Integral nonlinearity correction of ADC using multi-resistors voltage divider

The method of testing points generation for identification and correction of integral nonlinearity of high performance ADC is developed. The proposed method is based on averaging all voltages of multi-resistors voltage divider. The main idea of proposed method is in measurement voltages on the cascades of serially connected resistors with variable number of resistors in cascade. It is investigated influence of resistors´ error and random error of tested ADC on residual error of integral nonlinearity correction for proposed method.