參數(shù)資料
型號: G1421F
廠商: Global Mixed-mode Technology Inc.
英文描述: 2W Stereo Audio Amplifier with No Headphone Coupling Capacitor Function
中文描述: 2W立體聲音頻放大器耦合電容器沒有耳機功能
文件頁數(shù): 9/24頁
文件大?。?/td> 442K
代理商: G1421F
Ver: 1.6
Aug 04, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
17
G1421
Global Mixed-mode Technology Inc.
Block Diagram
Parameter Measurement Information
LEFT
MUX
+
_
11
8
23
MUTEIN
6
5
4
17
16
14
3
10
7
RF
RI
CI
CB
4.7F
LLINEIN
LHPIN
LBYPASS
VOL
SHUTDOWN
HP-IN
HP/LINE
SE/BTL
LVDD
LOUT-
LOUT+
RL 4/8/32ohm
BTL Mode Test Circuit
AC source
LEFT
MUX
+
_
11
8
23
MUTEIN
6
5
4
17
16
14
3
10
7
RF
RI
CI
CB
4.7F
LLINEIN
LHPIN
LBYPASS
VOL
SHUTDOWN
HP-IN
HP/LINE
SE/BTL
LVDD
LOUT-
LOUT+
RL 4/8/32ohm
BTL Mode Test Circuit
AC source
LEFT
MUX
+
_
3
10
LLINEIN
LHPIN
LBYPASS
18
RVDD
LOUT-
LOUT+
RIGHT
MUX
RHPIN
RLINEIN
+
_
15
22
ROUT+
ROUT-
7
LVDD
BIAS CIRCU ITS
MODES CON TROL
CIRCUITS
17
16
14
2
TJ
SE/BTL
HP/LINE
HP-IN
SHUTDOW N
RBYPASS
MUTEIN
MUTEOUT
VOL
21
20
19
11
9
8
23
6
5
4
20k
LEFT
MUX
+
_
3
10
LLINEIN
LHPIN
LBYPASS
18
RVDD
LOUT-
LOUT+
RIGHT
MUX
RHPIN
RLINEIN
+
_
15
22
ROUT+
ROUT-
7
LVDD
BIAS CIRCU ITS
MODES CON TROL
CIRCUITS
17
16
14
2
TJ
SE/BTL
HP/LINE
HP-IN
SHUTDOW N
RBYPASS
MUTEIN
MUTEOUT
VOL
21
20
19
11
9
8
23
6
5
4
20k
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