PGA4311U

Product Overview

The PGA4311U is a high-performance, automotive-grade volume control integrated circuit from Texas Instruments, designed specifically for professional audio applications and musical instrument systems. This 4-channel device features an SPI digital interface for precise volume control, offering an exceptional dynamic range from 31.5dB to -95.5dB, making it ideal for demanding audio environments where precision and reliability are critical.

Key Features & Benefits

• Automotive-Grade Reliability: Built to withstand harsh operating conditions with a wide temperature range of -40°C to 85°C (TA), ensuring consistent performance in automotive audio systems, industrial equipment, and professional audio installations.
• 4-Channel Architecture: Simultaneous control of four independent audio channels through a single SPI interface, reducing component count and simplifying system design.
• Precision Volume Control: Wide dynamic range (31.5dB to -95.5dB) enables fine-grained audio level adjustment for professional mixing consoles, automotive infotainment systems, and high-fidelity audio equipment.
• Compact Surface Mount Design: 28-SOIC package (7.50mm width) optimizes PCB space utilization while maintaining excellent thermal performance and manufacturability.
• Low Power Operation: Operates efficiently within ±4.75V to 5.25V supply voltage range, compatible with standard automotive and industrial power systems.
• RoHS Compliant: Meets environmental standards for lead-free manufacturing, ensuring compliance with global electronics regulations.

Technical Applications

The PGA4311U excels in applications requiring precise, digitally-controlled audio volume management:

• Automotive Audio Systems: Head units, amplifiers, and premium sound systems requiring multi-zone volume control
• Professional Audio Equipment: Mixing consoles, digital audio workstations, and broadcast equipment
• Musical Instruments: Digital synthesizers, electronic pianos, and guitar processors
• Industrial Audio: Public address systems, intercom networks, and conference room audio
• Consumer Electronics: Home theater receivers, soundbars, and multi-room audio systems

Why Choose HQICKEY for Your Semiconductor Needs?

As an authorized distributor of Texas Instruments components, HQICKEY guarantees 100% authentic PGA4311U integrated circuits with full traceability and manufacturer warranty support. Our technical team provides comprehensive application support, including reference designs, integration guidance, and rapid prototyping assistance for your audio system development projects.

We maintain extensive inventory of audio-specific semiconductors and offer same-day shipping for in-stock items, ensuring your production schedules remain on track. Our quality assurance processes include incoming inspection, proper ESD handling, and climate-controlled storage to preserve component integrity from our warehouse to your facility.

Related Products & Resources

Explore our complete range of Audio Special Purpose ICs for complementary components including audio codecs, amplifiers, and signal processors that pair perfectly with the PGA4311U for complete audio system solutions.

Visit the HQICKEY homepage to discover our full catalog of high-reliability semiconductors for aerospace, automotive, industrial, medical, and telecommunications applications.

Stay informed about the latest semiconductor technologies, application notes, and industry insights by visiting our Technical Blog, where our engineering team shares expert guidance on component selection, circuit design best practices, and emerging trends in electronic system design.

Ordering Information

Part Number: PGA4311U
Package: 28-SOIC (Tube)
Minimum Order Quantity: Contact our sales team for current MOQ and volume pricing
Lead Time: In-stock items ship same-day; contact us for extended lead time components

For technical specifications, application notes, or volume pricing inquiries, please contact our experienced sales and engineering support team. We're committed to helping you select the optimal components for your audio system design requirements.

No datasheet available. Please contact sales@hqickey.com for the latest datasheet.