TPA3156D2 Datasheet

TPA3156D2 Class-D Audio Amplifier

The TPA3156D2 has low idle power loss and helps to extend the battery life of Bluetooth/Wireless speakers and other battery-powered audio systems. The high efficiency of the TPA3156D2 device allows it to do 2 × 70 W with external heat sink on a dual layer PCB. This device integrates an efficiency bo.

Features

•1 2 × 70 W Into a 4-Ω BTL Load at 24 V
• Wide Voltage Range: 4.5 V to 26 V
• Efficient Class-D Operation
  – Very Low Idle Current: <23 mA for recommended LC filter configurations
  – Greater than 90% Power Efficiency
  – Adaptive Modulation Schemes based on Output Power
• Multiple Switching Frequencies
  – AM Avoidance
  – Master and Slave Synchronization
  – 300-KHz to 1.2-MHz Switching Frequency
• Feedback Power-Stage Architecture With High PSRR Reduces PSU Requirements
• Programmable Power Limit
• Parallel BTL Mode and Mono-Channel Mode Support
• Supports Both Single and Dual Power Supply Modes
• Int.