PAM8404规格书

PAM8404规格书

PAM8404规格书

PAM8404规格书

ThePAM8404isa3Whighefficiencyfilterlessclass-Daudioamplifierin4mmX4mmQFNand2mmX2mmwaferchipscale(WCSP)packagesthatrequiresfewexternalcomponents.

Featureslike89%efficiency,-63dBPSRR,improvedRF-rectificationimmunity,andverysmallPCBareamakethePAM8404class-DamplifieridealforcellularhandsetandPDAapplications.

Incellularhandsets,theearpiece,speakerphone,andmelodyringercaneachbedrivenbythePAM8404.ThePAM8404allowsindependentgainbysummingsignalsfromseperatesources,andhasaslowas43μVA-weightednoisefloor.PAM8404isavailableinQFN4mmx4mmandWCSP2mmx2mmpackages.

n3WOutputat10%THDwitha4ΩLoadand

5VSupply

nSupplyVoltagefrom2.5Vto5.5VnEfficiencyUpto89%

nSuperiorLowNoisewithoutInput

nFewExternalComponentstoSavetheSpace

andCost

nShortCircuitProtectionnThermalShutdown

nSpaceSavingPackages:

2mmX2mmWCSP4mmX4mmThinQFNnPb-FreePackages

Applications

nnnnn

LCDMonitor/TVProjectorNotebookComputersPortableSpeakers

PortableDVDPlayers,GameMachinesCellularPhones/SpeakerPhones

TypicalApplicationCircuit

RadiatedEmissions

OFF

OFF

FCCClassBLimit

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