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參數(shù)資料
| 型號： | LA4625-E |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BTL PWR AMP 13.5W 2CH SIP14HZ |
| 標(biāo)準(zhǔn)包裝： | 20 |
| 類型： | AB 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 13.5W x 2 @ 4 歐姆 |
| 電源電壓： | 7.2 V ~ 20 V |
| 特點： | 消除爆音，短路和熱保護，待機 |
| 安裝類型： | 通孔 |
| 供應(yīng)商設(shè)備封裝： | 14-SIPHZ |
| 封裝/外殼： | 14-SIP，裸露焊盤，成形引線 |
| 包裝： | 管件 |
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)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4625-P-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4627 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4627-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4627HK-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4627N | 制造商:Panasonic Industrial Company 功能描述:IC 制造商:SANYO Semiconductor Co Ltd 功能描述:2Ch Audio Freq Pwer Amp Sanyo IC 12-Pin DIP-F |
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