350mW Audio Power Amplifier with Shutdown Mode


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The LM4819 is a mono bridged power amplifier that is capable of delivering 350mWRMS output power into a 16Ω load or 300mWRMS output power into an 8Ω load with 10% THD+N from a 5V power supply.

This LM4819MBD is an evaluation board designed to ease the evaluation and effort during the development of a circuit using the LM4819M. It is an easy to use stand-alone board that requires power and GND, an input signal and an output load.

  • Available in SOP surface mount package.
  • Switch on/off click suppression.
  • Unity-gain stable.
  • Minimum external components.


  • General purpose audio
  • Portable electronic devices
  • Information Appliances (IA)


Speaker amps
LM4819 350-mW, mono, analog input Class-AB audio amplifier & VSSOP package

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Evaluation board

LM4819MBD/NOPB – 350mW Audio Power Amplifier with Shutdown Mode

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* Data sheet LM4819  350mW Audio Power Amplifier with Shutdown Mode datasheet (Rev. D) Mar. 21, 2013
More literature LM4819MBD/NOPB EU Declaration of Conformity (DoC) Jan. 02, 2019

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