Texas Instruments TAS5631 PWM input 300W Stereo class D amplifier with integrated feedback TAS5631PHDR

The TAS5631 is a high-performance PWM input class D amplifier designed to deliver up to 300W per channel in a stereo configuration and 600W in mono PBTL configuration. It features integrated feedback technology known as PurePath HD, which enhances audio quality by providing low total harmonic distortion (THD) of 0.03% at 1W into 4,Ѷ speakers and a signal bandwidth of up to 80 kHz, making it suitable for high-frequency content from HD sources. This amplifier supports multiple configurations, including stereo BTL, mono PBTL, and various single-ended outputs, allowing flexibility in design. It operates efficiently with a power stage efficiency greater than 88% and includes built-in self-protection features such as undervoltage, overtemperature, clipping, and short-circuit protection. The device is available in two thermally enhanced package options: a 64-pin HTQFP (PHD) and a 44-pin PSOP3 (DKD), both designed for effective thermal management. Engineers considering the TAS5631 for their projects will find it suitable for applications such as AV receivers, mini combo systems, DVD receivers, and active speakers, particularly where high power and audio fidelity are required.