The recommended operating voltage range for the STA543SA is 4.5V to 18V, with a typical voltage of 12V.
The STA543SA can be configured for mono or stereo audio output by setting the MODE pin high or low, respectively. For mono output, tie the MODE pin to VCC, and for stereo output, tie it to GND.
The maximum power output of the STA543SA is 2x 20W (stereo) or 1x 40W (mono) into a 4Ω load, with a maximum supply voltage of 18V.
To protect the STA543SA from overheating, ensure proper heat sinking, use a thermal pad or heat sink, and implement thermal shutdown protection using the TSD pin.
Yes, the STA543SA can be used in a bridged amplifier configuration to increase the power output. However, this requires additional external components and careful design consideration.