Lets have a look at the part list, though ive mentioned value of each component in the circuit diagram before. The tda2003 is an audio amplifier ic from st microelectronics with a maximum output power of 10w commonly used in stereo amplification in. Pcb layout for this circuit can be found on the datasheet of tda2003. How to create simple audio amplifier with tda 2003, pdf schematic using 12v battery or atx power supply. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Tda2003 linear integrated circuit datasheet catalog. Tda2003 10w amplifier circuit diagram with parts list. In particular, the tda 2003 can drive a coupling transformer for audio modulation. The tda2003 is a low cost audio chip amplifier that can put out some really nice. Circuit diagram of 3w to 6w audio amplifier using tda2003. Tda2003 amplifier circuit diagram 10 watt circuits diy.
Many power amplifier circuit diagram with pcb layout. How to make audio amplifier double tda2003 circuit at home. Tda2003 is a monolithic audio power amplifier integrated circuit. The ic can easily deliver 10w to a 4 ohms load at 18v. Tda2003 10w car radio audio amplifier description the tda 2003 has improved performance with the same pin configuration as the tda 2002. How to make audio amplifier double tda2003 circuit at home circuit diagram and pcb in pdf. A simple low power car stereo amplifier circuit based on tda 2003 is shown here.
Tda2003 10w audio amplifier pinout, datasheet, features. Tda2003 is a cheap amplifier that is designed to run on single rail power supplies unipolar. It supports up to 28 volts of operating voltage and can withstand input voltage. Tda2003 is a robust automotive grade audio amplifier ic. It provides a high output current capability up to 3. Here is the circuit diagram of a 10w audio amplifier using the popular tda2003 ic from sgs thomson.
You may want to use an effective volume and and basstreble control circuit before the audio input. The circuit uses cheap, readily available components and it is very easy to construct. Here vr1 is acts as a volume control in this circuit. Pin 1 of tda2003 is the input terminal, which is connected to ground through a 100kiloohm resistor. It is better to use a pcb for assembling this circuit. Car audio amplifier circuit schematic using tda2003. In particular, the tda 2003 can drive a coupling transformer for. Input ground and output ground must be properly decoupled. Dc test circuit obsolete products obsolete products figure 3.
The circuit has been carefully adjusted, easy to find components to. On the tda 2003 protection diodes are included to avoid. A guide for building tda2003 bridged and stereo amplifiers. Tda2003 linear integrated circuit 1 10w car radio audio amplifier description thecontek tda2003 is a monolithic audio power amplifier integrated circuit. How to make a 12v amplifier, simple audio amplifier. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic. The amplifier ic delivers 3w output power using a 6v, 500ma power supply, and 6w output power using a 12v, 500ma power supply, with an 8ohm, 6watt speaker. You can use this powerful amplifier in any small audio project.
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