NTP8214——耐福Neofidelity.pdf

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1、PowerDriverIntegratedFullDigitalAudioAmplifierNTP8214NTP8214HighPerformance,HighFidelityPowerDriverIntegratedFullDigitalAudioAmplifierDatasheetPreliminaryver.1.4CopyrightⓒNeoFidelity,Inc.Page1DocumentNumber:DS8214ver.1.42015-04-02PowerDriverIntegratedFullDigitalAudioAmp

2、lifierNTP8214GeneralDescriptionFeaturesTheNTP8214isasinglechipfulldigitalaudio2CHStereo(30Wx2BTL@24V,6Ω)amplifierincludingpowerstageforstereoamplifierStereoheadphoneamplifiersystem.NTP8214isintegratedwithversatileWideOperatingSupplyVoltageRangedigitalaudiosignalproce

3、ssingfunctions,high-(7to28V)performance,high-fidelityfullydigitalPWMFloatingPointOperationmodulator,astereoheadphoneamplifierandtwo24ProgrammableBi-QuadFiltershigh-powerfull-bridgeMOSFETpowerstages.SpeakerCompensationTheNTP8214receivesdigitalserialaudiodataLPF,HPF,D

4、CCutwithsamplingfrequenciesof32kHz,44.1kHz,AdvancedParametricEqualizer48kHz,and96kHz,wherethesystemmaster3BandDynamicRangeControlclockshouldbeintegermultiplesofeachsampleLoudnessControlfrequency.Itdelivers2x30wattsinstereomode3DSurroundwithoutheatsink.ProtectionCir

5、cuitTheNTP8214hasamixerandBi-QuadfiltersOCP(OverCurrentProtection)whichcanbeusedtoimplementtheessentialOTP(OverTemperatureProtection)audiosignalprocessingfunctionslikeloudnessUVP(UnderVoltageProtection)control,compensationofaloudspeakerresponseBQ/DRCCheckSumandparam

6、etricequalization.Vol/SoftMute/PowerMeter/NSFeedbackAllthefunctionsoftheNTP8214canbecontrolledSmartPWMSwitchon/off2HighEfficiencybyinternalregistervaluesviaIChostinterfacebus.DCprotectionDCcutfilterCoefficientmemorychecksumPackageModulationIndexcheckHeadphoneamp

7、lifierLLLLAAAABB10mW/ChOutputPower(32Ω@3.3V)P_P_I_OI_OIITETEAA1D1A1AA1A1D11D1DDDD_K_KSESE1T1TNDNT1TT1TDDDDDDCNCDVDDVDLCLDADR/RSBSGPGUOUUOUVPVVPV2.0VRMSLineDriveroutputNVVCA/BPOOPPNoOutputDC-BlockingCapacitors488447744664455444444334422441144004399388377333WidePowerS

8、upplyRange(2.3V~5V)GGNNDD113366OOUUTT11BBDDVVDDDD223355OOUUTT11BBSelectableGain/InputSignalSSDDAATTAA333344PP