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The minimum number of comparators required to build an 8 bit flash ADC is
Question

The minimum number of comparators required to build an 8 bit flash ADC is

A.

8

B.

63

C.

255

D.

256

Correct option is C


A flash ADC (Analog-to-Digital Converter) is the fastest type of ADC and uses a parallel comparator network to convert an analog signal into a digital output. The number of comparators required in an N -bit flash ADC is given by the formula:

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