Wednesday, September 17, 2014
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:
and here the amplifier with mono audio input/output (bridge):
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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