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特性
1
2
3
4
8
7
6
5
绕过
地
关闭
IN2–
IN1–
V
O
1
V
DD
V
O
2
dgk pACKAGE
(t运算 视图)
1
2
3
4
8
7
6
5
绕过
地
关闭
IN2–
IN1–
V
O
1
V
DD
V
O
2
d pACKAGE
(t运算 视图)
描述
TYPICALAPPLICATIONCIRCUIT
音频的
输入
偏差
控制
6
7
5
2
V
O
1
V
O
2
V
DD
3
8
1
4
在 1−
绕过
关闭
V
DD
/4
C
I
R
I
R
F
C
B
C
S
音频的
输入
C
I
R
I
在 2−
R
F
V
DD
从 关闭
控制 电路
−
+
−
+
C
C
C
C
R
R
TPA6100A2D
SLOS269B–JUNE2000–REVISEDSEPTEMBER2004
50-mwultralowvoltagestereoheadphoneaudiopoweramplifier
•
50-mwstereooutput
•
lowsupplycurrent...0.75ma
•
lowshutdowncurrent...50na
•
PinCompatibleWithLM4881andTPA102
(1)
•
PopReductionCircuitry
•
InternalMidrailGeneration
•
thermalandshort-circuitprotection
•
表面-mountpackaging
–MSOPandSOIC
•
1.6-vto3.6-vsupplyvoltagerange
(1)thepolarityoftheshutdownpinisreversed.
thetpa6100a2disastereoaudiopoweramplifierpackagedineitheran8-pinsoicpackageoran8-管脚
msoppackagecapableofdelivering50mwofcontinuousrmspowerperchannelinto16-
Ω
负载.放大器
gainisexternallyconfiguredbyameansofthreeresistorsperinputchannelanddoesnotrequireexternal
compensationforsettingsof1to10.
thetpa6100a2disoptimizedforbatteryapplicationsbecauseofitslowsupplycurrent,shutdowncurrent,和
thd+n.toobtainthelow-supplyvoltagerange,thetpa6100a2dbiasesbypasstov
DD
/4.aresistorwitha
resistanceequaltoR
F
mustbeaddedfromtheinputstogroundtoallowtheoutputtobebiasedatV
DD
/2.
whendrivinga16-
Ω
loadwith45-mwoutputpowerfrom3.3v,thd+nis0.04%at1khz,andlessthan0.2%
acrosstheaudiobandof20hzto20khz.for28mwinto32-
Ω
负载,thethd+nisreducedtolessthan0.03%
at1khz,andislessthan0.2%acrosstheaudiobandof20hzto20khz.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2000–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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