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1.3DEM-DAI3793A/3794AEVMDescription
DEM-DAI3793A/3794AEVMDescription
Table1-1.PCM3793A/94ATerminalFunctions(continued)
TERMINAL
NAMEPCM3793ARHBPCM3794ARHBI/ODESCRIPTION
SCKI77ISystemclock
SPOLN14–OSpeakeroutputL-channelfornegative(PCM3793Aonly)
SPOLP15–OSpeakeroutputL-channelforpositive(PCM3793Aonly)
SPORN10–OSpeakeroutputR-channelfornegative(PCM3793Aonly)
SPORP11–OSpeakeroutputR-channelforpositive(PCM3793Aonly)
V
CC
2020–Analogpowersupply
V
COM
1818–Analogcommonvoltage
V
DD
55–Powersupplyfordigitalcore
V
IO
44–PowersupplyfordigitalI/O
V
PA
1212–Powersupplyforpoweramplifier
TheDEM-DAI3793A/3794AevaluationmodulepermitsusercontroloftheentirePCM3793A/94Asystem.
TheEVMallowsuserstotestplaybackwithandwithoutdigitalinput;recordingthroughdigitalinput/output
withanopticalcableorRCAjacks;alineinput/output;stereospeakeroutput(PCM3793Aonly);
stereo/monoheadphoneoutput;andstereo/monomicrophoneinput,asshowninFigure1-3.
Figure1-3.DEM-DAI3793A/3794AEVMSystemDiagram
SBAU127–July2007Description15
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