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參數資料
| 型號： | LA4743A |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | HZIP-25 |
| 文件頁數： | 5/9頁 |
| 文件大小： | 215K |
| 代理商： | LA4743A |
No. 6629-5/9
LA4743A
Continued from preceding page.
Pin No.
Function
DC voltage [V]
Notes
Internal equivalent circuit
11
12
14
15
IN1
IN2
IN4
IN3
100
1 k
5 pF
30 k
VREF
11
12
14
15
A13500
Amplifier turn-on time control circuit
Impulse noise prevention circuit
With a 22 F capacitor, the turn-on
time will be 0.6 s.
16
ON TIME MUTE
20 k
10 k
2 k
13 k
40 k
2 k
200
VREF
16
A13501
13
The muting function is activated when
the applied voltage is under 1 V.
22
MUTE
4.1
3 k
1 k
7.5 k
10 k
100
100 k
VREF
22
A13502
3.1
Input amplifiers that require no
capacitor in the input noise filter.
PRE GND
2.6
25
N.C.
Input amplifier
ST-BY power
supply line
Inverter
amplifier
Bias circuit
power supply line
Input amplifier
ST-BY power
supply line
Amplifier
bias circuit
相關PDF資料 |
PDF描述 |
|---|---|
| LA4743B | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA47501 | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA47503 | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA47510 | 48 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
| LA47516 | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LA4743B | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:45 W Four-Channel (Bridge Circuit) Power Amplifier |
| LA4743J | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4743K-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
| LA474M | 制造商:Cornell Dubilier Electronics 功能描述: 制造商:Mallory Sonalert Products Inc 功能描述: |
| LA47501 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:BTL4ch(50W】4) |
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