标签: eua2005ver0

EUA2005VER0PreliminaryEUA20051.5-WMonoFilterlessClass-DAudioPowerAmplifierDESCRIPTIONTheEUA2005isahighefficiency,1.5Wmonoclass-Daudiopoweramplifier.Alownoise,filterlessPWMarchitectureeliminatestheoutputfilter,reducingexternalcomponentcount,systemcost,andsimplifyingdesign.Operatinginasingle5Vsupply,EUA2005iscapableofdriving8speakerloadatacontinuousaverageoutputof1.5W/10%THD+Nor1.3W/1%THD+N.TheEUA2005hashighefficiencywithspeakerloadcomparedtoatypicalclassABamplifier.Witha3.6Vsupplydrivingan8speaker,theefficiencyfora400mWpowerlevelis84%.Incellularhandsets,theearpiece,speakerphone,andmelodyringercaneachbedrivenbytheEUA2005.ThegainofEUA2005isexternallyconfigurablewhichallowsindepend……