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LM4940 - 6W Stereo Audio Power Amplifier

Datasheet Summary

Description

The LM4940 is a dual audio power amplifier primarily designed for demanding applications in flat panel monitors and TVs.

It is capable of delivering 6 watts per channel to a 4Ω load with less than 10% THD+N while operating on a 14.4VDC power supply.

Features

  • 1.
  • 23 Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions.
  • Low Current, Active-Low Shutdown Mode.
  • Low Quiescent Current.
  • Stereo 6W Output, RL = 4Ω.
  • Short Circuit Protection.
  • Unity-Gain Stable.
  • External Gain Configuration Capability.

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Datasheet preview – LM4940

Datasheet Details

Part number LM4940
Manufacturer Texas Instruments
File Size 1.11 MB
Description 6W Stereo Audio Power Amplifier
Datasheet download datasheet LM4940 Datasheet
Additional preview pages of the LM4940 datasheet.

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Full PDF Text Transcription

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LM4940 www.ti.com SNAS219C – OCTOBER 2003 – REVISED MAY 2013 LM4940 6W Stereo Audio Power Amplifier Check for Samples: LM4940 FEATURES 1 •23 Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions • Low Current, Active-Low Shutdown Mode • Low Quiescent Current • Stereo 6W Output, RL = 4Ω • Short Circuit Protection • Unity-Gain Stable • External Gain Configuration Capability APPLICATIONS • Flat Panel Monitors • Flat Panel TVs • Computer Sound Cards KEY SPECIFICATIONS • Quiscent Power Supply Current: 40mA (max) (SE) • POUT VDD = 14.4V, RL = 4Ω, 10% THD+N: 6 W (typ) • Shutdown Current: 40µA (typ) DESCRIPTION The LM4940 is a dual audio power amplifier primarily designed for demanding applications in flat panel monitors and TVs.
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