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参数资料
| 型号： | G1431R9U |
| 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： | 13/14页 |
| 文件大小： | 387K |
| 代理商： | G1431R9U |
Ver: 1.5
Oct 25, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
8
G1431
Global Mixed-mode Technology Inc.
Pin Description
PIN
TSSOP-20(FD) TQFN4X4-20
NAME
I/O
FUNCTION
1,11,13,20
8,9,17,18
GND/HS
Ground connection for circuitry, directly connected to thermal pad.
2
19
GAIN0
I
Bit 0 of gain control
3
20
GAIN1
I
Bit 1 of gain control
4
1
LOUT+
O
Left channel + output in BTL mode
5
2
LIN-
I
Negative left input for fully differential inputs.
6,15
3,12
PVDD
Power supply for output stages.
7
4
RIN+
I
Positive right input for fully differential inputs. AC ground for single-
ended inputs.
8
5
LOUT-
O
Left channel - output in BTL mode
9
6
LIN+
I
Positive left input for fully differential inputs. AC ground for sin-
gle-ended inputs.
10
7
BYPASS
Tap to voltage divider for internal mid-supply bias generator.
12
10
NC
14
11
ROUT-
O
Right channel - output in BTL mode
16
13
VDD
Analog VDD input supply. This terminal needs to be isolated from
PVDD to achieve highest performance.
17
14
RIN-
I
Negative right input for fully differential inputs.
18
15
ROUT+
O
Right channel + output in BTL mode
19
16
SHUTDOWN
I
Places entire IC in shutdown mode when held low
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