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LM4865 - 750mW Audio Power Amplifier

General Description

The LM4865 is a mono bridged audio power amplifier with DC voltage volume control.

The LM4865 is capable of delivering 750mW of continuous average power into an 8Ω load with less than 1% THD when powered by a 5V power supply.

Key Features

  • 1.
  • 2 DC Voltage Volume Control.
  • Headphone Amplifier Mode.
  • “Click and Pop” Suppression.
  • Shutdown Control When Volume Control Pin Is Low.
  • Thermal Shutdown Protection.

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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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LM4865 www.ti.com SNAS035G – DECEMBER 1999 – REVISED MAY 2013 LM4865 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch Check for Samples: LM4865 FEATURES 1 •2 DC Voltage Volume Control • Headphone Amplifier Mode • “Click and Pop” Suppression • Shutdown Control When Volume Control Pin Is Low • Thermal Shutdown Protection APPLICATIONS • GSM Phones and Accessories, DECT, Office Phones • Hand Held Radio • Other Portable Audio Devices KEY SPECIFICATION • PO at 1.0% THD+N Into 8Ω SOIC, Micro SMD 750 mW (typ) • PO at 10% THD+N Into 8Ω SOIC, Micro SMD 1W (typ) • Shutdown Current 0.7µA(typ) • Supply Voltage Range 2.7V to 5.5 V DESCRIPTION The LM4865 is a mono bridged audio power amplifier with DC voltage volume control.