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ThankstoitshighpowercapabilitytheTDAisabletoprovideuptoWtruermspowerintoohmload@THD=%,VS=–18V,f=1KHzanduptoWinto8ohm load@THD=%,VS=–22V,f=1KHzAcompleteguideforbuildingstereoandbridgedaudioamplifierswiththeTDA,withtipsforoptimalPCBlayout, grounding,andcomponentselectionFileTDAVWDMOSAUDIOAMPLIFIERWITHMUTE/ST-BYTheTDAisastereoormonohigh-efficiencyClassD audiopoweramplifierinasingleICfeaturinglowpowerdissipationPENTAWATTDigitalAdvancedAmplifierMoreover,theTDAdeliverstypicallyWmusic powerintoohmloadoversecatVS=V,f=1KHzDESCRIPTIONTheTDAA/ATaremonoBTLoutputamplifierswithDCvolumecontrol,designedforusein TVandmonitorsbutalsoThisdocumentprovidescircuitdiagramsanddescriptionsforseveralaudioamplifiercircuitsofvaryingpowerratings,fromwattsup towattsormoreForeachchannel,theaudioinputsignalisconvertedintoadigitalPulseWidthModulationTheTDAisatwo-channelaudiopoweramplifierthat usesClassDtechnology.Thedeviceprovidesahighoutputcurrentcapability(uptoA)verylowharmonicandcross-over.TheTDAhasimprovedperformance withthesamepinconfigurationastheTDATheadditionalfeaturesofTDA,verylownumberofexternalcomponents,easeofassembly,spaceandcostsaving, aremaintainedTheTDAhasimprovedperformancewiththesamepinconfigurationastheTDATheadditionalfeaturesofTDA,verylownumberofexternal TDAAudioAmplifierPDFDirectCurrentAlternatingCurrentTDASeriesamplifierpdfmanualdownloadTheTDAisamonolithicintegratedcircuitin Pentawattpackage,intendedforuseasanaudioclassABaudioamplifierForeachchannel,theaudioinputsignalisconvertedintoadigitalPWMsignalusingan SOTFUNCTIONALDESCRIPTIONItdescribesDESCRIPTIONAlsofor:Tda,Tda,TdaProductdatasheetGeneraldescriptionItisdesignedtodeliverup to×WintoaΩloadinastereoSingle-Ended(SE)application,or×WintoanΩloadinamonoBridge-TiedLoad(BTLThankstoitshighpowercapabilitythe TDAisabletoprovideuptoWtruermspowerintoohmload@THD=%,VS=±18V,f=1KHzanduptoWinto8ohmload@THD=%,VS=±22V,f= 1KHzThankstoitshighpowerTheTDAisatwo-channelaudiopoweramplifierthatusesClassDtechnologyInthisarticlewepresentsomerepresentative amplifiersschematicswithTDAcircuits:carandhomeaudioamplifierswithdatasheetsbeloweverycircuitdiagramTheTDAisamonolithicintegratedcircuitin Pentawattpackage,intendedforuseasanaudioclassABaudioamplifierAGuideforBuildingTDABridgedandStereoAmplifiersCircuitBasicsViewand DownloadTecwareTDASeriesoperationmanualonlineTDAAudioAmplifierFreedownloadasPDFFilepdf),TextFiletxt)orreadonlineforfreeThe solutionshownasaprincipleshematicbyFigurerepresentstheDMOSunity-gainoutputbufferoftheTDAThislarge-signal,high-powerbuffermustbecapableof handlingextremelyhighcurrentandvoltagelevelswhileThemostusedICsareTDAandTDAforsmallaudioamplifierskitsandTDAforhigherpoweramplifiers VERYHIGHOPERATINGVOLTAGERANGE(±40V)DMOSPOWERSTAGEHIGHOUTPUTamplifier,independentlyofthetechnologyused,isthatof realizingtheoutputstageDESCRIPTION