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参数资料
| 型号： | TA8157AF |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.014 W, 3 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封装： | SSOP-24 |
| 文件页数： | 8/15页 |
| 文件大小： | 1080K |
| 代理商： | TA8157AF |
TA8157AF/AFN
2002-10-30
2
Terminal Explanation
(terminal voltage: Typical terminal voltage at no signal with test circuit, VCC = 1.2V,
Ta = 25°C)
Terminal
No.
Name
Function
Internal Circuit
Terminal
Voltage
(V)
1
BST SW
Boost amplifier on / off switch
(synchronized with equalizer
circuit)
VCC / OPEN: BST amp. ON
GND: BST amp. OFF
―
2
EQA
9
EQB
Equalizer circuit
(controlled by BST SW)
On resistance: 60 (typ.)
―
4
VREF
Reference voltage
0.75
5
INA
7
INB
Input of power amplifier
(This terminal is common with
input of adder amplifier.)
0.75
3
NFA
8
NFB
NF of power amplifier
0.75
20
OUTA
18
OUTB
Output of power amplifier
0.6
6
PRE GND
―
0
10
MT SW
Muting switch for power
amplifier
VCC: Power amp. ON
GND / OPEN: Power amp. OFF
―
11
PW SW
Power switch
VCC: Power ON
GND / OPEN: Power OFF
―
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