The PGA2311UA/1K is a high-fidelity stereo audio volume control designed and manufactured by Texas Instruments. This precision device is ideal for professional and high-end consumer audio applications, providing an exceptional level of sound quality and performance.

Key Features

• High Performance: The PGA2311UA/1K offers a high signal-to-noise ratio and very low total harmonic distortion plus noise (THD+N), ensuring crystal-clear audio reproduction.
• Wide Supply Range: It operates on a wide supply voltage range from ±2.5V to ±5.5V, accommodating a variety of audio systems and setups.
• Flexible Control: Volume can be controlled through a SPI or microcontroller interface, allowing for seamless integration into digital audio systems.
• Dynamic Range: The device boasts a dynamic range of 120dB, which ensures minute details in the audio signal are preserved even at low volume levels.

Applications

The PGA2311UA/1K is suited for a broad range of applications, including:

• Professional audio mixing consoles
• High-end A/V receivers
• Automotive audio systems
• Studio equipment
• Home theater systems

Technical Specifications

With a small 16-pin SOIC package, the PGA2311UA/1K integrates smoothly into space-constrained designs while delivering high-quality audio performance. Its specifications include:

• Gain Range: -95.5dB to +31.5dB
• Channel Separation: 120dB
• Low Noise Floor: -120dBV
• Gain Error: 0.05dB
• Gain Step Error: 0.01dB

Quality and Reliability

Texas Instruments is known for its commitment to quality and the PGA2311UA/1K is no exception. It is designed to meet the rigorous demands of the audio industry, ensuring long-term reliability and performance. For designers and audiophiles looking for a volume control solution that doesn't compromise on sound quality, the PGA2311UA/1K from Texas Instruments is an excellent choice.