink(s).

6 TPA3001D1 TPA3001D1 SLOS398E DECEMBER2002 (1)(2)UNITSPWP(24 Pins) (top) (bottom) (1)Formoreinformationabouttraditionaland newthermalmetrics,seetheICPackageThermal Metricsapplicationreport,SPRA953.(2)Fort hermalestimatesofthisdevicebasedonPCBcop perarea, ,VCC,PVCCZL (1)818 VLoadimpedance, High-levelinputvoltage,VIHGAIN0,GAIN1,SH UTDOWN2 VLow-levelinputvoltage,VILGAIN0,GAIN1, ,TA 4085 C(1)TheTPA3001D1mustnotbeusedwithanyspea kerorload(includingspeakerwithoutputfilt er) 25 C,PVCC= VCC= 12V (unlessotherwisenoted)PARAMETERSTESTCOND ITIONSMINTYPMAXUNITVI= 0 V,AV= 12,18, (measured|VOS|mVdifferentially)

7 VI= 0 V,AV= 36dB100 PSRRP owersupplyrejectionratioPVCC= 73dB|IIH|High-levelinputcurrentPVCC= 12V,VI= PVCC1mA|IIL|Low-levelinputcurrentPVCC= 12V,VI= 0 V1mASHUTDOWN= 2 V,noload815mAICCS upplycurrentSHUTDOWN= VCC, VCC= 18V,PO= 20W, 8 ICC(SD)Supplycurrent,shutdownmodeSHUTDOW N= 120k , COSC= 220pF250kHzrds(on)Outputtransistoronresi stance(total)IO= 1 A,TJ= 25 GAIN1= ,GAIN0= ,GAIN0= 2 2 V,GAIN0= 2 V,GAIN0= 2 VCC= 12V,TA= 25 C (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITf = 1 kHz,RL= 4 +Nf = 1 kHz,RL= 8 9 POWf = 1 kHz,RL= 4 +Nf = 1 kHz,RL= 8 +NTotalharmonicdistortionplusnoisePO= 10W,RL= 4 , f = 1%20kHz4 SubmitDocumentationFeedbackCopyright 2002 2010,TexasInstrumentsIncorporatedProduct FolderLink(s) DECEMBER2002 REVISEDAUGUST2010 OPERATINGCHARACTERISTICS(continued)PVCC= VCC= 12V,TA= 25 C (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITkSVRS upplyripplerejectionratiof = 1 kHz,C(BYPASS)= 1mF 70dBSNRS ignal-to-noiseratioPO= 10W,RL= 4 95dB86mV(rms)C(BYPASS)

8 = 1mF,f = 20 Hzto22kHz,noweightingfilterused,gain= 12dB 81dBVVnNoiseoutputvoltage66mV(rms)C(BYPA SS)= 1mF,f = 20 Hzto22kHz,A-weightedfilter,gain= 12dB 84dBVZII nputimpedanceSeeTable1.> 23k OPERATINGCHARACTERISTICSPVCC= VCC= 18V,TA= 25 C (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITf = 1 kHz,RL= 4 +Nf = 1 kHz,RL= 8 20 POWf = 1 kHz,RL= 4 +Nf = 1 kHz,RL= 8 16PO= 15W,RL= 8 , f = 20 Hzto20kHz1%THD+NTotalharmonicdistortionp lusnoisePO= 2 W,RL= 8 , f = 1%20kHzkSVRS upplyripplerejectionratiof = 1 kHz,CBYPASS= 1mF 70dBSNRS ignal-to-noiseratioPO= 15W,RL= 8 102dB86mV(rms)C(BYPASS)= 1mF,f = 20 Hzto20kHz,noweightingfilterused,gain= 12dB 81dBVVnNoiseoutputvoltage66mV(rms)C(BYPA SS)

9 = 1mF,f = 20 Hzto22kHz,A-weightedfilter,gain= 12dB84dBVZII nputimpedanceSeeTable1.>23k SPACERTYPICALCHARACTERISTICST ableofGraphsFIGUREE fficiencyvsOutputpower1 POMaximumoutputpowervsLoadimpedance2,3,4 ICCS upplycurrent5vsSupplyvoltageICC(SD)Shutd owncurrent67,8,9,10,11,12,13,14,15,16,vs Outputpower17,18 THD+NTotalharmonicdistortion+ noisevsFrequency19,20,21,22,23,24,25kSVR S upplyvoltagerejectionratio26 GainandphasevsFrequency27 CMRRC ommon-moderejectionratio28 VIOI nputoffsetvoltagevsCommon-modeinputvolta ge29 Copyright 2002 2010,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLink(s).

10 TPA3001D1PO Output POWER W010203040506070809002468101214 Efficiency %4 8 VCC = 12 VZL Load Impedance 579111315171921PO Maximum Output POWER WTA = 25 C,10% THD MaximumVCC = 18 VVCC = 15 VVCC = 12 45678910ZL Load Impedance 579111315171921PO Maximum Output POWER WVCC = 18 VVCC = 15 VVCC = 12 45678910TA = 45 CZL Load Impedance 579111315171921PO Maximum Output POWER WVCC = 18 VVCC = 15 VVCC = 12 45678910TA = 60 CTPA3001D1 SLOS398E DECEMBER2002 2002 2010,TexasInstrumentsIncorporatedProduct FolderLink(s):TPA3001D167891011810121416 18 VCC Supply Voltage VICC Supply Current mAVCC Supply Voltage V01234581012141618 ICC(SD) Shutdown Current ASHUTDOWN = VPO Output POWER W05101520 THD+N Total Harmonic Distortion + Noise % kHz20 kHz20 HzVCC = 18 VRL = 8 Gain = 12 dBPO Output POWER W05101520 THD+N Total Harmonic Distortion + Noise %VCC = 18 VRL = 8 Gain = 36 kHz20 kHz20 DECEMBER2002 + NOISETOTALHARMONICDISTORTION+ 2002 2010,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLink(s).