40W Dual-Bridge Amplifier TDA7374 Circuit

Introduction

The 40W Dual-Bridge Amplifier TDA7374 is an integrated circuit designed to provide high-quality audio amplification for car audio systems. This amplifier is capable of delivering a total power output of 40W, split into two output channels of 20W each. It can drive 4 Ohm or 8 Ohm speakers and has a low total harmonic distortion of 0.04%.

The TDA7374 features a wide voltage operating range of 8V to 18V, which makes it suitable for use in car audio systems that typically have a 12V power supply. This Audio Dual-Bridge Power Amplifier operates in a class AB configuration, which allows it to deliver high-quality sound with minimal distortion.

Circuit Diagram

of 40W Dual-Bridge Amplifier TDA7374

This amplifier can be designed using a few basic components. The circuit diagram of this project is shown below.

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40W Dual-Bridge Amplifier TDA7374 PCB Layout

Explanation of 40W Dual-Bridge Amplifier TDA7374

The TDA7374 also features built-in protection circuits such as over-temperature, over-voltage, and short-circuit protection. These protection circuits ensure the safety of the amplifier and the connected speakers, and can help prevent damage due to electrical faults.

This amplifier is also easy to use, with simple connections for audio inputs and outputs, and adjustable gain and volume controls. The TDA7374 is an excellent choice for anyone looking for a powerful and reliable car audio amplifier.

Conclusion:

The 40W Dual-Bridge Amplifier TDA7374 is a high-quality audio amplifier designed for car audio systems. It provides a total power output of 40W and features two output channels of 20W each. The amplifier operates in a class AB configuration and has low total harmonic distortion of 0.04%.

The TDA7374 also features built-in protection circuits such as over-temperature, over-voltage, and short-circuit protection. These circuits ensure the safety of the amplifier and the connected speakers, and can help prevent damage due to electrical faults.

This amplifier is straightforward to use, with simple connections for audio inputs and outputs, and adjustable gain and volume controls. The wide voltage operating range of 8V to 18V makes it suitable for use in car audio systems that typically have a 12V power supply.

Overall, the 40W Dual-Bridge Amplifier TDA7374 is an excellent choice for anyone looking for a powerful and reliable car audio amplifier. Its combination of high-quality sound, built-in protection circuits, and ease of use makes it a popular choice among car enthusiasts and audiophiles alike.