Abstract

In this paper, a comparative analysis of switching-based calibration algorithms for DACs is presented. The algorithms are compared by the static nonlinearity reduction in presence of random and systematic errors. The influence of the following parameters is considered: a type of constructed array, a resolution of the primary array, numbers of folding and decoupling operations. Fully unarized arrays reduce INL and cannot enhance DNL, unlike fully binarized ones. All algorithms improve nonlinearity in presence of random errors better than in presence of systematic errors.

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