Wednesday, September 17, 2014

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Portable Amplifier based on TEA2025

This is the diagram of simple portable amplifier schema. This amplifier schema build based on IC TEA2025 that is a monolithic integrated audio amplifier of 16-pin plastic dual in line package built by UTC manufacture. The schema has an internal thermal protection. The schema designed for portable cassette players and radios. You can also use as PC audio amplifier.

Here the amplifier diagram for stereo audio input/output:

Portable

and here the amplifier with mono audio input/output (bridge):

Portable

Stereo per channel
VCC=9V; RL=4 ohm/3W
VCC=9V; RL=8 ohm/2W

Bridge Application
VCC=9V; RL=8 ohm/5W
VCC=9V; RL=4 ohm/8W

Supply Voltage min = DC3v @ 500mA
Supply Voltage max = DC12v @ 500mA
Supply Voltage recommended = DC9v @500mA

Download TEA2025 Datasheet
Download the schematic diagram in PDF format HERE

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