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参数资料
| 型号： | G1422 |
| 厂商： | Global Mixed-mode Technology Inc. |
| 元件分类： | 音频放大器 |
| 英文描述： | 2W Stereo Audio Amplifier |
| 中文描述： | 2W立体声音频放大器 |
| 文件页数： | 15/15页 |
| 文件大小： | 304K |
| 代理商： | G1422 |
Ver: 1.2
Jun 29, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
9
G1422
Global Mixed-mode Technology Inc.
Pin Description
PIN
NAME
I/O
FUNCTION
1
SHUTDOWN
I
Shutdown mode control signal input, places entire IC in shutdown mode when held
high, IDD is below 2A.
2,7,9,10,11,12,19
GND/HS
Ground connection for circuitry, directly connected to thermal pad.
3
+OUTA
O
A channel + output in BTL mode, high impedance state in SE mode
4,17
VDD
Supply voltage for circuitry.
5
-OUTA
O
A channel - output in BTL mode, - output in SE mode.
6
-INA
I
A channel input signal I, selected when MUXCTRL is held low.
8
+INA
I
A channel positive input of OPAMP, biasing DC operation of OPAMP
13
+INB
I
B channel positive input of OPAMP, biasing DC operation of OPAMP
14
BYPASS
Connect to voltage divider for internal mid-supply bias.
15
-INB
I
B channel input signal I, selected when MUXCTRL is held low.
16
-OUTB
O
B channel - output in BTL mode, - output in SE mode.
18
+OUTB
O
B channel + output in BTL mode, high impedance state in SE mode
20
HP-IN
I
Mode control signal input, hold low for BTL mode, hold high for SE mode.
Thermal Pad
Recommend connecting the Thermal Pad to the GND for excellent power dissipation.
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