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LM4861 - 1.1W Audio Power Amplifier

General Description

The LM4861 is a bridge-connected audio power amplifier capable of delivering 1.1W of continuous average power to an 8Ω load with 1% THD+N using a 5V power supply.

Key Features

  • 1.
  • 2 No output coupling capacitors, bootstrap capacitors, or snubber circuits are necessary.
  • Small Outline (SOIC) packaging.
  • Compatible with PC power supplies.
  • Thermal shutdown protection circuitry.
  • Unity-gain stable.
  • External gain configuration capability.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM4861 www.ti.com SNAS095C – MAY 1997 – REVISED MAY 2013 LM4861 1.1W Audio Power Amplifier with Shutdown Mode Check for Samples: LM4861 FEATURES 1 •2 No output coupling capacitors, bootstrap capacitors, or snubber circuits are necessary • Small Outline (SOIC) packaging • Compatible with PC power supplies • Thermal shutdown protection circuitry • Unity-gain stable • External gain configuration capability APPLICATIONS • Personal computers • Portable consumer products • Self-powered speakers • Toys and games KEY SPECIFICATIONS • THD+N for 1kHz at 1W continuous average output power into 8Ω 1.0% (max) • Output power at 10% THD+N at 1kHz into 8Ω 1.5 W (typ) • Shutdown Current 0.6µA (typ) DESCRIPTION The LM4861 is a bridge-connected audio power amplifier capable of delivering 1.