TAS5827 Digital-Input Class-D Amplifier Texas Instruments TAS5827 Digital-Input Closed-Loop Class-D Amplifier is a stereo high-performance amplifier with integrated audio processor and up to 192kHz audio support. When setting the device into hardware control mode, Texas Instruments TAS5827 supports selecting switching frequency, analog gain, BTL/PBTL mode, and cycle-by-cycle current limit threshold through pin configuration. This mode is designed to eliminate end-system software driver integration efforts.