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PGA2311U from TI,Texas Instruments

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PGA2311U

Manufacturer: TI

+/-5V Stereo Audio Volume Control

Partnumber Manufacturer Quantity Availability
PGA2311U TI 1 In Stock

Description and Introduction

+/-5V Stereo Audio Volume Control The **PGA2311U** is a high-performance, digitally controlled stereo audio volume control IC designed for professional and consumer audio applications. Manufactured by Texas Instruments, this component integrates precision analog circuitry with a flexible digital interface, offering exceptional audio quality and dynamic range.  

Featuring a **112 dB dynamic range** and **0.0003% THD+N**, the PGA2311U ensures minimal signal degradation, making it ideal for preamplifiers, mixing consoles, and high-fidelity audio systems. Its **SPI-compatible serial interface** allows seamless integration with microcontrollers and digital signal processors, enabling precise volume adjustments in 0.5 dB steps over a ±31.5 dB range.  

The device operates on **±5V power supplies**, supporting balanced or unbalanced audio inputs while maintaining low noise and distortion. Additional features include **mute control**, **zero-crossing detection**, and **thermal protection**, enhancing reliability in demanding environments.  

With its combination of **high resolution**, **low distortion**, and **ease of integration**, the PGA2311U remains a preferred choice for engineers seeking professional-grade volume control in modern audio systems. Whether used in home theater setups or studio equipment, it delivers consistent performance and superior sound quality.

Application Scenarios & Design Considerations

+/-5V Stereo Audio Volume Control

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