The STA550 is a highly integrated solution from STMicroelectronics, crafted to deliver exceptional audio performance for a wide range of consumer electronics. As a part of ST's Sound Terminal® family, the STA550 is a cutting-edge audio amplifier that combines the efficiency of digital amplification with the simplicity of conventional analog amplifiers.

Key Features

• Power Output: The STA550 boasts a power output stage capable of delivering up to 2 x 50W into 8 Ohms, ensuring powerful and clear sound reproduction for even the most demanding speakers.
• High Efficiency: With an efficiency rating of over 90%, this amplifier minimizes energy loss and heat dissipation, making it ideal for energy-conscious applications.
• FFX® Technology: Incorporating STMicroelectronics' Full Flexible Amplification (FFX), the STA550 offers high-quality audio performance with a flexible power supply voltage and output power configuration.
• Multiwatt15 Packaging: The compact and robust Multiwatt15 package allows for efficient space utilization in PCB design, making it suitable for sleek and compact consumer electronics.

Applications

The STA550 is versatile and can be utilized in a variety of applications, including:

• Home Theater Systems
• Active Speakers
• Mini and Micro Audio Systems
• TV Sound Enhancement Systems

Technical Specifications

The device integrates a range of technical features that ensure its reliability and performance:

• Wide supply voltage range (±10V to ±25V)
• Low THD+N for high-quality audio output
• Standby and mute features for power conservation
• Overheat, overcurrent, and DC protection for device safety

Conclusion

The STA550 from STMicroelectronics represents a blend of innovation and practicality, providing designers with a powerful, efficient, and versatile audio amplification solution. Its combination of high-quality audio performance, energy efficiency, and user-friendly features make it a top choice for audio system manufacturers aiming to deliver superior sound experiences to their customers.