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參數(shù)資料
| 型號： | TDA1521 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 x 12 W hi-fi audio power amplifier |
| 中文描述： | 12 W, 2 CHANNEL, AUDIO AMPLIFIER, PSIP9 |
| 封裝： | POWER, PLASTIC, SOT-131, SIP-9 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 150K |
| 代理商： | TDA1521 |
July 1994
8
Philips Semiconductors
Product specification
2 x 12 W hi-fi audio power amplifier
TDA1521
TDA1521Q
APPLICATION INFORMATION
Input mute circuit
The input mute circuit operates only during switching on and off of the supply voltage. The circuit compares the 1/2 supply
voltage (at pin 3) with an internally fixed reference voltage (V
ref
), derived directly from the supply voltage. When the
voltage at pin 3 is lower than V
ref
the non-inverting inputs (pins 1 and 9) are disconnected from the amplifier. The voltage
at pin 3 is determined by an internal voltage divider and the external 100
μ
F capacitor.
During switching on, a time delay is created between the reference voltage and the voltage at pin 3, during which the
input terminal is disconnected, (as illustrated in Fig.3).
Fig.3 Input mute circuit; time delay.
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| TDA1523 | Stereo cassette head preamplifier and equalizer |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA1521A | 制造商:n/a 功能描述:TDA1521A 制造商:NXP Semiconductors 功能描述: |
| TDA1521AU | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Audio Amplifier |
| TDA1521Q | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 12 W hi-fi audio power amplifier |
| TDA1522 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:雙前置放大器 |
| TDA1523 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Stereo cassette head preamplifier and equalizer |
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