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16 Bits, Low Power Stereo Audio CODEC w/Microphone Bias Headphone & Speaker Amp PDF

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Preview 16 Bits, Low Power Stereo Audio CODEC w/Microphone Bias Headphone & Speaker Amp

PCM3793 is Not Recommended for New Designs (cid:2)(cid:17)(cid:14)(cid:14)(cid:20)(cid:2)(cid:14)(cid:13)(cid:18)(cid:12) (cid:4)(cid:14)(cid:13)(cid:8)(cid:17)(cid:7)(cid:16)(cid:15) (cid:10)(cid:14)(cid:13)(cid:11) (cid:5)(cid:9)(cid:19)(cid:6)(cid:15) (cid:3)(cid:12)(cid:15)(cid:16)(cid:14)(cid:17)(cid:11)(cid:9)(cid:12)(cid:16)(cid:15) PCM3793 PCM3794 SLES193C–AUGUST2006–REVISEDFEBRUARY2007 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier FEATURES • 2(I2C)or3(SPI)WireSerial Control • AnalogFrontEnd: • Programmable FunctionbyRegisterControl: – Stereo Single-EndedInputWithMultiplexer – DigitalAttenuationofDAC:0dBto–62 dB – Mono DifferentialInput – Power Up/DownControlforEachModule – Stereo ProgrammableGainAmplifier – 6-dBto–70-dBGainforAnalogOutputs – MicrophoneBoostAmplifier(20dB)and – 30-dBto–12-dBGainforAnalogInputs Bias – 0/20dBBoostSelectableforMicrophone • AnalogBackEnd: Input – Stereo/MonoLineOutputWithVolume – 0-dBto–21-dBGainforAnalogMixing – Stereo/MonoHeadphoneAmplifierWith – ParameterSettingsfor ALC Volumeand CaplessMode – Three-BandTone Controland3DSound – Stereo/MonoDigitalSpeakerAmplifier – High-PassFilterandTwo-StageNotch (BTL)WithVolume(PCM3793) Filter • AnalogPerformance: – AnalogMixing – DynamicRange:93dB(DAC) • Pop-NoiseReductionCircuit – DynamicRange:90dB(ADC) • ShortandThermal ProtectionCircuit – 40-mW+40-mWHeadphoneOutput at • Package: 5-mm· 5-mmQFNPacakge RL=16W • OperationTemperatureRange:–40(cid:176)Cto85 (cid:176)C – 700-mW+700-mWSpeakerOutputat R =8W APPLICATIONS L • Power SupplyVoltage • PortableAudioPlayer,CellularPhone – 1.71Vto3.6V forDigitalI/OSection • VideoCamcorder, Digital Still Camera – 1.71Vto3.6V forDigitalCoreSection • PMP/DMB – 2.4Vto3.6V forAnalogSection DESCRIPTION – 2.4Vto3.6V forPowerAmplifierSection • LowPowerDissipation: The PCM3793/94 is a low-power stereo CODEC designed for portable digital audio applications. The – 7mW inPlayback,1.8V/2.4V,48kHz device integrates stereo digital speaker amplifier, – 13mW inRecord, 1.8V/2.4V,48kHz headphone amplifier, line amplifier, line input, boost – 30m WinPower Down amplifier, microphone bias, programmable gain control, analog mixing, sound effects, and automatic • SamplingFrequency:5kHzto50kHz level control (ALC). It is available in a small-footprint, • AutomaticLevelControlforRecording 5-mm · 5-mm QFN package. The PCM3793/94 • OperationFromaSingleClockInputWithout accepts right-justified, left-justified, I2S, and DSP PLL formats, providing easy interfacing to audio DSP, decoder, and encoder chips. Sampling rates up to 50 • SystemClock: kHz are supported. The user-programmable – Common-AudioClock(256fS/384fS), 12/24, functions are accessible through a two- or three-wire 13/26,13.5/27,19.2/38.4,19.68/39.36MHz serialcontrolport. • HeadphonePlugInsertDetection Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet. PRODUCTIONDATAinformationiscurrentasofpublicationdate. Copyright©2006–2007,TexasInstrumentsIncorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarilyincludetestingofallparameters. PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriateprecautions.Failuretoobserveproperhandlingandinstallationprocedurescancausedamage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. ORDERINGINFORMATION OPERATION PACKAGE PACKAGE ORDERING PRODUCT PACKAGE TEMPERATURE TRANSPORTMEDIA CODE MARKING NUMBER(1) RANGE PCM3793RHBT Smalltapeandreel PCM3793RHB 32QFN RHB –40(cid:176)Cto85 (cid:176)C PCM3793 PCM3793RHBR Largetapeandreel PCM3794RHBT Smalltapeandreel PCM3794RHB 32QFN RHB –40(cid:176)Cto85 (cid:176)C PCM3794 PCM3794RHBR Largetapeandreel (1) Forthemostcurrentspecificationandpackageinformation,seetheTIWebsiteatwww.ti.com. ABSOLUTE MAXIMUM RATINGS overoperatingfree-airtemperaturerange(unlessotherwisenoted)(1) PCM3793/94 UNIT Supplyvoltage V ,V ,V ,V –0.3to4 V DD IO CC PA Groundvoltagedifferences:DGND,AGND,PGND – 0.1 V Inputvoltage –0.3to4 V Inputcurrent(anypinsexceptsuppliesandSPKout) ±10 mA Ambienttemperatureunderbias –40to110 (cid:176)C Storagetemperature –55to150 (cid:176)C Junctiontemperature 150 (cid:176)C Leadtemperature(soldering) 260 (cid:176)C,5s Packagetemperature(reflow,peak) 260 (cid:176)C (1) Stressesbeyondthoselistedunderabsolutemaximumratingsmaycausepermanentdamagetothedevice.Thesearestressratings only,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderrecommendedoperating conditionsisnotimplied.Exposuretoabsolute–maximum–ratedconditionsforextendedperiodsmayaffectdevicereliability. RECOMMENDED OPERATING CONDITIONS overoperatingfree-airtemperaturerange(unlessotherwisenoted) MIN NOM MAX UNIT V ,V Analogsupplyvoltage 2.4 3.3 3.6 V CC PA V ,V Digitalsupplyvoltage 1.71 3.3 3.6 V DD IO Digitalinputlogicfamily CMOS SCKIsystemclock 3.072 18.432 MHz Digitalinputclockfrequency LRCKsamplingclock 8 48 kHz LOLandLOR 10 kW Analogoutputloadresistance HPOLandHPOR 16 W SPOLP,SPOLN,SPORPandSPORN 8 W Analogoutputloadcapacitance 30 pF Digitaloutputloadcapacitance 10 pF T Operatingfree-airtemperature –40 85 (cid:176)C A 2 SubmitDocumentationFeedback PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 ELECTRICAL CHARACTERISTICS AllspecificationsatT =25(cid:176)C,V =V =V =V =3.3V,f =48kHz,systemclock=256f ,and16-bitdata(unless A DD IO CC PA S S otherwisenoted). PCM3793RHB,PCM3794RHB PARAMETER TESTCONDITIONS UNIT MIN TYP MAX AudioDataCharacteristics DATAFORMAT Resolution 16 Bits Audiodatainterfaceformat I2S,left-,right-justified,DSP Audiodatabitlength 16 Bits Audiodataformat MSBfirst,2scomplement Samplingfrequency(f ) 5 50 kHz S V <2V 27 DD Systemclock MHz V >2V 40 DD DigitalInput/Output Logicfamily CMOScompatible V 0.7V VDC IH IO Inputlogiclevel V 0.3V VDC IL IO I V =3.3V 10 IH Inputlogiccurrent IN m A I V =0V –10 IL IN V I =–2mA 0.75V VDC OH OH IO Outputlogiclevel V I =2mA 0.25V VDC OL OL IO DigitalInputtoLineOutputThroughDAC(LOL,LOR,andMONO) R =10kW ,ALC=OFF,volume=0dB,speaker=powereddown,analogmixing=disabled L DYNAMICPERFORMANCE 0dB 2.828 Vp-p Full-scaleoutputvoltage 1 Vrms Dynamicrange EIAJ,A-weighted 93 dB SNR Signal-to-noiseratio EIAJ,A-weighted 86 93 dB Channelseparation 91 dB THD+N Totalharmonicdistortion+noise 0dB 0.008% Loadresistance 10 kW LineInputtoLineOutputThroughMixingPath(LOL,LOR,andMONO) R =10kW ,ALC=OFF,volume=0dB,speaker=powereddown,analogmixing=enabled L DYNAMICPERFORMANCE Full-scaleinputandoutput 2.828 Vp-p 0dB voltage 1 Vrms SNR Signal-to-noiseratio EIAJ,A-weighted 84 93 dB SubmitDocumentationFeedback 3 PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 ELECTRICAL CHARACTERISTICS (continued) AllspecificationsatT =25(cid:176)C,V =V =V =V =3.3V,f =48kHz,systemclock=256f ,and16-bitdata(unless A DD IO CC PA S S otherwisenoted). PCM3793RHB,PCM3794RHB PARAMETER TESTCONDITIONS UNIT MIN TYP MAX DigitalInputtoHeadphoneOutputThroughDAC(HPOLandHPOR) R =16W or32W ,ALC=OFF,volume=0dB,speaker=powereddown,analogmixing=disabled,notcaplessmode L DYNAMICPERFORMANCE 2.828 Vp-p Full-scaleoutputvoltage 0dB 1 Vrms SNR Signal-to-noiseratio EIAJ,A-weighted 84 93 dB 30mW,R =32W ,volume=0dB 0.1% L THD+N Totalharmonicdistortion+noise 40mW,R =16W ,volume=–1dB 0.03% L Loadresistance 16 W 200Hz,140mVp-p –40 PSRR Power-supplyrejectionratio 1kHz,140mVp-p –45 dB 20kHz,140mVp-p –32 LineInputtoHeadphoneOutputThroughMixingPath(HPOLandHPOR) R =16W or32W ,ALC=OFF,volume=0dB,speaker=powereddown,analogmixing=enabled,notcaplessmode L DYNAMICPERFORMANCE 2.828 Vp-p Full-scaleoutputvoltage 0dB 1 Vrms SNR Signal-to-noiseratio EIAJ,A-weighted 84 93 dB Loadresistance 16 W DigitalInputtoSpeakerOutputThroughDAC(SPOLP,SPOLN,SPORP,andSPORN):PCM3793 R =8W ,ALC=OFF,volume=0dB,headphone=powereddown,analogmixing=disabled L DYNAMICPERFORMANCE 2.52 Vp-p Full-scaleoutputvoltage 0dB 0.9 Vrms SNR Signal-to-noiseratio EIAJ,A-weighted 84 93 dB THD+N Totalharmonicdistortion+noise 400mW,R =8W ,volume=0dB 0.3% L Loadresistance 8 W 200Hz,140mVp-p –50 PSRR Power-supplyrejectionratio 1kHz,140mVp-p –45 dB 20kHz,140mVp-p –25 LineInputtoSpeakerOutputThroughMixingPath(SPOLP,SPOLN,SPORP,andSPORN):PCM3793 R =8W ,ALC=OFF,volume=0dB,headphone=powereddown,analogmixing=enabled L DYNAMICPERFORMANCE 2.52 Vp-p Full-scaleoutputvoltage 0dB 0.9 Vrms SNR Signal-to-noiseratio EIAJ,A-Weighted 84 93 dB 4 SubmitDocumentationFeedback PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 ELECTRICAL CHARACTERISTICS (continued) AllspecificationsatT =25(cid:176)C,V =V =V =V =3.3V,f =48kHz,systemclock=256f ,and16-bitdata(unless A DD IO CC PA S S otherwisenoted). PCM3793RHB,PCM3794RHB PARAMETER TESTCONDITIONS UNIT MIN TYP MAX LineInputtoDigitalOutputThroughADC(AIN1L/R,AIN2L/R,AIN3L,andAIN3L/R) ALC=OFF,microphoneboost=0dB,PGA=0dB,speakerandheadphone=powereddown,analogmixing=disabled DYNAMICPERFORMANCE 2.828 Vp-p Full-scaleinputvoltage 0dB 1 Vrms Dynamicrange EIAJ,A-weighted 90 dB SNR Signal-to-noiseratio EIAJ,A-weighted 83 90 dB Channelseparation 87 dB THD+N Totalharmonicdistortion+noise –1dB 0.009% ANALOGINPUT Centervoltage 0.5V V CC Inputimpedance 10 20 kW MicrophoneBias ALC=OFF,microphoneboost=0dB,PGA=0dB,speakerandheadphone=powereddown,analogmixing=disabled Biasvoltage 0.75V V CC Biassourcecurrent 2 mA Outputnoise 14 m V FilterCharacteristics INTERPOLATIONFILTERFORDAC Passband 0.454f S Stopband 0.546f S Pass-bandripple – 0.04 dB Stop-bandattenuation –50 dB Groupdelay 19/f s s De-emphasiserror – 0.1 dB ANALOGFILTERFORDAC Frequencyresponse f=20kHz – 0.2 dB DECIMATIONFILTERFORADC Passband 0.408f S Stopband 0.591f S Pass-bandripple – 0.02 dB Stop-bandattenuation f<3.268f –60 dB S Groupdelay 17/f s S HIGH-PASSFILTERFORADC –3dB,f =4Hz 3.74 c –0.5dB,f =4Hz 10.66 c –0.1dB,f =4Hz 24.2 c Frequencyresponse Hz –3dB,f =240Hz 235.68 c –0.5dB,f =240Hz 609.95 c –0.1dB,f =240Hz 2601.2 c SubmitDocumentationFeedback 5 PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 ELECTRICAL CHARACTERISTICS (continued) AllspecificationsatT =25(cid:176)C,V =V =V =V =3.3V,f =48kHz,systemclock=256f ,and16-bitdata(unless A DD IO CC PA S S otherwisenoted). PCM3793RHB,PCM3794RHB PARAMETER TESTCONDITIONS UNIT MIN TYP MAX PowerSupplyandSupplyCurrent V V 1.71 3.3 3.6 IO IO V V 1.71 3.3 3.6 DD DD Voltagerange VDC V V 2.4 3.3 3.6 CC CC V V 2.4 3.3 3.6 PA PA BPZinput,allactive,noload 24.3 35 mA Supplycurrent Allinputsareheldstatic 9 50 m A BPZinput 80.2 115.5 mW Powerdissipation Allinputsareheldstatic 30 165 m W TemperatureCondition Operationtemperature –40 85 (cid:176)C q Thermalresistance 30 (cid:176)C/W JA 6 SubmitDocumentationFeedback PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 PIN ASSIGNMENTS PCM3793RHB (TOPVIEW) L O L AIN2R AIN3L AIN3R MICB VCC AGND VCOM HPOL/ 24 23 22 21 20 19 18 17 AIN2L 25 16 HPOR/LOR AIN1R 26 15 SPOLP AIN1L 27 14 SPOLN MODE 28 13 PGND MS/ADR 29 12 V PA MD/SDA 30 11 SPORP MC/SCL 31 10 SPORN LRCK 32 9 HPCOM/MONO 1 2 3 4 5 6 7 8 BCK DIN OUT VIO VDD GND SCKI HDTI D D P0048-03 PCM3794RHB (TOPVIEW) L O L AIN2R AIN3L AIN3R MICB VCC AGND VCOM HPOL/ 24 23 22 21 20 19 18 17 AIN2L 25 16 HPOR/LOR AIN1R 26 15 NC AIN1L 27 14 NC MODE 28 13 PGND MS/ADR 29 12 V PA MD/SDA 30 11 NC MC/SCL 31 10 NC LRCK 32 9 HPCOM/MONO 1 2 3 4 5 6 7 8 BCK DIN OUT VIO VDD GND SCKI HDTI D D P0048-04 SubmitDocumentationFeedback 7 PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 Table1. TERMINALFUNCTIONS TERMINAL I/O DESCRIPTION NAME PCM3793RHB PCM3794RHB AGND 19 19 – Groundforanalog AIN1L 27 27 I Analoginput1forL-channel AIN1R 26 26 I Analoginput1forR-channel AIN2L 25 25 I Analoginput2forL-channel AIN2R 24 24 I Analoginput2forR-channel AIN3L 23 23 I Analoginput3forL-channel AIN3R 22 22 I Analoginput3forR-channel BCK 1 1 I/O Serialbitclock DGND 6 6 – Digitalground DIN 2 2 I Serialaudiodatainput DOUT 3 3 O Serialaudiodataoutput HDTI 8 8 I Headphonepluginsertiondetection HPCOM/MONO 9 9 O Headphonecommon/monolineoutput HPOL/LOL 17 17 O Headphone/lineoutforR-channel HPOR/LOR 16 16 O Headphone/lineoutforL-channel LRCK 32 32 I/O Leftandrightchannelclock MC/SCL 31 31 I Modecontrolclockforthree-wire/two-wireinterface MD/SDA 30 30 I/O Modecontroldataforthree-wire/two-wireinterface MICB 21 21 O Microphonebiassourceoutput MODE 28 28 I Two-orthree-wireinterfaceselection(LOW:SPI,HIGH:I2C) MS/ADR 29 29 I Modecontrolselectforthree-wire/two-wireinterface PGND 13 13 – Groundforspeakerpoweramplifier SCKI 7 7 I Systemclock SPOLN 14 – O SpeakeroutputL-channelfornegative(PCM3793) SPOLP 15 – O SpeakeroutputL-channelforpositive(PCM3793) SPORN 10 – O SpeakeroutputR-channelfornegative(PCM3793) SPORP 11 – O SpeakeroutputR-channelforpositive(PCM3793) V 20 20 – Analogpowersupply CC V 18 18 – Analogcommonvoltage COM V 5 5 – Powersupplyfordigitalcore DD V 4 4 – PowersupplyfordigitalI/O IO V 12 12 – Powersupplyforpoweramplifier PA 8 SubmitDocumentationFeedback PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 FUNCTIONAL BLOCK DIAGRAM n Output SPOLPSPOLN SPORPSPORN HPOL/LOL HPOR/LOR HPCOM/MONO HDTI B0181-01 w o er sibleforPowerUp/D M3794hasnoSpeak SPL +6 to–70 dB SPR +6 to–70 dB HPL +6 to–70 dB HPR +6 to–70 dB HPC os C P P ODE LOUT MONO ROUT MONO COM HPOL HPOR M L R DR 2PI/IC) MX MX MS/A e(S W1 W2 3W W6 W5 W4 ac S S S S S S CL erf S nt MMDC//SDA SerialI DAL DSDAC DAR DSDAC Decimation FilterInterpolation Filter3-D Enhancement3-BandTone ControlNotch Filter VAGNDCC DIN DigitalFilter Digital(1)Filter (1) PGND CK ace LR nterf TTute VPA K oI AM C di D BDOUT Au putL-ch ADL DigitalFilter ADR Digital(1)Filter nputR-ch VDGNDD n I SCKI ClockManager PG5 AnalogI 0 to–21 dB PG3DSADC PG4DSADC PG6 Analog 0 to–21 dB VIO PowerUp/DownManager PG1 3XUM0 or +20 dB +30 to–12 dB +30 to–12 dB PG2 4XUM 0 or +20 dB CCOOMM n B PowerOReset 1XUM D2S 2XUM MC Bias VCOM c Mi LLL RRR B M AIN3AIN2AIN1 AIN1AIN2AIN3 MIC VCO SubmitDocumentationFeedback 9 PCM3793 is Not Recommended for New Designs PCM3793 PCM3794 www.ti.com SLES193C–AUGUST2006–REVISEDFEBRUARY2007 TYPICAL PERFORMANCE CURVES AllspecificationsatT =25(cid:176)C,V =V =V =V =3.3V,f =8to48kHz,systemclock=256f ,and16-bitdata, A DD IO CC PA S S unlessotherwisenoted. INTERPOLATIONFILTER,STOPBAND INTERPOLATIONFILTER,PASSBAND 0 0.2 –20 0.1 –40 B B d d – – e e d –60 d 0 u u plit plit m m A –80 A –0.1 –100 –120 –0.2 0 1 2 3 4 0 0.1 0.2 0.3 0.4 0.5 Frequency[´f ] Frequency[´f ] S S G001 G002 Figure1. Figure2. DECIMATIONFILTER,STOPBAND DECIMATIONFILTER,PASSBAND 0 0.2 –20 0.1 –40 B B d d – – e e d –60 d 0 u u plit plit m m A –80 A –0.1 –100 –120 –0.2 0 1 2 3 4 0 0.1 0.2 0.3 0.4 0.5 Frequency[´f ] Frequency[´f ] S S G003 G004 Figure3. Figure4. 10 SubmitDocumentationFeedback

Description:
16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital. Speaker Amplifier. • 2 (I2C) or 3 (SPI) Wire Serial Control.
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Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.