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8085 Microprocessors
Advanced Microprocessors
  1. An 8-bit successive approximation A/D converter has full scale reading of 2·55V and its conversion time for an analog input of 1 V is 20 μs. The conversion time for a 2V input will be—
    1. 10 μs
    2. 20 μs
    3. 40 μs
    4. 50 μs
Correct Option: B

20 μs because in successive approximation A/D converter the conversion time is independent of the analog input voltage.


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