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參數(shù)資料
| 型號(hào)： | TA2123AF |
| 廠商： | Toshiba Corporation |
| 英文描述： | 1.5V Stereo Headphone Amplifier |
| 中文描述： | 1.5V的立體聲耳機(jī)放大器 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 427K |
| 代理商： | TA2123AF |
TA2123AF
2002-10-30
6
Terminal
No.
Name
Function
Internal Circuit
Terminal
Voltage
(V)
39
BEEP
Input of beep signal
This terminal receives beep
signal of a microcomputer etc.
This terminal should be set as
high impedance or “H” when
not using this function
Power amplifier
20k
39
0.7
41
MT SW
Muting switch of power amplifier
Power amp. on: “H” level
Power amp. off: “L” level
Refer to application note 3 (2)
—
44
F / R SW
Forward / reverse switch
Forward: “L” level
Reverse: “H” level
Refer to application note 3 (2)
—
45
PRE SW
Muting switch of preamplifier
Preamp. on: “L” level
Preamp. off: “H” level
Refer to application note 3 (2)
41
47k
—
42
PW SW
Power on / off switch
IC on: “H” level
IC off: “L” level
Refer to application note 3 (2)
42
4
—
43
BST SW
Boost on / off switch
BST on: OPEN / “H” level
BST off: “L” level
Refer to application note 3 (2)
43
20k
—
46
M / N SW
Metal / normal mode switch
Metal mode: OPEN / “H” level
Normal mode: “L” level
Refer to application note 3 (2)
46
10k
—
47
PRE GND
Power GND for power drive stage
—
0
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