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参数资料
| 型号： | LV47004P |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 41 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封装： | HZIP-25 |
| 文件页数： | 6/9页 |
| 文件大小： | 315K |
| 代理商： | LV47004P |
LV47004P
No.A1798-6/9
5. Sound quality (low frequencies)
By varying the value of input capacitor, low-frequency characteristic can be improved.
However, it is concerned the shock noise. Please confirm in each set when the capacitance value varies.
6. Pop noise
For pop noise prevention, it is recommended to use the muting function at the same time.
Please turn on the muting function simultaneously with power supply on when the amplifier is turned on. Next, turn
off the muting function after the output DC potential stabilization.
When the amplifier is turn off, turn off the power supply after turning on the muting function.
7. Oscillation stability
Pay due attention on the following points because parasitic oscillation may occur due to effects of the capacity load,
board layout, etc.
Board layout
Provide the VCC capacitor of 0.1μF in the position nearest to IC.
PREGND must be independently wired and connected to the GND point that is as stable as possible, such as the
minus pin of the 2200
μF VCC capacitor.
In case of occurrence of parasitic oscillation, any one of following parts may be added as a countermeasure.
Note that the optimum capacitance must be checked for each set in the mounted state.
Series connection of CR (0.1μF and 2.2Ω) between BTL outputs
Series connection of CR(0.1μF and 2.2Ω) between each output pin and GND.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV47004P_12 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:For Car Audio Systems 4-Channel BTL Power Amplifier |
| LV47004P-E | 功能描述:音频放大器 41W 4CH AB POWER AMP 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 |
| LV47004PGEVB | 制造商:ON Semiconductor 功能描述:EVABD FOR LV47004P - Boxed Product (Development Kits) |
| LV47006P-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 |
| LV47009P | 制造商:未知厂家 制造商全称:未知厂家 功能描述:For Car Audio Systems,4-Channel BTL Power Amplifier |
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