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UNISONICTECHNOLOGIESCO.,LTDMC34119LINEARINTEGRATEDCIRCUIT©2005UnisonicTechnologiesCo.,LtdQW-R107-038,ELOWPOWERAUDIOAMPLIFIERDESCRIPTIONTheUTCMC34119isalowpoweraudioamplifierICintendedforthetelephoneapplications,suchasinspeakerphones.Itprovidesdifferentialspeakeroutputstomaximizeoutputswingatlowsupplyvoltages.Couplingcapacitortothespeakerisnotrequired.Openloopgainis80dB,andtheclosedloopgainissetwithtwoexternalresistors.TheMutepinpermitspoweringdownand/ormutingtheinputsignal.FEATURES*Wideoperatingsupplyvoltage:VCC=2V~16V*Lowquiescentsupplycurrent(ICC=2.7mA,typ)*Mediumoutputpower(POUT=250mWatVCC=6V,RL=32ohm,THD=10%)*Loadimpedancerange(8to100ohm)*Lowdistortion*Mutefunction(ICC=65μA,typ)*MinimumnumberofexternalpartsrequiredDIP-8SOP-8TSSOP-8*Pb-freeplatingproductnumber:MC34119LORDERINGINFORMATIONOrderingNumberNormalLeadFreePlatingPackagePackingMC34119-D08-TMC34119L-D08-TDIP-8TubeMC34119-P08-RMC34119L-P08-RTSSOP-8TapeReelMC34119-P08-TMC34119L-P08-TTSSOP-8TubeMC34119-S08-RMC34119L-S08-RSOP-8TapeReelMC34119-S08-TMC34119L-S08-TSOP-8TubeMC34119LINEARINTEGRATEDCIRCUITUNISONICTECHNOLOGIESCO.,LTD2of8PINCONFIGURATIONINVCCGNDOUT112348756IN+MUTERROUT2PINNAMEDESCRIPTION1MuteThispincanbeusedtopowerdowntheICtoconversepower,orformuting,orboth.Whenatalogic“LOW”(lessthan0.8V),theICisenabledfornormaloperation.Whenatalogic“HIGH”(2VtoVcc),theICisdisabled.IfMuteisopen,thatisequivalenttoalogic“LOW”.2RippleRejectionAcapacitoratthispinincreasepowersupplyrejection,andaffectsturn-ontime.Thispincanbeleftopenifthecapacitoratpin3issufficient.3Input(+)AnalogGroundfortheamplifiers.A1μFcapacitoratthispin(witha5μFcapacitoratpin2)provides52dB(typ)ofpowersupplyrejection.Turn-ontimeofthecircuitisaffectedbythecapacitoronthispin.Thispincanbeusedasanalternativeinput.4Input(-)Amplifierinput.Theinputcapacitorandresistorsetlowfrequencyroll-offandinputimpedance.Thefeedbackresistorisconnectedbetweenthispinandoutput1.5Output1Amplifieroutput1.TheDClevelisabout(Vcc~0.7V)/2.6VccDCsupplyvoltageisappliedtothispin(Vcc=2~16V).7GNDGroundpin.8Output2Amplifieroutput2.Thissignalisequalinamplitude,but180°outofphasewiththatoutput1,theDClevelisabout(Vcc~0.7V)/2.MC34119LINEARINTEGRATEDCIRCUITUNISONICTECHNOLOGIESCO.,LTD3of8BLOCKDIAGRAMVccGNDOUT2OUT1Amp1BiasININ+MUTERRMC34119LINEARINTEGRATEDCIRCUITUNISONICTECHNOLOGIESCO.,LTD4of8ABSOLUTEMAXIMUMRATINGS(Ta=25°C)PARAMETERSYMBOLRATINGSUNITSupplyVoltageVCC-1~+18VOutputCurrentIOUT±250mAMaximumInput,RippleRejection,MutePinVoltageVIN-1~+1VAppliedOutputVoltage(OutputPinWhenDisabled)VOUT-1~+1VJunctionTemperatureTJ+125°COperatingTemperatureTOPR-20~+85°CStorageTemperatureTSTG-40~+150°CNote:Absolutemaximumratingsarethosevaluesbeyondwhichthedevicewhichthedevicecouldbepermanentlydamaged.Absolutemaximumratingsarestressratingsonlyandfunctionaldeviceoperationisnotimplied.RECOMMENDEDOPERATIONCONDITIONS(Ta=25°C)PARAMETERSYMBOLRATINGSUNITSupplyVoltageVCC2~16VLoadImpedanceZL8~100ΩPeakLoadCurrentIL(PEAK)±200mADifferentialGain(5KHzBandwidth)ΔGv0~46dBVoltageatMuteVI(MUTE)0~VCCVAmbientTemperatureTa-20~+70°CELECTRICALCHARACTERISTICS(VCC=6V,Ta=25°C,unlessotherwisespecified)PARAMETERSYMBOLTESTCONDITIONSMINTYPMAXUNITDCPARAMETERVCC=3V,Mute=0.8V2.74mAVCC=16V,Mute=0.8V3.35mAOperatingCurrentICCVCC=3V,Mute=2V65100μARL=16Ω,R1=75KΩ,VCC=3V11.151.25VRL=16Ω,R1=75KΩ,VCC=6V2.65VOutputVoltageVOUTRL=16Ω,R1=75KΩ,VCC=12V5.65VOutputOffsetVoltageVO(OFF)VCC=6V,RF=75KΩ,RL=32Ω-30030mVOutputHighLevelVOH2VVCC16V,IOUT=-75mAVcc~1VOutputLowLevelVOL2VVCC16V,IOUT=75mA0.16VInputBiasCurrentII(BIAS)-100-200nAPin3100150220KΩEquivalentResistanceREQPin2182540KΩACPARAMETEROpenLoopGainofAmp.1Gv180dBOpenLoopGainofAmp.2Gv2f=1KHz,RL=32Ω-0.3500.35dBVCC=3V,RL=6Ω,THD10%55mWVCC=6V,RL=32Ω,THD10%250mWOutputPowerPOUTVCC=12V,RL=100Ω,THD10%400mWVCC=6V,RL=32Ω,POUT=125mW0.51%VCC3V,RL=8Ω,POUT=20mW0.5%TotalHarmonicDistortion(f=1KHz)THDVCC12V,RL=32Ω,POUT=200mW0.6%GainBandwidthProductGBW1.5MHzC1=∝,C2=0.01μF50dBC1=0.1μF,C2=0,f=1KHz12dBPowerSupplyRejection(VCC=6V,ΔVCC=3V)RRC1=1μF,C2=5μF,f=1KHz52dBMutingGv(MUTE)Mute=2V,1KHzf20KHz70dBMC34119LINEARINTEGRATEDCIRCUITUNISONICTECHNOLOGIESCO.,LTD5of8TYPICALCIRCUITSPEAKERSPEAKERSPEAKER4.7KΩ20KΩMC34119LINEARINTEGRATEDCIRCUITUNISONICTECHNOLOGIESCO.,LTD6of8TYPICALCHARACTERISTICS00200DeviceDissipation(mW)100300400LoadPower(mW)DeviceDissipation,16ΩLoad10001200400800600VCC=6.0VVCC=12VVCC=16VVCC=3.0V200002004006008001000DeviceDissipation(mW)200400500LoadPower(mW)DeviceDissipation,32ΩLoad002.0THD,TotalHarmonicDistortion(%)100400500OutputPower,POUT(mW)DistortionVersusPower(f=1.0kHz,AVD=34dB)8.0104.06.0100300VCC=6.0VVCC=3.0VVCC=12V200VCC=16V1200300VCC=12V,16VRL=32ΩVCC=6.0VRL=32ΩVCC=6.0VRL=16ΩVCC=3.0VRL=32ΩVCC=3.0VRL=16Ω002.04.06.08.0200400500DistortionVersusPower(f=3.0kHz,AVD=34dB)10030010Pout,OutputPower(mW)THD,TotalHarmonicDistortion(%)VCC=3.0VRL=16ΩVCC=3.0VRL=16ΩVCC
本文标题:MC34119L-S08-R中文资料
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