TDA7394 2x30W Car Atereo Audio Amplifier

29,436

Circuit Image

This car audio stereo amplifier can deliver up to 30W to each speaker and is built with the TDA7394 from the Philips TDA7394 datasheet.

The TDA7394 is a high-performance car audio amplifier designed to drive speakers with an output power of up to 30W per channel. This integrated circuit is specifically tailored for automotive applications, featuring a compact design that allows for easy integration into vehicle audio systems. The amplifier operates in a class AB configuration, which provides a good balance between sound quality and efficiency, ensuring minimal distortion while delivering robust audio performance.

The amplifier includes built-in thermal protection, short-circuit protection, and overload protection, enhancing its reliability and durability in the challenging automotive environment. The input stage is designed to accept a wide range of audio signals, making it compatible with various head units and audio sources. Additionally, the TDA7394 supports a differential input configuration, which helps to reduce noise and improve sound clarity.

Power supply requirements for the TDA7394 are generally in the range of 12V to 14.4V, typical for automotive systems. The amplifier can be configured for both stereo and mono applications, allowing for flexibility in system design. The output stage is capable of driving a wide range of speaker impedances, making it suitable for various speaker configurations.

The circuit design should include appropriate filtering capacitors on the power supply lines to ensure stable operation and minimize power supply noise. Additionally, output coupling capacitors may be required to block DC offsets and protect the speakers. The layout of the PCB should be optimized to minimize parasitic inductance and capacitance, ensuring high fidelity audio reproduction.

Overall, the TDA7394 car audio amplifier is an excellent choice for enhancing the audio experience in vehicles, providing powerful output, robust protection features, and flexibility in design.This car audio stereo amplifier can deliver up to 30W on each speaker and it is build with TDA7394 from Philips TDA7394 datasheet.. 🔗 External reference