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Digital ElectronicsADC & DAC

An ADC is said to have a missing code when?

  • AAt least one digital output code is never produced for any input within the conversion range
  • BEvery code occurs twice
  • CThe input is exactly zero
  • DThe ADC has no clock pin
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Correct Answer: A. At least one digital output code is never produced for any input within the conversion range
Explanation: A missing code is an output value that the converter skips entirely as the analog input is swept through its range, often associated with excessive DNL.
Reference: Standard digital electronics: ADC missing codes
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