10 Watt Car Audio Amplifier

TDA2003 is my favorite audio amplifier integrated circuit chip in 10 Watt class. All you need is just adding few passive components and your amplifier will be ready. You can even amplify ultrasonic range if you wish to abuse its usage, just to convince you that this chip is more than enough to handle any range of audio signal. Although many manufacturer produce this TDA2003 chip, in general, this various chip from various manufacturer normally comply with these following features: Short circuit protection between all pins, High current output ( up to 3 A), Built-in Over temperature protection, and Low harmonic and crossover distortion.


Figure 1. Typical TDA2003 Audio Amplifier Application


Figure 2. TDA2003 Audio Amplifier in Bridge Configuration

Figure 1 Show the circuit schematic diagram for typical application, can be operated for 12-18 DC power supply. Figure 2 show the application in bridge mode, giving more output to the loud speaker.

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