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參數資料
| 型號： | LA4147 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.9 W, 2 CHANNEL, AUDIO AMPLIFIER, SIP9 |
| 封裝： | SIP-9 |
| 文件頁數： | 4/7頁 |
| 文件大小： | 340K |
| 代理商： | LA4147 |
LA4147
Νο.1598-4/7
Description of external parts
C1 (47
μF) : Feedback capacitor (NF capacitor)
Low cutoff frequency fL depends on this capacitor. fL = 90Hz for C1 = 47μF. Decreasing the capacitor
value makes the starting time earlier.
C2 (100
μF) : Bootstrap capacitor
C3 (0.15
μF) : Oscillation blocking capacitor
It is recommended to use a polyester film capacitor being good in temperature characteristic, high
frequency characteristic.
C4 (470
μF) : Output capacitor
C5 (47
μF) : Decoupling capacitor
Serves to reject ripple. The starting time depends on this capacitor. Increasing the capacitor value makes
the starting time later.
C6 (470
μF) : Power capacitor
Place as close to the power pin of the IC as possible.
R1 (30k
Ω) : Input bias resistor
Serves to apply input bias. The input impedance almost entirely depends on this resistor value. If a
variable resistor also serves for this purpose, this resistor can be omitted. In this case, it is recommended
to use a resistor of 30k
Ω.
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相關代理商/技術參數 |
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|---|---|
| LA4160 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4162 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:SINGLE-CHIP AF AMPLIFIER |
| LA4165M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Recording/Playback IC for Micro-Cassette Tape Recorder |
| LA4166M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Recording and Playback System for Microcassette Players |
| LA4167M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1-Channel Record/Playback System for Microcassette and Cassette Recorders |
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