PGA2310UA

Audio Special Purpose Overview

The PGA2310UA is a dual-channel stereo audio volume control processor manufactured by Texas Instruments. It provides precise digital gain adjustment ranging from +31.5 dB to -95.5 dB with 0.5 dB step resolution. The device features low distortion, specified at 0.0004% THD+N, and supports a 1.5 MHz gain-bandwidth product. It operates on a single supply voltage between 4.5 V and 15.5 V, drawing 7.5 mA of operating current. The component is housed in a 16-SOIC surface-mount package and includes an SPI interface for configuration.

Audio Special Purpose Feature Summary

• Dual-channel stereo architecture with independent channel control
• Gain range of +31.5 dB to -95.5 dB in 0.5 dB steps
• Low total harmonic distortion plus noise (THD+N) of 0.0004%
• SPI serial interface for digital gain and mute control

Audio Special Purpose Applications

• Audio volume control systems
• Musical instrument electronics
• Professional audio equipment

Audio Special Purpose Procurement Notes

Verify the specific suffix '1K' against official documentation to confirm reel quantity specifications. Ensure compatibility with the required SOIC-16 footprint and thermal management requirements for the target application environment.

Audio Special Purpose Selection Notes

Select this component for applications requiring high-fidelity analog signal processing with digital control. Verify that the system power supply remains within the 4.5 V to 15.5 V range. Confirm that the host controller supports the necessary SPI communication protocol for gain adjustment.

Audio Special Purpose Part Context

This part belongs to the PGA2310 series of audio processors. Evaluation modules such as the PGA2310EVM are available for development purposes. The device is designed for stereo applications requiring precise attenuation and amplification capabilities.

Audio Special Purpose Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.