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PARAMETERMEASUREMENTINFORMATION
音频的
输入
偏差
控制
V
DD
6
5
7
V
O
+
V
DD
1
2
4
绕过
在 -
V
DD
/2
C
I
R
I
C
S
1
µ
F
C
B
0.1
µ
F
R
F
关闭
V
O
- 8
R
L
=
8
Ω
地
3 IN+
-
+
-
+
TPA321
SLOS312C–JUNE2000–REVISEDJUNE2004
TerminalFunctions
终端
i/odescription
nameno.
bypassisthetaptothevoltagedividerforinternalmid-supplybias.thisterminalshouldbeconnected
BYPASS2I
toa0.1-µfto1-µfcapacitorwhenusedasanaudioamplifier.
gnd7gndisthegroundconnection.
在-4iin-istheinvertinginput.在-istypicallyusedastheaudioinputterminal.
in+3iin+isthenoninvertinginput.in+istypicallytiedtothebypassterminalforseoperations.
shutdown1ishutdownplacestheentiredeviceinshutdownmodewhenheldhigh(i
DD
~0.15µa).
V
DD
6V
DD
isthesupplyvoltageterminal.
V
O
+5OV
O
+isthepositivebtloutput.
V
O
-8ov
O
-isthenegativebtloutput.
figure1.testcircuit
4