The TDA7490 is a high-performance, integrated audio amplifier from STMicroelectronics, a leader in semiconductor solutions. This advanced amplifier is designed to deliver high-quality sound with impressive power efficiency, making it an ideal choice for a wide range of audio applications.
The TDA7490 operates as a class-D amplifier, which means it offers the efficiency of digital amplifiers while producing less heat compared to traditional class-AB amplifiers. This feature allows for smaller heat sinks and more compact overall designs, enabling product designers to create sleek, space-saving audio devices without compromising on performance.
With its ability to deliver up to 25 watts per channel into an 8-ohm load with less than 10% THD+N or up to 50 watts per channel into a 4-ohm load, the TDA7490 is a versatile choice for powering bookshelf speakers, home theater systems, and active monitors. Additionally, it boasts a wide supply voltage range from 10V to 36V, providing flexibility in various power supply scenarios.
The TDA7490 includes a range of built-in features to enhance audio performance and protect the amplifier. These features include a standby and mute function, short-circuit protection, and thermal overload protection. Furthermore, the device is equipped with a differential input stage that helps to reject common-mode noise, ensuring cleaner sound reproduction.
For ease of integration, the TDA7490 comes in a 15-pin Multiwatt package that simplifies PCB layout and helps reduce external component count. Its compatibility with modern surface-mount technology (SMT) manufacturing processes makes it a convenient and cost-effective solution for mass production.
Whether you're designing a high-fidelity home audio system or looking for a reliable amplifier for commercial audio installations, the STMicroelectronics TDA7490 stands out with its exceptional audio quality, robustness, and efficiency. It's a testament to STMicroelectronics' commitment to providing advanced audio solutions that meet the needs of a dynamic market.
