TAS5731MPHPR

Overview

The TAS5731MPHPR is a Class-D audio power amplifier manufactured by Texas Instruments, designed for high-efficiency sound reproduction in portable and consumer electronics. It operates from a single supply voltage and delivers up to 2.8W of continuous RMS output power into an 8-ohm load with less than 1% total harmonic distortion plus noise at 1W output. The device integrates a digital interface for direct connection to audio sources, supporting standard audio protocols. Key electrical characteristics include a wide operating supply voltage range, low quiescent current consumption, and built-in protection features such as thermal shutdown and short-circuit protection to ensure reliable operation under various load conditions.

Feature Summary

• High efficiency Class-D architecture minimizes heat generation and extends battery life in portable devices.
• Integrated digital audio interface simplifies system design by eliminating the need for external DACs.
• Built-in diagnostic and protection circuits enhance system reliability and robustness.

Applications

• Portable media players and smartphones
• Tablets and e-readers
• Smart home audio devices

Procurement Notes

Verify the exact part number suffix against official Texas Instruments documentation to confirm package type and tape/reel specifications. Ensure compatibility with your system's supply voltage and digital audio interface requirements before procurement. Cross-reference the manufacturer's latest datasheet for any updates on recommended operating conditions or pin configurations.

Selection Notes

Select this component when a compact, high-efficiency mono amplifier is required for battery-powered applications. Consider its digital interface compatibility with your host processor and verify that the output power meets your speaker impedance requirements. Evaluate thermal management needs based on the expected ambient temperature and enclosure constraints.

Part Context

This part belongs to Texas Instruments' TAS57xx series of Class-D audio amplifiers, which are optimized for mobile and consumer audio applications. The series offers a balance of performance, size, and cost-effectiveness, making it suitable for mass-market electronic devices requiring clear audio output without excessive power consumption.

Replacement Considerations

Consult Texas Instruments' official substitution guide for verified alternative part numbers within the same family or compatible series. Ensure any substitute maintains identical pinout, voltage ratings, and digital interface compatibility to avoid redesign efforts.

FAQ

What is the maximum output power of the TAS5731MPHPR?

It delivers up to 2.8W continuous RMS into an 8-ohm load with THD+N < 1% at 1W output.

Does the TAS5731MPHPR require an external DAC?

No, it features an integrated digital audio interface that accepts digital audio signals directly, eliminating the need for an external DAC.