Texas Instruments

PGA4311UA  

Audio Special Purpose ICs

PGA4311UA Description

The PGA4311UA from Texas Instruments is a high-performance 4-channel digital volume control IC designed for precision audio applications. Packaged in a 28-SOIC tube, this surface-mount device operates on a ±4.75V to 5.25V supply, making it ideal for automotive and professional audio systems. With SPI interface compatibility, it offers seamless integration into digital signal chains while maintaining ROHS3 compliance and REACH unaffected status. Its automotive-grade reliability ensures robust performance in demanding environments, backed by a Moisture Sensitivity Level (MSL) 2 rating for extended shelf life.

PGA4311UA Features

• 4-Channel Volume Control: Independent gain adjustment per channel for flexible audio routing.
• SPI Interface: Enables precise digital control with minimal external components.
• Wide Supply Range (±4.75V–5.25V): Supports balanced audio systems with low noise and distortion.
• Automotive-Grade Reliability: Meets stringent automotive standards for temperature and vibration resistance.
• Low THD+N: Ensures high-fidelity audio reproduction for critical listening environments.
• Compact 28-SOIC Package: Space-efficient for PCB designs in constrained layouts.

PGA4311UA Applications

• Automotive Infotainment Systems: Multi-zone audio control with minimal interference.
• Professional Audio Mixers: Precise gain staging in studio and live sound equipment.
• Musical Instruments: Dynamic volume adjustment in digital effects processors and amplifiers.
• Home Theater Systems: Channel balancing and calibration for immersive audio experiences.

Conclusion of PGA4311UA

The PGA4311UA stands out for its low-noise performance, multi-channel flexibility, and automotive durability, making it a superior choice for high-end audio applications. Its SPI interface and compact form factor simplify integration, while its wide voltage range ensures compatibility with diverse systems. Whether in automotive, professional audio, or consumer electronics, this IC delivers exceptional clarity and control, solidifying its position as a go-to solution for precision volume management.

PGA4311UA Documents

Download datasheets and manufacturer documentation for PGA4311UA

Datasheets :

PGA4311      

HTML Datasheet :

PGA4311      

PCN Design/Specification :

Material Set Rev 24/Jan/2016