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Operation
Table1.GainSettings
GAIN1(J13)
(1)
GAIN0(J12)
(1)
AmplifierGain(dB)
ONON20
ONOFF26
OFFON32
OFFOFF36
(1)
OFF=Jumperremoved;ON=Jumperinstalled
2.1.2.3ControlOutputs
1.FAULT:ThispinisaTTLcompatibleoutputforreportingashort-circuitfaultontheoutput.Ifthe
outputsareshortedtoGND,V
CC
,ortoeachother,thisterminalgoeshighandremainshighuntilone
ofthefollowingoperationsisperformed:poweriscycled,SHUTDOWNiscycled,orMUTEiscycled.If
jumperJ11isinstalled,theMUTEterminalisconnecteddirectlytotheFAULTterminalanda
short-circuitfaultisautomaticallyclearedwhenitoccurs.
2.1.3PowerUp
1.Verifycorrectvoltageandinputpolarityandturntheexternalpowersupplieson.TheEVMshould
beginoperation.
2.Adjusttheinputsignal.
3.Adjustthecontrolinputstothedesiredsettings.
4.Ifnosoundisaudible,checkthepositionoftheMSTR/SLV(J14)jumper.Itshouldberemovedif
evaluatingasingleEVM.
5.Adjusttheamplifiergainbyinstalling/removingthegainjumpers,J12andJ13.
4TPA3100D2AudioPowerAmplifierEvaluationModuleWithLCFilterSLOU179–December2005