G1420 Datasheet, PDF (15/20 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
Block Diagram
21 RLINEIN
20 RHPIN
RIGHT
MUX
19 RBYPASS
20k
_
ROUT+ 22
ROUT- 15
+
RVDD 18
11 MUTEIN
9 MUTEOUT
8 SHUTDOWN
BIAS CIRCUITS
MODES CONTROL
CIRCUITS
HP/LINE 16
SE/BTL 14
TJ
2
6 LBYPASS
5 LHPIN
4 LLINEIN
LEFT
MUX
LVDD
7
+
LOUT- 10
_
LOUT+ 3
20k
G1420
Parameter Measurement Information
11 MUTEIN
8 SHUTDOWN
CB
4.7µF
CI
AC source
RI
6 LBYPASS
5 LHPIN
4 LLINEIN
LEFT
MUX
HP/LINE ₁₆
SE/BTL 14
LVDD
7
RL 4/8/32ohm
+
LOUT- 10
_
LOUT+ 3
RF
BTL Mode Test Circuit
Ver: 1.5
Aug 04, 2005
TEL: [phone]
http://www.gmt.com.tw
15