1 Answers

Resolution=Voltage Range​/2^n

Where:

  • Voltage Range = 3.3V (the output voltage range from 0V to 3.3V)
  • n = number of bits in the digital input (12 bits in this case)

Now, let's calculate the resolution:

Resolution = 3.3/2^12 
                  ​=0.80586mV

So, the resolution of the analogue output is approximately 0.80586 mV per bit.

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