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LM4731 - Stereo 25W Audio Power Amplifier

Datasheet Summary

Description

The LM4731 is a stereo audio amplifier capable of delivering typically 25W per channel of continuous average output power into a 4Ω or 8Ω load with less than 10% THD+N from 20Hz - 20kHz.

Features

  • n Minimal amount of external components necessary n Quiet fade-in/out mute mode n Low current Standby-mode.

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Datasheet preview – LM4731

Datasheet Details

Part number LM4731
Manufacturer National Semiconductor
File Size 640.45 KB
Description Stereo 25W Audio Power Amplifier
Datasheet download datasheet LM4731 Datasheet
Additional preview pages of the LM4731 datasheet.

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Full PDF Text Transcription

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LM4731 Stereo 25W Audio Power Amplifier with Mute and Standby Modes July 2003 LM4731 Stereo 25W Audio Power Amplifier with Mute and Standby Modes General Description The LM4731 is a stereo audio amplifier capable of delivering typically 25W per channel of continuous average output power into a 4Ω or 8Ω load with less than 10% THD+N from 20Hz - 20kHz. Each amplifier has an independent smooth transition fadein/out mute and a power conserving standby mode which can be controlled by external logic. The LM4731 has short circuit protection and a thermal shut down feature that is activated when the die temperature exceeds 150˚C. The LM4731 also has a under voltage lock out feature for click and pop free power off and on.
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