Electronic circuit adjusting skew between plurality of clocks based on derivative of input signal

An electronic circuit comprising:

• a reference analog-to-digital converter (ADC) to convert an input signal to reference data, in response to a reference clock;
• and
• a plurality of sub-ADCs to respectively convert the input signal to a plurality of output data in response respectively to a plurality of conversion clocks providing different timings, wherein
• based on a difference between the reference data and each of the plurality of output data and output data corresponding to the difference among the plurality of output data, a timing of a conversion clock associated with the corresponding output data among the plurality of conversion clocks is adjusted.

An electronic circuit comprising:

• a plurality of delay circuits to output a plurality of clocks providing different timings according to different delay times;
• a subtractor to calculate a difference between reference data and each of a plurality of output data, the plurality of output data being generated in response to the plurality of clocks;
• and
• an edge detector to, when a value of the difference is changed while a value of output data corresponding to the difference among the plurality of output data is maintained, generate delay calibration values based on the corresponding output data and a change in the value of the difference, to adjust a timing of a clock associated with the corresponding output data among the plurality of clocks.