STMicroelectronics

STA321

STA321 Description

The STA321 is a fully integrated processor IC designed for high-performance audio applications. Manufactured by STMicroelectronics, this 64LQFP packaged device is part of the Sound Terminal™ series, offering a comprehensive solution for audio processing and amplification. Despite its obsolete status, the STA321 remains a robust choice for specific applications requiring reliable and flexible audio processing capabilities.

STA321 Features

• Fully Integrated Processor: The STA321 is equipped with a fully integrated processor, providing a complete solution for audio processing needs.
• Flexible Amplification: It supports full flexible amplification, making it suitable for a wide range of audio applications.
• 8 Channels: The device features 8 channels, enabling multi-channel audio processing and amplification.
• Supply Voltage: It operates within a supply voltage range of 3V to 3.6V, ensuring compatibility with various power supply configurations.
• Mounting Type: The surface mount design allows for easy integration into compact and space-constrained systems.
• Interfaces: The STA321 supports I2C and I2S interfaces, facilitating seamless communication with other components in an audio system.
• Compliance: It is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the STA321 is suitable for environments with moderate moisture levels.
• Packaging: Available in tray packaging, it ensures safe handling and storage during manufacturing processes.

STA321 Applications

The STA321 is ideal for applications requiring high-quality audio processing and amplification. Its 8-channel capability and flexible amplification make it suitable for:

• Home Audio Systems: Enhancing the audio experience in home theaters and multi-speaker setups.
• Automotive Audio: Providing high-fidelity audio output in vehicle entertainment systems.
• Professional Audio Equipment: Used in mixing consoles, sound reinforcement systems, and other professional audio applications.
• Portable Audio Devices: Ideal for compact audio systems where space and power efficiency are critical.

Conclusion of STA321

The STA321, despite being obsolete, remains a valuable component for specific audio applications. Its fully integrated processor, flexible amplification, and support for multiple interfaces make it a versatile choice. The device's compliance with environmental and safety standards ensures its suitability for modern manufacturing processes. For applications requiring reliable and high-quality audio processing, the STA321 continues to offer a robust solution.