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1、~TAS5717
TAS5719www.ti.comSLOS655A–NOVEMBER2010–REVISEDFEBRUARY201110-W/15-WDigitalAudioPowerAmplifierwithIntegratedCap-FreeHPAmplifierCheckforSamples:TAS5717,TAS57191FEATURES2•AudioInput/Output•Benefits–TAS5717Supports2×10WandTAS5719–EQ:SpeakerEqualization
2、ImprovesAudio
Supports2×15WOutputPerformance–WidePVDDRange,From4.5Vto26V–DRC:DynamicRangeCompression.CanBeUsedAsPowerLimiter.Enables–EfficientClass-DOperationEliminatesSpeakerProtection,EasyListening,
NeedforHeatsinksNight-ModeListening–RequiresOnly3.3VandP
3、VDD–DirectPathTechnology:EliminatesBulky
–OneSerialAudioInput(TwoAudioDCBlockingCapacitors
Channels)–StereoHeadphone/StereoLineDrivers:
–I2CAddressSelectionviaPIN(ChipSelect)AdjustGainviaExternalResistors,
–Supports8-kHzto48-kHzSampleRateDedicatedActiveHead
4、poneMutePin,High
(LJ/RJ/I2S)Signal-to-NoiseRatio–ExternalHeadphone-AmplifierShutdown–Two-BandDRC:SetTwoDifferent
SignalThresholdsforLow-andHigh-Frequency
–IntegratedCAP-FreeHeadphoneAmplifierContent–StereoHeadphone(Stereo2-VRMSLineDriver)OutputsDESCRIPTION•
5、Audio/PWMProcessingTheTAS5717/TAS5719isa10-W/15-W,efficient,
–IndependentChannelVolumeControlsWithdigitalaudio-poweramplifierfordrivingstereobridge-tiedspeakers.Oneserialdatainputallows24-dBtoMuteprocessingofuptotwodiscreteaudiochannelsand
–ProgrammableTwo-
6、BandDynamicRangeseamlessintegrationtomostdigitalaudioprocessors
ControlandMPEGdecoders.Thedeviceacceptsawide
–14ProgrammableBiquadsforSpeakerEQrangeofinputdataanddatarates.Afullyprogrammabledatapathroutesthesechannelstothe–ProgrammableCoefficientsforDRCFilt
7、ersinternalspeakerdrivers.–DCBlockingFiltersTheTAS5717/9isaslave-onlydevicereceivingall–0.125-dBFineVolumeSupportclocksfromexternalsources.TheTAS5717/TAS5719
•GeneralFeaturesoperateswithaPWMcarrierbetweena384-kHz
–SerialControlInterfaceOperationalWithoutswi
8、tchingrateanda352-KHzswitchingrate,
MCLKdependingontheinputsamplerate.Oversamplingcombinedwithafourth-ordernoiseshaperprovidesa–Factory-TrimmedInternalOscillatorforflatnoisefloorandexcellentdynamicrang
