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2.1TAS5102EVMandTAS5103EVMFeatures
2.2PCBKeyMap
SPDIFReceiver 3.3VSMPS
USBController TAS5086
TAS5102
Power
Supply
Overview
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TheTAS5103isacompact,high-power,digitalamplifierpowerstagedesignedtodrivean8-Ω
loudspeakerupto15W/channelat10%THD+N.Itcontainsintegratedgate-drive,fourmatchedand
electricallyisolatedenhancement-modeN-channelpowerDMOStransistors,andprotection/fault-reporting
circuitry.TheDAPpackagehasaPowerPAD™packageonthebottomsideforheattransferthroughthe
printed-circuitboard.
EitheroftheseEVMsplustheHPLMC-012formacompletetwo-channel,digitalaudioamplifiersystem
whichincludesdigitalinput(S/PDIF),controlinterface(viaUSB)toPCandDAP(digitalaudioprocessor)
featureslikedigitalvolumecontrol,bassmanagement,andinputandoutputmultiplexers.
ThisEVMisdesignedtoillustratealow-costapproachtoanamplifierdesignusingthisdevice.Improved
performance,atincreasedcost,canbeachievedwithahigh-performanceconfiguration.
•ModularapproachcomprisedofTAS5102EVMorTAS5103EVMamplifiermodulesandHPL-MC012
modulator/controllermodule
•Two-channelevaluationmodule.
•Self-containedprotectionsystem(short-circuitandthermal).
•StandardI
2
SandI
2
CcontrolviaSPDIFandUSB
•Double-sided,plated-throughprinted-circuitboard(PCB)layout
•Singlepowersupplyoperation
PhysicalstructurefortheTAS5102/3EVMisillustratedinFigure1.
Figure1.PhysicalStructureforTAS5102/3EVM
TAS5102EVMandTAS5103EVMfortheTAS5102andTAS5103DigitalAmplifierPowerOutputStages 6SLLU106–August2008
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