Title :
Digital DAC calibration technique for DS and incremental modulators
Author :
Yu, Weimin ; Temes, Gabor C.
Author_Institution :
Silicon Labs. Inc., Austin, TX, USA
Abstract :
A new digital nonlinearity calibration and correction technique is proposed for multi-bit DACs in ΔΣ and incremental modulators. By finding the differences between capacitance errors using the ΔΣ modulator, the integral nonlinearity of the DAC can be found, and corrected digitally.
Keywords :
calibration; delta-sigma modulation; digital-analogue conversion; ΔΣ modulators; capacitance errors; digital DAC calibration technique; digital correction technique; digital nonlinearity calibration; incremental modulators; multibit DAC;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2012.0704
