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参数资料
| 型号： | LA4725 |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM14 |
| 封装： | SIP-14 |
| 文件页数： | 3/8页 |
| 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.)
相关PDF资料 |
PDF描述 |
|---|---|
| LA4725 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM14 |
| 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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LA4725_09 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:2-channel 30W BTL Audio Power Amplifier |
| LA4725-E | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LA4728 | 制造商:SANYO 制造商全称: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:未知厂家 制造商全称:未知厂家 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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