Car Stereo Amplifier Circuit with TDA2040 is shown here. TDA2040 is a monolithic integrated audio amplifier operating in Class AB mode. The IC has built in short circuit protection circuitry and thermal very close and more about it can be operated from a single source. The amplifier can deliver 12 watts into a 8 ohm speaker.
In the circuit of the IC is connected to operate from a 12V car line. Capacitor C7 is the DC input decoupling capacitor and provides information R4. Network consisting of resistor R5 and capacitor C5 provides high frequency stability and avoids any possibility of oscillation. C6 capacitor couples the output circuits to the speaker. C2 and C1 are the filters in the power supply.
In the circuit of the IC is connected to operate from a 12V car line. Capacitor C7 is the DC input decoupling capacitor and provides information R4. Network consisting of resistor R5 and capacitor C5 provides high frequency stability and avoids any possibility of oscillation. C6 capacitor couples the output circuits to the speaker. C2 and C1 are the filters in the power supply.