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参数资料
| 型号： | TDA1904 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 4.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP16 |
| 封装： | POWER, DIP-16 |
| 文件页数： | 9/10页 |
| 文件大小： | 239K |
| 代理商： | TDA1904 |
THERMAL SHUT-DOWN
The presence of a thermal limiting circuit offers the
following advantages:
1) An overload on the output (even if it is perma-
nent), or an above limit ambient temperature
can be easily tolerated since the Tj cannot be
higher than 150
°C.
2) The heatsink can have a smaller factor of safety
compared with that of a conventional circuit.
There is no possibility of device damage due to
high junction temperature.
If for any reason, the junction temperature in-
crease up to 150
°C, the thermal shut-down
simply reduces the power dissipation and the
current consumption.
Figure 21. Example of heatsink using PC board
copper (l = 65 mm)
MOUNTING INSTRUCTION
The TDA 1904 is assembled in the Powerdip, in
which 8 pins (from 9 to 16) are attached to the frame
and remove the heat produced by the chip.
Figure 21 shows a PC board copper area used as
a heatsink (I = 65 mm).
The thermal resistance junction-ambient is 35
°C.
8/10
TDA1904
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA1905 | 功能描述:音频放大器 5W Audio Amplifier 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 |
| TDA1905 | 制造商:STMicroelectronics 功能描述:IC AUDIO AMP + MUTE 5W |
| TDA1908 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8W AUDIO AMPLIFIER |
| TDA1910 | 功能描述:音频放大器 10W Audio Amplifier 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 |
| TDA1910_03 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:10W AUDIO AMPLIFIER WITH MUTING |
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