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Digital ElectronicsADC & DAC

How many comparators are required in a conventional 8-bit flash ADC?

  • A8
  • B127
  • C255
  • D256
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Correct Answer: C. 255
Explanation: For n=8, the flash ADC comparator count is 2^8 − 1 = 255.
Reference: Standard digital electronics: flash ADC comparator count
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