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1Introduction
1.1TPA2012D2EVMSpecifications
User'sGuide
SLOU174A–February2005–RevisedApril2005
TPA2012D2AudioPowerAmplifierEvaluationModule
TheTPA2012D2audiopoweramplifierevaluationmoduleisacomplete,low-power,
Class-D,stereoaudiopoweramplifiercapableofdelivering1.2W/channel(YZH
package).AllcomponentsandtheevaluationmodulearePb-Free.
Contents
1Introduction..........................................................................................1
2Operation............................................................................................2
3Reference............................................................................................3
4RelatedDocumentationFromTexasInstruments..............................................6
ListofFigures
1TPA2012D2OutputPower........................................................................2
2TopLayer............................................................................................4
3BottomLayer........................................................................................4
4TPA2012D2EVMSchematicDiagram..........................................................5
ListofTables
1GainSettings........................................................................................3
2TPA2012D2EVMPartsList.......................................................................6
ThissectionprovidesanoverviewoftheTexasInstruments(TI)TPA2012D2NanoFree™WCSPaudio
amplifierevaluationmodule(TPA2012D2EVM).Itincludesabriefdescriptionofthemoduleandalistof
EVMspecifications.
Supplyvoltagerange,V
DD
2.5Vto5.5V
Powersupplycurrentratingrequired2.5A
Continuousoutputpower,P
O
:4-ΩBTL,V
DD
=5V1.2W(seenote)
Audioinputvoltage,V
I
0VtoV
DD
Minimumloadimpedance,Z
L
4Ω
Note:
TheTPA2012D2intheRTJpackage(QFN)isratedat2.1W/channel.TheYZHpackage
(WCSP)isthermallylimitedto1.2W/channelontheEVM.Forlayoutswithhighertrace
densityandadditionalcopper,themaximumoutputpowerwillbelarger.Seethedata
sheetfordevicedescriptions.
NanoFreeisatrademarkofTexasInstruments.
TPA2012D2AudioPowerAmplifierEvaluationModule SLOU174A–February2005–RevisedApril20051