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LM4781 - 3-Channel 35W Audio Power Amplifier

Datasheet Summary

Description

The LM4781 is a three channel audio amplifier capable of typically delivering 35W per channel of continuous average output power into an 8Ω load with less than 0.5% THD+N from 20Hz - 20kHz.

Features

  • 1.
  • 23 SPiKe Protection.
  • Low External Component Count.
  • Quiet Fade-In/Out Mute Mode.
  • Wide Supply Range: 20V - 70V.
  • Signal-to-Noise Ratio ≥ 93dB (ref. to PO = 1W).

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Datasheet preview – LM4781

Datasheet Details

Part number LM4781
Manufacturer Texas Instruments
File Size 1.65 MB
Description 3-Channel 35W Audio Power Amplifier
Datasheet download datasheet LM4781 Datasheet
Additional preview pages of the LM4781 datasheet.

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Full PDF Text Transcription

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LM4781, LM4781TABD www.ti.com SNAS208A – AUGUST 2003 – REVISED APRIL 2013 LM4781 Overture™ Audio Power Amplifier Series 3 Channel 35W Audio Power Amplifier with Mute Check for Samples: LM4781, LM4781TABD FEATURES 1 •23 SPiKe Protection • Low External Component Count • Quiet Fade-In/Out Mute Mode • Wide Supply Range: 20V - 70V • Signal-to-Noise Ratio ≥ 93dB (ref. to PO = 1W) APPLICATIONS • Audio Amplifier for Component Stereo • Audio Amplifier for Compact Stereo • Audio Amplifier for Self-Powered Speakers • Audio Amplifier for High-End and HD TVs KEY SPECIFICATIONS • Output Power/Channel with 0.5% THD+N, 1kHz into 8Ω: 35W (typ) • THD+N at 3 x 20W into 8Ω (20Hz - 20kHz): 0.2% (typ) • THD+N at 3 x 20W into 6Ω (20Hz - 20kHz): 0.3% (typ) • THD+N at 3 x 20W into 4Ω (20Hz - 20kHz): 0.
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