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參數資料
| 型號： | LA4725 |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM14 |
| 封裝： | SIP-14 |
| 文件頁數： | 3/8頁 |
| 文件大小： | 124K |
| 代理商： | LA4725 |
LA4725
No.5715-3/8
Block Diagram
0.1F
R4
C9**
C8**
R5
2.2
2.2
RL
4
RL
4
-OUT2
+OUT2
+
OFF
RIPPLE
FILTER
+
BIAS
CIRCUIT
STANDBY
SW
POP NOISE
PREVENTION
CIRCUIT
PREDRIVER
POWER
LOAD SHORT
PROTECTOR
OUTPUT PIN TO VCC
SHORT PROTECTOR
OUTPUT PIN TO VCC
SHORT PROTECTOR
OUTPUT PIN TO GND
SHORT PROTECTOR
OUTPUT PIN TO GND
SHORT PROTECTOR
PREDRIVER
POWER
OVER VOLTAGE /
SURGE PROTECTOR
THERMAL
SHUT DOWN
LOAD SHORT
PROTECTOR
VCC
+
ON
R1
10K
+5V
C4
2.2F
25V
33F
25V
0.47F
25V
2.2F
25V
C1
100F/25V
VCC
C5
2200F
25V
+
-OUT1
+OUT1
+
POWER
GND2
+
C3
C10
**
(POLYESTER FILM
CAPACITOR)
+
IN
C2
PRE GND
IN2
POWER
GND1
14
2
1
3
4
6
7
5
11
12
13
0.1F
R2
C7**
C6**
R3
2.2
2.2
9
10
8
+
IN
C3
Sets the amplifier starting time
(Approximately 0.6 seconds when 33F)
C10
Impulse noise reduction
(Note : The device’s ability to withstand shorting
to VCC or shorting to ground when VCC is
around 16V may be reduced as the value of this
capacitor is increased. We recommend 0.47F.)
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PDF描述 |
|---|---|
| LA4741 | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM23 |
| LA4742 | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA4743A | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA4743B | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA47501 | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LA4725_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-channel 30W BTL Audio Power Amplifier |
| LA4725-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4728 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-Channel BTL Power Amplifier 35 W+35 W with Standby Switch for Car Stereos |
| LA4735 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LA473M | 制造商:Cornell Dubilier Electronics 功能描述: 制造商:Mallory Sonalert Products Inc 功能描述: |
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