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An SAR type ADC and a Flash type ADC have identical resolution and reference voltage. If both of them have same input signal bandwidth and sampling rate, then which of the following statements is true?

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An \(n\)-bit Flash ADC requires \(2^n - 1\) comparators, making it ultra-fast but hardware-heavy. An \(n\)-bit SAR ADC requires only 1 comparator but takes \(n\) clock cycles to complete its conversion.

Updated On: Jun 23, 2026

Flash ADC consumes comparators exponentially
SAR ADC has better DNL performance inherently
SAR ADC has lower conversion latency always
Flash ADC has a simpler analog layout architecture

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The Correct Option is A

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