This 60 W Class-D Audio HiFi Amplifier board features the Texas Instruments TPA3118 Filter-Free Class-D Amplifier With AM Avoidance. It does not require a heat sink for output power of max. 50W.
Features – 1 x 60 into 2Ω BTL Load – operation voltage 8 V to 24 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 TPA3118 is a efficient, digital amplifier power stage. The TPA3118 advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences.
The TPA3118 devices are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage, undervoltage, and DC protection.