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Digital Calibration Method for Binary-Weighted Current-Steering D/A-Converters without Calibration ADC
IEICE transactions on electronics
A new digital calibration scheme for a 14 bit binary weighted current-steering digital-to-analog converter (DAC) is presented. This scheme uses a simple current comparator for the current measurement instead of a high-resolution ADC. Therefore, a faster calibration cycle and smaller additional circuits are possible compared to the scheme with the high-resolution ADC. In the proposed calibration scheme, the lowest 8 bit part of the DAC is used for both error correction and normal operation.doi:10.1093/ietele/e90-c.6.1172 fatcat:og6htmmibrexxhdjradb4cbv3a