PGA2310UAG4

Audio Special Purpose Overview

The PGA2310UAG4 is a dual-channel stereo audio volume control integrated circuit manufactured by Texas Instruments. It features a gain range of +31.5 dB to -95.5 dB with 0.5 dB step resolution, controlled via a serial interface. The device operates on a single supply voltage between 4.5 V and 15.5 V or dual supplies up to +/-15 V. Key electrical specifications include a total harmonic distortion plus noise (THD+N) of 0.0004% at 1 kHz, a dynamic range of 120 dB, and a gain-bandwidth product of 1.5 MHz. It is housed in a 16-pin SOIC package.

Audio Special Purpose Feature Summary

• Dual-channel stereo architecture with independent left and right channel control
• Serial interface for gain adjustment from +31.5 dB to -95.5 dB in 0.5 dB steps
• Low distortion performance with 0.0004% THD+N and 120 dB dynamic range
• Flexible power supply operation supporting single or dual voltage configurations

Audio Special Purpose Applications

• Professional audio mixing consoles
• Home theater preamplifiers
• High-fidelity music systems

Audio Special Purpose Procurement Notes

Verify the 'G4' suffix indicates lead-free composition and RoHS compliance per Texas Instruments standards. Confirm the SOIC-16 package dimensions match the target PCB footprint. Ensure the serial control logic levels are compatible with the host microcontroller. Check humidity sensitivity labeling for proper storage and reflow soldering requirements.

Audio Special Purpose Selection Notes

Select this component when precise digital attenuation is required for stereo audio paths. The PGA2310UAG4 is suitable for designs needing low noise and high dynamic range. Consider the PGA2311 if automotive qualification is necessary. Verify that the 1.5 MHz bandwidth meets the frequency response requirements of the specific audio application.

Audio Special Purpose Part Context

The PGA2310UAG4 belongs to the PGA2310 family of stereo audio volume controls. The 'U' designation specifies the SOIC-16 surface-mount package, while 'G4' denotes lead-free and RoHS-compliant materials. This part serves as a direct replacement for the standard PGA2310UA in environmentally regulated manufacturing processes.

Audio Special Purpose Replacement Considerations

The PGA2310UA is the non-RoHS equivalent. For automotive applications, consider the PGA2311 series which offers similar functionality with extended temperature and reliability qualifications.