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FEATURESDESCRIPTION
LRCK
1.0
F
控制
输入
DGND
增益 选择
+5V
频道 选择
{
BCK
GAIN0
VCOM
数据
FORMAT
SCLK
GAIN1
lr_sel
VDD
关闭
VCLAMP
PGND
关闭 控制
+18V
沉默的
DEMP
Z
ERO
AVCC
10
F
{
零 输入
标记
FLT1
FLT2
22 nf
COSC
AGND
ROSC
VREF
绕过
220 pf
1
F
1
F
120 k
0.22
F
BSN
51
OUTN
0.22
F
BSP
OUTP
51
PVCC
数字的 音频的
处理器
TPA3200D1
I
2
s 或者 16-位 rj
TAS3103
TPA3200D1
SLOS442–MAY2005
20-wmonodigitalinputaudioamplifier
•
DigitalInterface
thetpa3200d1isa20-w(perchannel)效率高的,
digitalaudiopoweramplifierfordrivingabridged-系
–24-bitresolution
扬声器.thetpa3200d1candriveaspeakerwith
–SupportsI
2
sand16-bitword
animpedanceaslowas4
Ω
.thehighefficiencyof
正确的-justifieddigitalinputformats
thetpa3200d1(85%)eliminatestheneedforan
–multiplesamplingfrequencies:
externalheatsink.
5kHz–200kHz
thedigitalinputaccepts16-24bitdataini
2
Sformat
–8xOversamplingDigitalFilter
or16-bitwordright-justified.adigitalfilterperforms
–SoftMute
an8xinterpolationfunction.otherfeaturesinclude
softmute,azeroinputdetectoutputflagforpower
•
PowerAmplifier
consciousdesigns,andpowersavingshutdown
–20-wintoan8-
Ω
loadfroman18-vsupply
模式.
–EfficientOperationEliminatesNeedforHeat
Sinks
–threeselectable,fixedgainsettings
–thermalandshort-circuitprotection
SimplifiedApplicationCircuit
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerpadisatrademarkoftexasinstruments.
productpreviewinformationconcernsproductsintheforma-
copyright©2005,texasinstrumentsincorporated
tiveordesignphaseofdevelopment.characteristicdataandother
specificationsaredesigngoals.texasinstrumentsreservesthe
righttochangeordiscontinuetheseproductswithoutnotice.
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