MINI STEREO AUDIO AMPLIFIER

Monday May 6, 2019 / Ibrar Ayyub

This project is a Mini Stereo Audio Amplifier based on TDA2822 IC.

MINI STEREO AUDIO AMPLIFIER 4

DESCRIPTION

The dual low power amplifier built around TDA2822 8pin DIP. IC, it is mainly designed to use in portable players, radios and other building block project. A 3V supply can be used to drive headphones providing 20mW in 32 Ohms per channel, and a 12V power supply will provide 1W in 8 Ohm per channel for small loudspeakers.

SPECIFICATIONS

  • Supply 9V DC (supply Range 3V to 12V)
  • Load 8 Ohm Speaker
  • Gain 39dB
  • Input Impedance 100K Ohm
  • THD 10%
  • Frequency Response 20Hz to 20Khz

SCHEMATIC

MINI STEREO AUDIO AMPLIFIER 4

 

PARTS

MINI STEREO AUDIO AMPLIFIER 4

 

PCB

MINI STEREO AUDIO AMPLIFIER 4

MINI STEREO AUDIO AMPLIFIER 4

 

Source: MINI STEREO AUDIO AMPLIFIER

Categories: Electronics News and Updates
Tags: amplifier, audio, mini stereo

About The Author

I am an experienced technical writer with a Master's degree in computer science from BZU Multan University. I have written for various industries, mainly home automation, and engineering. I have a clear and simple writing style and am skilled in using infographics and diagrams. I am a great researcher and is able to present information in a well-organized and logical manner.