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LM4853 - Power Amplifier

General Description

The LM4853 is an audio power amplifier capable of delivering 1.5W (typ) of continuous average power into a mono 4Ω bridged-tied load (BTL) with 1% THD+N or 95mW per channel of continuous average power into stereo 32Ω single-ended (SE) loads with 1% THD+N, using a 5V power supply.

Key Features

  • 1.
  • 2 Mono 1.5W BTL or Stereo 300mW Output.
  • Headphone Sense.
  • “Click and Pop” Suppression Circuitry.
  • No Bootstrap Capacitors Required.
  • Thermal Shutdown Protection.
  • Unity-Gain Stable.
  • Available in Space-Saving VSSOP and WSON Packaging.

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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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LM4853 www.ti.com SNAS155E – JANUARY 2002 – REVISED MAY 2013 LM4853 Mono 1.5 W / Stereo 300mW Power Amplifier Check for Samples: LM4853 FEATURES 1 •2 Mono 1.5W BTL or Stereo 300mW Output • Headphone Sense • “Click and Pop” Suppression Circuitry • No Bootstrap Capacitors Required • Thermal Shutdown Protection • Unity-Gain Stable • Available in Space-Saving VSSOP and WSON Packaging APPLICATIONS • Portable Computers • Desktop Computers • PDA's • Handheld Games KEY SPECIFICATIONS • Output Power at 1% THD+N, 1kHz: – LM4853LD 3Ω BTL 1.9W (typ) – LM4853LD 4Ω BTL 1.7W (typ) – LM4853MM 4Ω BTL 1.5W (typ) – LM4853MM,LD 8Ω BTL 1.1W (typ) – LM4853MM,LD 8Ω SE 300mW (typ) – LM4853MM,LD 32Ω SE 95mW (typ) • THD+N at 1kHz, 95mW into 32Ω SE 1% (typ) • Single Supply Operation 2.4 to 5.