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參數資料
| 型號： | LA4625 |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 13.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM14 |
| 封裝： | SIP-14 |
| 文件頁數： | 5/8頁 |
| 文件大小： | 151K |
| 代理商： | LA4625 |
LA4625
No.6631-5/8
4. Protection circuits
Due to the system structure of the protection circuit for shorts to VCC or ground, if there is a DC resistance
between the amplifier output pins and ground, the protection circuit may operate when power is first applied and
the amplifier may fail to turn on. The basic design approach we recommend is not to adopt any designs in which
there is a DC resistance between the amplifier outputs and ground.
The LA4625 includes a built-in thermal protection circuit to prevent the IC from being damaged or destroyed if
abnormally high temperatures occur. This thermal protection circuit gradually reduces the output if the IC
junction temperature (Tj) reaches the range 170 to 180
°C due to inadequate heat sinking or other problem. If the
temperature falls, the amplifier will restart automatically.
The LA4625 also includes other protection circuits. Use of these circuits also requires care during end product
design and testing.
5. Other notes
The LA4625 is a BTL power amplifier. When testing this device, the ground systems for the test equipment
connected to IC inputs, and that for the test equipment connected to IC outputs, must be isolated. Do not use a
common ground.
Printed Circuit Pattern
(copper foil side)
相關PDF資料 |
PDF描述 |
|---|---|
| LA4625 | 13.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM14 |
| LA4627N | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP12 |
| LA4627 | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP12 |
| LA4628 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM14 |
| LA4628 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM14 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LA4625_08 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-channel 13.5W BTL Audio Power Amplifier |
| LA4625_10 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-channel 13.5W BTL Audio Power Amplifier |
| LA4625-E | 功能描述:音頻放大器 2-CH POWER AMPLIFIER 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 |
| LA4625-P-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 |
| LA4627 | 制造商:Panasonic Industrial Company 功能描述:IC |
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