STMicroelectronics

TDA7851

TDA7851 Description

The TDA7851 is a high-performance, quad-channel Class AB audio amplifier designed for demanding audio applications. Manufactured by STMicroelectronics, this IC is housed in a Through Hole package, making it suitable for a variety of printed circuit board (PCB) designs. Despite its Obsolete product status, the TDA7851 remains a reliable choice for engineers and designers looking for robust audio amplification solutions.

TDA7851 FeaturesThe

TDA7851 features a 25W FlexiWatt output stage, capable of delivering high-quality audio performance. This Class AB amplifier is known for its excellent thermal stability and low distortion, ensuring clear and dynamic sound reproduction. Key technical specifications include:

• Output Power: 25W per channel, providing ample power for driving speakers in various configurations.
• Frequency Response: Wide bandwidth ensures accurate reproduction across the audio spectrum.
• Distortion: Low Total Harmonic Distortion (THD) ensures high-fidelity audio output.
• Power Supply Range: Wide operating voltage range allows for flexibility in power supply design.
• Package: Supplied in a Tube package, which is moisture-sensitive level 1 (unlimited), ensuring long-term reliability and ease of handling.

TDA7851 Applications

The TDA7851 is ideal for a range of audio applications where high power and high fidelity are required. Specific use cases include:

• Home Audio Systems: Suitable for multi-channel home theater systems, providing powerful and clear audio output.
• Professional Audio Equipment: Ideal for professional sound reinforcement systems, studio monitors, and PA systems.
• Automotive Audio: Can be used in car audio systems, offering high power and reliability in a compact form factor.
• Industrial Audio Applications: Suitable for industrial environments where robustness and high performance are critical.

Conclusion of TDA7851

The TDA7851 from STMicroelectronics is a versatile and powerful Class AB audio amplifier that offers high performance and reliability. Despite its Obsolete status, it remains a preferred choice for engineers and designers due to its robust design, high output power, and excellent audio performance. With its wide range of applications and compliance with industry standards such as REACH and RoHS3, the TDA7851 continues to be a valuable component in the electronics industry.