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參數資料
| 型號： | AN12942B |
| 廠商： | PANASONIC CORP |
| 元件分類： | 消費家電 |
| 英文描述： | Audio signal processing IC for notebook PC |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO56 |
| 封裝： | 0.300 INCH, PLASTIC, HSOP-56 |
| 文件頁數： | 1/31頁 |
| 文件大小： | 577K |
| 代理商： | AN12942B |
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Publication date: June 2003
1
SDC00047AEB
ICs for Audio Common Use
AN12942B
Audio signal processing IC for notebook PC
Overview
AN12942B is an one-chip IC for the stereo speakers which can output 1 W by 8
, headphone amplifiers, line amplifiers, and
electronic volumes.
The AGC circuit is built-in to prevent the resonance or the vibration by the speaker’s energy and the clipping distortion what is
called "broken up sound".
Also the AN12942B is built-in power saving on/off function automatically detecting input signal to save the power of speaker
amplifier.
Features
Speaker amplifier
1 W
×
2-channel: 8
, V
CC
=
5 V
Built-in AGC circuit
Prevention of the resonance or the vibration due to the speaker and the clipping distortion by AGC at excessive input signal
(with AGC on/off switch).
Built-in automatic power saving function.
It detects input signals and switches on/off (with the on/off switch for the auto power saving).
Built-in headphone amplifier and line amplifier
Applications
Notebook PC
Package
Dual surface implementing package (HSOP056-P-0300A)
Type
Silicon monolithic bipolar IC
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| AN12943A | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Audio signal processing IC for notebook PC |
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| AN12974A | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Stereo power amplifier with built-in AGC circuitry and SPATIALIZER |
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