STA350BTR

STA350BTR - Sound Terminal™ Fully Integrated Audio Processor

The STA350BTR from STMicroelectronics is a high-performance, fully integrated audio processor designed for professional pre-amplifier applications in demanding environments. This 2-channel Sound Terminal™ IC delivers exceptional audio quality with flexible amplification capabilities, making it the ideal choice for aerospace, automotive, industrial, medical, and telecommunications audio systems where reliability and performance are critical.

Key Features & Benefits

• Fully Integrated Architecture: Complete audio processing solution with flexible amplification reduces external component count and simplifies PCB design
• Dual-Channel Processing: Independent 2-channel audio paths for stereo or multi-zone applications
• Digital Interface Flexibility: I2C control interface and I2S digital audio input for seamless integration with modern audio systems
• Wide Supply Voltage Range: 5V to 26V operation accommodates diverse power supply architectures
• Extended Temperature Range: -20°C to 85°C (TA) operation ensures reliable performance in harsh industrial and automotive environments
• Compact Surface Mount Package: PowerSSO-36 EPU package enables space-efficient PCB layouts while maintaining excellent thermal performance
• Environmental Compliance: RoHS compliant for global regulatory requirements and environmental safety
• Long Lifecycle Availability: Backed by STMicroelectronics' commitment to extended product availability for mission-critical applications
• Complete Traceability: Full supply chain documentation and quality assurance for aerospace and medical certifications

Target Applications

The STA350BTR is engineered for professional audio applications requiring high reliability, precise control, and superior sound quality:

• Aerospace cockpit communication and entertainment systems
• Automotive premium audio amplification and active noise cancellation
• Industrial PA systems and process monitoring audio interfaces
• Medical diagnostic equipment and patient monitoring audio outputs
• Telecommunications conferencing systems and voice processing
• Professional audio mixing consoles and signal processors
• Multi-room audio distribution systems

Design Integration Advantages

The STA350BTR's integrated architecture significantly reduces bill-of-materials costs and board space requirements compared to discrete audio processing solutions. The I2C control interface enables dynamic configuration of audio parameters, while the I2S digital input ensures pristine signal integrity from digital audio sources. The wide supply voltage range provides design flexibility for both battery-powered portable applications and line-powered stationary equipment.

Quality & Reliability

Manufactured to STMicroelectronics' stringent quality standards, the STA350BTR undergoes comprehensive testing and validation to ensure consistent performance across production lots. Complete traceability documentation supports aerospace AS9100, automotive IATF 16949, and medical ISO 13485 quality management requirements. Extended lifecycle availability ensures long-term supply security for products with multi-year production cycles.

Related Resources & Product Categories

Explore our comprehensive selection of professional audio components in the Audio Special Purpose collection, featuring amplifiers, processors, codecs, and specialized audio ICs for demanding applications. Stay informed with the latest semiconductor industry insights, technical application notes, and product announcements on our News Blog. Browse our complete catalog of high-reliability semiconductor components, programmable logic devices, and electronic components at HQICKEY.

• STA350BTR.pdf