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LM4952 - 3.1W Stereo-SE Audio Power Amplifier

Datasheet Summary

Description

The LM4952 is a dual audio power amplifier primarily designed for demanding applications in flat panel monitors and TV’s.

It is capable of delivering 3.1 watts per channel to a 4Ω single-ended load with less than 1% THD+N when powered by a 12VDC power supply.

Features

  • a low-power consumption active-low shutdown mode. Additionally, the LM4952 features an internal thermal shutdown protection mechanism along with short circuit protection. The LM4952 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions. Key Specifications j Quiscent Power Supply Current j POUT 18mA (typ) 3.8W (typ) 55µA (typ) VDD = 12V, RL = 4Ω, 10% THD+N j Shutdown current Features n Pop & click circuitry eliminate.

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Datasheet preview – LM4952

Datasheet Details

Part number LM4952
Manufacturer National Semiconductor
File Size 749.20 KB
Description 3.1W Stereo-SE Audio Power Amplifier
Datasheet download datasheet LM4952 Datasheet
Additional preview pages of the LM4952 datasheet.

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Full PDF Text Transcription

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August 2004 www.DataSheet4U.com LM4952 3.1W Stereo-SE Stereo Audio Power Amplifier with DC Volume Control LM4952 3.1W Stereo-SE Audio Power Amplifier with DC Volume Control General Description The LM4952 is a dual audio power amplifier primarily designed for demanding applications in flat panel monitors and TV’s. It is capable of delivering 3.1 watts per channel to a 4Ω single-ended load with less than 1% THD+N when powered by a 12VDC power supply. Eliminating external feedback resistors, an internal, DCcontrolled, volume control allows easy and variable gain adjustment. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4952 does not require bootstrap capacitors or snubber circuits.
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