APA2057AQBI-TRL中文资料

CopyrightANPECElectronicsCorp.Rev.A.1-Aug.,2007(withGainSetting)&CapfreeHeadphoneDriverAPA2057ATheAPA2057Aisamonolithicintegratedcircuit,whichcombinesastereopoweramplifierandastereooutputcapacitor-lessheadphoneamplifier.Thestereopoweramplifierprovides19-stepsgainsettingforflexibleapplication.Theheadphoneamplifierisground-refer-enceoutput,andnoneedtheoutputcapacitorsforDCblocking.Theadvantagesofeliminatingtheoutputca-pacitoraresavingthecost,PCB’sspaceandcomponentheight.Boththede-popcircuitryandthethermalshutdownprotectioncircuitryareintegratedintheAPA2057A,whichreducespopsandclicksnoiseduringpoweron/offandinshutdownmode.Thermalshutdownprotectsthechipfrombeingdestroyedbyover-temperaturefailure.Tosimplifytheaudiosystemdesigninnotebookcomputerapplications,theAPA2057Aprovidesthein-ternalgainsetting,andthesefeaturescanminimizecomponentsandPCBarea.TheAPA2057AisavailableinbothTSSOP-28PandTQFN5x5-28packages.Bothpackagesarecharacter-izedbyspacesavingandthermalefficiency.FeaturesGeneralDescriptionApplications•NotebookPCs•LCDmonitor•OperatingVoltage–HVDD=3.0~3.6V–VDD=4.5~5.5V•NoOutputCapacitoratHeadphoneAmplifierRequired•MeetingVISTARequirement•LowDistortionAMPmode–THD+N=56dB,atVDD=5V,RL=4W,PO=1.5W–THD+N=64dB,atVDD=5V,RL=8W,PO=0.9WHPmode–THD+N=73dB,atHVDD=3.3V,RL=16WPO=125mW–THD+N=77dB,atHVDD=3.3V,RL=32W,PO=88mW–THD+N=85dB,atHVDD=3.3V,RL=10kW,VO=1.7Vrms•OutputPowerat1%THD+N–1.9W,atVDD=5V,AMPmode,RL=4W–1.2W,atVDD=5V,AMPmode,RL=8W•at10%THD+N–2.4WatVDD=5V,AMPmode,RL=4W–1.5WatVDD=5V,AMPmode,RL=8W•DepopCircuitryIntegrated•Internal19-stepsGainSettingforFlexibleApplica-tion•ThermalShutdownProtectionandOverCurrentProtectionCircuitry•HighSupplyVoltageRippleRejection•Surface-MountPackaging–TSSOP-28P(withenhancedthermalpad)–TQFN5x5-28(withenhancedthermalpad)•LeadFreeAvailable(RoHSCompliant)CopyrightANPECElectronicsCorp.Rev.A.1-Aug.,2007(Note1)SymbolParameterRatingUnitVDDSupplyVoltage(PVDD,CVDD,VDD)VHVDD,SupplyVoltage(HVDD)-0.3to6VSSSupplyVoltage(VSS)+0.3to-6VVSET,VAMP_EN,VHP_ENInputVoltage0toVDD+0.3VTAOperatingAmbientTemperatureRange-40to85°CTJMaximumJunctionTemperature150°C(Overoperatingfree-airtemperaturerangeunlessotherwisenoted.)APA2057AHandlingCodeTemperatureRangePackageCodePackageCodeR:TSSOP-28PQB:TQFN5x5-28OperatingAmbientTemperatureRangeI:-40to85CHandlingCodeTR:Tape&ReelLeadFreeCodeL:LeadFreeDevice°APA2057AR:APA2057AXXXXXXXXXX-DateCodeXXXXX-DateCodeLeadFreeCodeAPA2057AQB:APA2057AXXXXX=ThermalPad(connectedtheThermalPadtoGNDplaneforbetterheatdissipation)INR_A3INR_H4LOUT-9LOUT+8INL_A5PVDD10CVDD11CGND13APA2057A15CVSS16HVSSVDD1GND217HP_R18HP_L21ROUT-19HVDD20PVDD22ROUT+23PGND24HP_EN25BIASINL_H6PGND7CP-14CP+1228BEEP27AMP_EN26SET(Topview)(TSSOP-28P)(Topview)(TQFN5x5-28)APA2057A20HP_EN17ROUT-15HVDD16PVDD18ROUT+19PGND21BIAS24BEEP25VDD26GND27INR_A28INR_H22SET23AMP_ENLOUT-5LOUT+4PGND3INL_A1PVDD6CVDD7INL_H2CP-10CGND9CP+8CVSS11HVSS12HP_R13HP_L14CopyrightANPECElectronicsCorp.Rev.A.1-Aug.,2007(Cont.)(Note1)SymbolParameterRatingUnitTSTGStorageTemperatureRange-65to+150°CTSDRMaximumLeadSolderingTemperature260,10seconds°CPDPowerDissipationInternallyLimitedW(Overoperatingfree-airtemperaturerangeunlessotherwisenoted.)Note1:AbsoluteMaximumRatingsarethosevaluesbeyondwhichthelifeofadevicemaybeimpaired.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.RecommendedOperatingConditionsThermalCharacteristics(Note2)SymbolParameterValueUnitθJAThermalResistance-JunctiontoAmbient(Note2)TSSOP-28PTQFN5x5-284543oC/WNote2:3.42in2printedcircuitboardwith2OZtraceandcopperthrough10viasof15mildiametervias.ThethermalpadontheTSSOP-28P&TQFN-28packageswithsolderontheprintedcircuitboard.Min.Max.UnitSupplyvoltage,VDD4.55.5VSupplyvoltage,HVDD3.03.6VHighlevelthresholdvoltage,VIHAMP_EN,HP_EN2VLowlevelthresholdvoltage,VILAMP_EN,HP_EN0.8VforAmplifierVDD-1VCommonmodeinputvoltage,VicmforHeadphoneAmplifierHVDD-1VShutdown0.8GainSetting24.2VInputVoltage(VSET)FixGain4.5VElectricalCharacteristicsAPA2057ASymbolParameterTestConditionMin.Typ.Max.UnitVDDSupplyVoltage4.55.5VHVDDHeadphoneAmplifiersupplyvoltage3.03.6VIVDDVDDSupplyCurrent17.529IHVDDHVDDSupplyCurrentOnlySpeakermode,AMP_EN=HP_EN=0V0.151IVDDVDDSupplyCurrent1220IHVDDHVDDSupplyCurrentOnlyHeadphonemode,HP_EN=AMP_EN=5V35IVDDVDDSupplyCurrent2035IHVDDHVDDSupplyCurrentAllEnable,HP_EN=5VandAMP_EN=0V35mAVDD=5V,HVDD=3.3V,G