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LN4871 - 3W Audio Power Amplifier

General Description

The LN4871 is a bridge-connected audio power amplifier capable of delivering typically 3W of continuous average power to an 3Ω load with10% (THD) from a 5V power supply.

Key Features

  • an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. The unity-gain stable LN4871 can be configured by external gain-setting resistors.
  • Key Specifications.
  • Power Output @10% THD+N & VDD=5V 1KHZ RL=3Ω 3W (TYP) RL=4Ω 2.5W (TYP).
  • THD+N@ 1KHZ 1W 8Ω 0.5%(MAX).
  • Shutdown current 0.1uA(TYP. ) Supply voltage 2.0V~6.0V.
  • Ordering Inf.

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Datasheet Details

Part number LN4871
Manufacturer natlinear
File Size 551.44 KB
Description 3W Audio Power Amplifier
Datasheet download datasheet LN4871 Datasheet

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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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3W Audio Power Amplifier With Shutdown Mode LN4871 ■ General Description The LN4871 is a bridge-connected audio power amplifier capable of delivering typically 3W of continuous average power to an 3Ω load with10% (THD) from a 5V power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LN4871 does not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is optionally suited for low-power portable systems. The LN4871 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. The unity-gain stable LN4871 can be configured by external gain-setting resistors.