This 100 Watt Class-D Audio HiFi Amplifier board features the Texas Instruments TPA3116D2 Filter-Free Class-D Amplifier With AM Avoidance. It comes ready assembled with the necessary heat sink, and tested.
Features – 1 x 100W into 2 Ω BTL – operation voltage 4.5 V to 26 V – efficiency >90% – Up to 1.2-MHz Switching Frequency – AM avoidance – Feedback Power-Stage Architecture With High PSRR Reduces PSU Requirements – Single Power Supply Reduces Component Count – Integrated Self-Protection Circuits Including Overvoltage, Undervoltage, Overtemperature, DCDetect, and Short Circuit – ambient temperature –40°C to 85°C
The TPA3116D2 is a efficient, digital amplifier power stage for driving speakers up to 100W / 2 Ω in mono. The TPA3116D2 advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences. The TPA3116D2 devices are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage, undervoltage, and DC protection.