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AA4838A

更新时间： 2024-11-26 06:35:43

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AA4838A 数据手册

AA4838

Agamem Microelectronics Inc.

PRELIMINARY

AUDIO POWER AMPLIFIER

■ DESCRIPTION

The AA4838 is a monolithic integrated circuit that provides DC volume control, and stereo

bridged audio power amplifiers capable of producing 2W into 4Ωwith less than 1.0% THD or

2.2W into 3Ωwith less than 1.0% THD. The audio integrated circuits were designed

specifically to provide high quality audio while requiring a minimum amount of external

components. The AA4838 incorporates a DC volume control, stereo bridged audio power

amplifiers and a selectable gain or bass boost, making it optimally suited for multimedia

monitors, portable radios, and desktop and portable computer applications. The AA4838

features an externally controlled, low-power consumption shutdown mode, and both a power

amplifier and headphone mute for maximum system flexibility and performance.

■ FEATURES

• DC volume control interface.

• System beep detects.

• Stereo switchable bridged/single-ended power amplifiers

• Selectable internal/external gain or bass boost

• “Click and pop” suppression circuitry

• Thermal shutdown protection circuitry

■ APPLICATIONS

• Portable and desktop computers

• Multimedia monitors

• Portable radios, PDAs, and portable TVs

©Copyright Agamem Microelectronics Inc.

www.agamem.com.tw

2008/8/26

AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE

TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT ASSUME ANY

LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTS OR CIRCUIT DESRIBED HEREIN; NEITHER

DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

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