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LM4871M - 3W Audio Power Amplifier

Download the LM4871M datasheet PDF. This datasheet also covers the LM4871 variant, as both devices belong to the same 3w audio power amplifier family and are provided as variant models within a single manufacturer datasheet.

Description

The LM4871 is a mono bridged audio power amplifier capable of delivering 3W of continuous average power into a 3Ω load with less than 10% THD when powered by a 5V power supply (see Note).

Features

  • 1.
  • 2 No Output Coupling Capacitors, Bootstrap Capacitors, or Snubber Circuits Required.
  • Unity-gain Stable.
  • WSON, VSSOP, SOIC, or PDIP Packaging.
  • External Gain Configuration Capability.
  • Pin Compatible with the LM4861.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM4871-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM4871 1.1W Audio Power Amplifier National Semiconductor
LM4870 1.1W Audio Power Amplifier National Semiconductor
LM4872 1Watt Audio Power Amplifier National Semiconductor
LM4873 Dual 2.1W Audio Amplifier National Semiconductor
LM4874 BTL Output Stereo Audio Amplifier National Semiconductor

Other Datasheets by Texas Instruments

Part Number Description
LM4871 3W Audio Power Amplifier
LM4873 Dual 2.1W Audio Amplifier
LM4875 750mW Audio Power Amplifier
LM4876 1.1W Audio Power Amplifier
LM4879 1.1 Watt Audio Power Amplifier

Full PDF Text Transcription

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LM4871 www.ti.com SNAS002F – FEBRUARY 2000 – REVISED MAY 2013 LM4871 3W Audio Power Amplifier with Shutdown Mode Check for Samples: LM4871 FEATURES 1 •2 No Output Coupling Capacitors, Bootstrap Capacitors, or Snubber Circuits Required • Unity-gain Stable • WSON, VSSOP, SOIC, or PDIP Packaging • External Gain Configuration Capability • Pin Compatible with the LM4861 APPLICATIONS • Portable Computers • Desktop Computers • Low Voltage Audio Systems KEY SPECIFICATIONS • PO at 10% THD+N, 1kHz – LM4871LD: 3Ω , 4Ω Loads; 3W (typ), 2.5 W (typ) – All other LM4871 Packages: 8Ω load 1.5 W (typ) • Shutdown Current 0.6µA (typ) • Supply Voltage Range 2.0V to 5.5 V • THD at 1kHz at 1W Continuous Average Output Power into 8Ω 0.
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