TAS5707PHPR具有EQ和DRC（软件控制）的20W立体声数字音频功率放大器描述TheTAS5707isa20-W,efficient,digital-audiopoweramplifierfordrivingstereobridge-tiedspeakers.OneserialdatainputallowsprocessingofuptotwodiscreteaudiochannelsandseamlessintegrationtomostdigitalaudioprocessorsandMPEGdecoders.Thedeviceacceptsawiderangeofinputdataanddatarates.Afullyprogrammabledatapathroutesthesechannelstotheinternalspeakerdrivers.TheTAS5707isasl***e-onlydevicereceivingallclocksfromexternalsources.TheTAS5707operateswithaPWMcarrierbetweena384-kHzswitchingrateand352-KHzswitchingrate,dependingontheinputsamplerate.Oversamplingcombinedwithafourth-ordernoiseshaperprovidesaflatnoisefloorandexcellentdynamicrangefrom20Hzto20 kHz.TheTAS5707AisidenticalinfunctiontotheHTQFPpackagedTAS5707,buthasauniqueI2Cdeviceaddress.TheaddressoftheTAS5707is0x36.TheaddressoftheTAS5707Ais0x3A.特性AudioInput/Output20-WIntoan8-LoadFroman18-VSupplyWidePVDDRange,From8Vto26VEfficientClass-DOperationEliminatesNeedforHeatsinksRequiresOnly3.3VandPVDDOneSerialAudioInput(TwoAudioChannels)Supports8-kHzto48-kHzSampleRate(LJ/RJ/I2S)Audio/PWMProcessingIndependentChannelVolumeControlsWith24dBtoMuteSoftMute(50%DutyCycle)ProgrammableDynamicRangeControl14ProgrammableBiquadsforSpeakerEQandOtherAudioProcessingFeaturesProgrammableCoefficientsforDRCFiltersDCBlockingFiltersGeneralFeaturesSerialControlInterfaceOperationalWithoutMCLKFactory-TrimmedInternalOscillatorforAutomaticRateDetectionSurfaceMount,48-PIN,7-mm×7-mmHTQFPPackageThermalandShort-CircuitProtectionBenefitsEQ:SpeakerEqualizationImprovesAudioPerformanceDRC:DynamicRangeCompression.CanBeUsedAsPowerLimiter.EnablesSpeakerProtection,EasyListening,Night-ModeListeningAutobankSwitching:PreloadCoefficientsforDifferentSampleRates.NoNeedtoWriteNewCoefficientstothePartWhenSampleRateChanges.Autodetect:AutomaticallyDetectsSample-RateChanges.NoNeedforExternalMicroprocessorInterventionAPPLICATI***TelevisioniPodDockSoundBar)