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Electronics - Analog and Digital Converters - Discussion

Discussion Forum : Analog and Digital Converters - General Questions (Q.No. 7)
Analog and Digital Converters
7.
The primary disadvantage of the flash analog-to digital converter (ADC) is that:
it requires the input voltage to be applied to the inputs simultaneously
a long conversion time is required
a large number of output lines is required to simultaneously decode the input voltage
a large number of comparators is required to represent a reasonable sized binary number
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.
Jagadeswara reddy said:   1 decade ago
The comparaters required is 2^n-1
Alok said:   8 years ago
The number of a comparator used in flash type ADC is 2^n-1.
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