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Q#1 Data Converters GATE EE 2008 MCQ +1 mark -0.33 marks

Two 8-bit ADCs, one of single slope integrating type and other of successive approximation type, take and times to convert 5V analog input signal to equivalent digital output. If the input analog signal is reduced to 2.5V, the approximate lime taken by the two ADCs will respectively be

Explanation:

In slope integrating type ADCs, the conversion time depends on the value of the input signal but in SAR the conversion time is independent of the magnitude of the input sampled value.

Hence option (b) is correct.

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