PGA2311UG4

Audio Special Purpose Overview

The PGA2311UG4 is a stereo audio volume control integrated circuit manufactured by Texas Instruments. It operates on a single supply voltage ranging from 4.75 V to 5.25 V and features a total harmonic distortion plus noise (THD+N) of 0.0002%. The device supports a load impedance of 100 kOhms and functions within an operating temperature range of -40°C to +85°C. Packaged in a 16-SOIC surface-mount format, it provides precise digital volume adjustment for high-fidelity audio applications.

Audio Special Purpose Feature Summary

• Stereo audio volume control with SPI interface
• Ultra-low THD+N of 0.0002%
• Operating voltage range of ±4.75V to ±5.25V
• Automotive grade qualification

Audio Special Purpose Applications

• Audio systems
• Musical instruments

Audio Special Purpose Procurement Notes

Verify the G4 suffix indicates lead-free compliance and RoHS adherence as per Texas Instruments standards. Confirm the package type remains 16-SOIC and check for any specific environmental or handling requirements associated with the automotive grade designation during sourcing.

Audio Special Purpose Selection Notes

Select this component for designs requiring low-voltage operation around 5V. Ensure the PCB layout accommodates the SOIC-16 footprint. Verify that the system's microcontroller can support the required SPI communication protocol for volume data transmission.

Audio Special Purpose Part Context

The PGA2311UG4 belongs to the PGA2311 family of stereo audio volume controls. The 'G4' suffix typically denotes a lead-free and RoHS-compliant version of the standard PGA2311U part, maintaining identical electrical characteristics while adhering to updated environmental manufacturing standards.

Audio Special Purpose Replacement Considerations

The PGA2311U is the standard non-lead-free equivalent. Other family members like the PGA2310 offer similar functionality but may differ in specific pinouts or feature sets; verify datasheet compatibility before substitution.