MINI STEREO AUDIO AMPLIFIER




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




READ  How to Build a Class-D Power Amp

Leave a Comment

*
= 4 + 1

Read previous post:
SAMSUNG BREAKS TERABYTE THRESHOLD FOR SMARTPHONE STORAGE WITH EUFS
SAMSUNG BREAKS TERABYTE THRESHOLD FOR SMARTPHONE STORAGE WITH EUFS

Powered by the company’s fifth-generation V-NAND, the new Universal Flash Storage offers 20x more storage than a 64GB internal memory...

Close
Scroll to top