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TPA3008D2
SLOS435A–MAY2004–REVISEDJULY2004
TERMINALFUNCTIONS
PINNAMEPINNUMBERI/ODESCRIPTION
AGND26,30-Analoggroundfordigital/analogcellsincore
AV
CC
33-High-voltageanalogpowersupply,notconnectedinternallytoPVCCRorPVCCL
5-VRegulatedoutputforusebyinternalcellsandGAIN0,GAIN1pinsonly.Not
AV
DD
29O
specifiedfordrivingotherexternalcircuitry.
AV
DD
REF7O5-VReferenceoutput—connecttogainsettingresistorordirectlytoGAIN0,GAIN1.
BSLN13-BootstrapI/Oforleftchannel,negativehigh-sideFET
BSLP24-BootstrapI/Oforleftchannel,positivehigh-sideFET
BSRN48-BootstrapI/Oforrightchannel,negativehigh-sideFET
BSRP37-BootstrapI/Oforrightchannel,positivehigh-sideFET
COSC28I/OI/Oforcharge/dischargingcurrentsontocapacitorforrampgenerator.
Short-circuitdetectfaultoutput.
FAULT=high,short-circuitdetected.
FAULT11O
FAULT=low,normaloperation.
StatusisresetwhenpoweriscycledorSHUTDOWNiscycled.
GAIN09IGainselectleastsignificantbit.TTLlogiclevelswithcompliancetoAV
DD
.
GAIN110IGainselectmostsignificantbit.TTLlogiclevelswithcompliancetoAV
DD
.
LINN6INegativeaudioinputforleftchannel
LINP5IPositiveaudioinputforleftchannel
LOUTN16,17OClass-D1/2-H-bridgenegativeoutputforleftchannel
LOUTP20,21OClass-D1/2-H-bridgepositiveoutputforleftchannel
8,12,31,32,
NC-Nointernalconnection
34,35
PGNDL18,19-PowergroundforleftchannelH-bridge
PGNDR42,43-PowergroundforrightchannelH-bridge
PowersupplyforleftchannelH-bridge(internallyconnectedtopins22and23),not
PVCCL14,15-
connectedtoPVCCRorAV
CC
.
PowersupplyforleftchannelH-bridge(internallyconnectedtopins14and15),not
PVCCL22,23-
connectedtoPVCCRorAV
CC
.
PowersupplyforrightchannelH-bridge(internallyconnectedtopins46and47),
PVCCR38,39-
notconnectedtoPVCCLorAV
CC
.
PowersupplyforrightchannelH-bridge(internallyconnectedtopins38and39),
PVCCR46,47-
notconnectedtoPVCCLorAV
CC
.
RINP3IPositiveaudioinputforrightchannel
RINN2INegativeaudioinputforrightchannel
ROSC27I/OI/Ocurrentsettingresistorforrampgenerator.
ROUTN44,45OClass-D1/2-H-bridgenegativeoutputforrightchannel
ROUTP40,41OClass-D1/2-H-bridgepositiveoutputforrightchannel
ShutdownsignalforIC(low=shutdown,high=operational).TTLlogiclevelswith
SHUTDOWN1I
compliancetoV
CC
.
VCLAMPL25-Internallygeneratedvoltagesupplyforleftchannelbootstrapcapacitors.
VCLAMPR36-Internallygeneratedvoltagesupplyforrightchannelbootstrapcapacitors.
V2P54O2.5-VReferenceforanalogcells.
ConnecttoAGNDandPGND—shouldbethecenterpointforbothgrounds.Internal
ThermalPad--
resistiveconnectiontoAGND.
6