A successive-approximation ADC determines the digital code primarily by?

  • ABinary search
  • BCounting down from infinity
  • CFrequency multiplication only
  • DAnalog integration without comparison
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Correct Answer: A. Binary search
Explanation: A SAR ADC tests bits from MSB to LSB using a comparator and internal DAC, effectively performing a binary search.
Reference: Standard measurements and instrumentation: adc & data acquisition