Number of comparators needed to build a 6-bit simultaneous A/D converter is
- A. 63
- B. 64
- C. 7
- D. 6
Answer: A. 63
Explanation: Number of comparators used in flash type (simultaneous) A/D converter is $= 2^n - 1 = 2^6 - 1 = 63$. Where, n = number of bits of A/D converter.