TPA3116D2 50W Stereo (BTL) Class-D Audio Amp IC - 5 Pack

The TPA3116D is your solution when a higher power is needed - it does 2 × 50 W / 4 Ω with a small heat-sink attached to its top side PowerPAD. 

Their advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences; this is achieved together with an option of either master or slave option, making it possible to synchronize multiple devices.

Furthermore the devices are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage, undervoltage, and DC protection. Faults are reported back to the processor to prevent devices from being damaged during overload conditions.

Features:

• Supports Multiple Output Configurations
  • 2 × 50 W Into a 4-Ω BTL Load at 21 V (TPA3116D2)
• Wide Voltage Range: 4.5 V to 26 V
• Efficient Class-D Operation
  • >90% Power Efficiency Combined With Low Idle Loss Greatly Reduces Heat Sink Size
  • Advanced Modulation Schemes
• Multiple Switching Frequencies
  • AM Avoidance
  • Master and Slave Synchronization
  • Up to 1.2-MHz Switching Frequency
• Feedback Power-Stage Architecture With High PSRR Reduces PSU Requirements
• Programmable Power Limit
• Differential and Single-Ended Inputs
• Stereo and Mono Mode With Single-Filter Mono Configuration
• Single Power Supply Reduces Component Count
• Integrated Self-Protection Circuits Including Overvoltage, Undervoltage, Overtemperature, DC-Detect, and Short Circuit With Error Reporting
• Thermally Enhanced Packages
  • DAD (32-Pin HTSSOP Pad Up)
  • DAP (32-Pin HTSSOP Pad Down)
• –40°C to 85°C Ambient Temperature Range

More information:

• Download TPA3116D2 datasheet (.pdf).

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