STMicroelectronics

TDA7494

TDA7494 Description

The TDA7494 is a monolithic integrated circuit designed for high-performance audio applications, manufactured by STMicroelectronics. This Class AB amplifier is designed to deliver a maximum output power of 10 watts per channel into an 8-ohm load. It operates within a supply voltage range of 11V to 35V, making it suitable for a variety of power supply configurations. The TDA7494 is housed in a 15-Multattiw package, which is ideal for through-hole mounting, ensuring robust and reliable integration into various electronic systems.

TDA7494 Features

• High Output Power: The TDA7494 delivers a maximum output power of 10W per channel into an 8-ohm load, providing ample power for demanding audio applications.
• Wide Supply Voltage Range: With a supply voltage range of 11V to 35V, the TDA7494 offers flexibility in power supply design, accommodating both low and high voltage systems.
• Class AB Amplifier: The Class AB design ensures high efficiency and low distortion, providing excellent audio quality and reliability.
• Through-Hole Mounting: The through-hole mounting type ensures mechanical stability and ease of integration into printed circuit boards.
• Compliance and Standards: The TDA7494 is REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards for electronic components.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the TDA7494 is suitable for environments with moderate humidity, ensuring long-term reliability.

TDA7494 Applications

The TDA7494 is ideal for a range of audio applications where high power output and reliability are required. Specific use cases include:

• Consumer Electronics: Ideal for powering speakers in home audio systems, portable audio devices, and multimedia equipment.
• Automotive Audio Systems: Suitable for in-car audio amplifiers, providing high-quality sound with minimal distortion.
• Professional Audio Equipment: Can be used in professional audio setups, such as PA systems and studio monitors, where consistent and powerful audio output is essential.
• Industrial Applications: The robust design and wide operating voltage range the make TDA7494 suitable for industrial audio systems, such as public address systems and alarm systems.

Conclusion of TDA7494

The TDA7494 from STMicroelectronics is a versatile and reliable Class AB audio amplifier, offering high output power and a wide supply voltage range. Its through-hole mounting and compliance with environmental standards make it a suitable choice for a variety of applications, from consumer electronics to professional audio systems. While the product is now obsolete, its legacy in delivering high-quality audio performance remains a testament to its design and engineering. For those seeking a robust and high-performance audio solution, the TDA7494 remains a valuable option, especially in applications where its unique features and advantages can be fully utilized.