TPA2054D4 - Texas Instruments

TPA2054D4 1.4W/CH STEREO CLASS-D AUDIO SUBSYSTEM

The TPA2054D4 features a stereo Class-D power amplifier along with a stereo DirectPath™ headphone amplifier. The TPA2054D4 has a mono differential input and two stereo single-ended (SE) inputs that can be configured as one stereo differential input. Both input channels have a 32-step volume control and the DirectPath headphone amplifier has a 4-level gain co.

Features

1
•23 Stereo Class-D Amp:
  – 1.4 W into 8 Ω from 5.0 V (10% THD + N)
  – 1.25 W into 8 Ω from 5.0 V (1% THD + N)
• DirectPath™ Stereo Headphone Amplifier
  – No Output Capacitors Required
• Independent Gain Select for Headphone Amplifier
• Eight Programmable Maximum Headphone Voltage Limits
• Two Single-Ended or One Differential Stereo Input
• 3:1 Input MUX with Mode Control
• 32-Step Volume Control for Both Input Channels
• Independent Shutdown for Headphone and Class-D Amplifiers
• Short-Circuit and Thermal-Overload Protection
• ±8 kV HBM ESD Protection on Headphone Outputs
• I2C™ Interface
• 25-.