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參數(shù)資料
| 型號： | TA2131FNG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Low Current Consumption Headphone Amplifier for Portable MD Player (With Bass Boost Function) |
| 中文描述： | 低電流消耗為便攜式耳機放大器MD播放機（帶低音提升功能） |
| 文件頁數(shù)： | 10/19頁 |
| 文件大?。?/td> | 414K |
| 代理商： | TA2131FNG |
TA2131FNG
2006-04-19
10
4.
Power Switch
As long as the power switch is not connected to “H” level, the IC does not operate. If it malfunctions due
to external noise, however, it is recommended to connect a pull-down resistor externally (the power switch
is set to be highly sensitive).
5.
Threshold Voltages of Switches
6.
These capacitors which prevent oscillation of the power amplifier, and are between
the V
ref
and V
CC
-GND must have a small temperature coefficient and outstanding
frequency characteristics.
PW SW (V
16
)
“H” level
IC operation
“L” level
IC OFF
MT SW (V
17
)
“H” level
Mute ON
“L” level
Mute reset
BST SW (V
18
)
“H” level/OPEN
BST ON
“L” level
BST OFF
T
1
(1) PW SW
Power supply voltage V
CC
(V)
0
1
2
3
4
5
4
5
2
1
3
1.6 V
4.5 V
0.6 V
L
H
Power supply voltage V
CC
(V)
T
1
,
1
0
1
2
3
4
5
4
5
2
1
3
4.5 V
0.8 V
L
H
(2) MT SW, BST SW
0.3 V
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