Modeling, Evaluation, and Comparison of CRZ and RSD Redundant Architectures for Two-Step A/D Converters

@article{Angotzi2008ModelingEA,
  title={Modeling, Evaluation, and Comparison of CRZ and RSD Redundant Architectures for Two-Step A/D Converters},
  author={Gian Nicola Angotzi and Massimo Barbaro and Paul G. A. Jespers},
  journal={IEEE Transactions on Circuits and Systems I: Regular Papers},
  year={2008},
  volume={55},
  pages={2445-2458}
}
Redundancy in the output code as an instrument to reduce the impact of nonidealities in different architectures of two-step analog to digital converters (ADC) is investigated. The CRZ converters, which are the converters obtained from the conventional CR architecture with addition of Z extra decision levels, are formalized and compared with the RSD converter. Two distinct models are proposed to investigate separately, by means of system level simulations, the impact of each source of error: the… CONTINUE READING
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A CMOS 4-bit MDAC with self-calibrated 14-bit linearity for high-resolution pipelined A/D converters

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