The following diagram is the circuit diagram of power amplifier based power IC TDA2040. The circuit capable to deliver power audio output up to 20W with single power supply. The TDA2040 is intended for use as a class AB audio amplifier.
The TDA2040 delivers great output current and has quite low harmonic and cross-over distortion. Further the device incorporates a patented short circuit protection program comprising an arrangement for automatically limiting the dissipated power so as to keep the working point on the output transistors within their secure operating area. A thermal shut-down method is also included.
You can download the TDA2040 datasheet here
20W Power Amplifier Circuit based TDA2040
You can download the TDA2040 datasheet here
20W Power Amplifier Circuit based TDA2040
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