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Improved offline calibration for DAC mismatch in low OSR Sigma Delta ADCs with distributed feedback

Maarten De Bock (UGent) , Amir Babaie Fishani (UGent) and Pieter Rombouts (UGent)
(2014) IEEE International Symposium on Circuits and Systems. In IEEE International Symposium on Circuits and Systems p.938-941
Author
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Abstract
We present an offline calibration method to correct the non-linearity due to DAC element mismatch in distributed feedback SigmaDelta-modulation A/D-converters. The improvement over previous methods is that not only the first feedback DAC is calibrated, but also the DACs that are coupled to later stages can be calibrated as well. This is needed in the case of Sigma Delta modulators with a low OSR, where the contribution of the second feedback DAC should not be neglected. The technique is based on a calibration measurement with a two-tone input signal.
Keywords
CONVERTERS

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Citation

Please use this url to cite or link to this publication:

MLA
De Bock, Maarten, et al. “Improved Offline Calibration for DAC Mismatch in Low OSR Sigma Delta ADCs with Distributed Feedback.” IEEE International Symposium on Circuits and Systems, IEEE, 2014, pp. 938–41.
APA
De Bock, M., Babaie Fishani, A., & Rombouts, P. (2014). Improved offline calibration for DAC mismatch in low OSR Sigma Delta ADCs with distributed feedback. IEEE International Symposium on Circuits and Systems, 938–941. IEEE.
Chicago author-date
De Bock, Maarten, Amir Babaie Fishani, and Pieter Rombouts. 2014. “Improved Offline Calibration for DAC Mismatch in Low OSR Sigma Delta ADCs with Distributed Feedback.” In IEEE International Symposium on Circuits and Systems, 938–41. IEEE.
Chicago author-date (all authors)
De Bock, Maarten, Amir Babaie Fishani, and Pieter Rombouts. 2014. “Improved Offline Calibration for DAC Mismatch in Low OSR Sigma Delta ADCs with Distributed Feedback.” In IEEE International Symposium on Circuits and Systems, 938–941. IEEE.
Vancouver
1.
De Bock M, Babaie Fishani A, Rombouts P. Improved offline calibration for DAC mismatch in low OSR Sigma Delta ADCs with distributed feedback. In: IEEE International Symposium on Circuits and Systems. IEEE; 2014. p. 938–41.
IEEE
[1]
M. De Bock, A. Babaie Fishani, and P. Rombouts, “Improved offline calibration for DAC mismatch in low OSR Sigma Delta ADCs with distributed feedback,” in IEEE International Symposium on Circuits and Systems, Melbourne, Australia, 2014, pp. 938–941.
@inproceedings{5842527,
  abstract     = {{We present an offline calibration method to correct the non-linearity due to DAC element mismatch in distributed feedback SigmaDelta-modulation A/D-converters. The improvement over previous methods is that not only the first feedback DAC is calibrated, but also the DACs that are coupled to later stages can be calibrated as well. This is needed in the case of Sigma Delta modulators with a low OSR, where the contribution of the second feedback DAC should not be neglected. The technique is based on a calibration measurement with a two-tone input signal.}},
  author       = {{De Bock, Maarten and Babaie Fishani, Amir and Rombouts, Pieter}},
  booktitle    = {{IEEE International Symposium on Circuits and Systems}},
  isbn         = {{9781479934324}},
  issn         = {{0271-4302}},
  keywords     = {{CONVERTERS}},
  language     = {{eng}},
  location     = {{Melbourne, Australia}},
  pages        = {{938--941}},
  publisher    = {{IEEE}},
  title        = {{Improved offline calibration for DAC mismatch in low OSR Sigma Delta ADCs with distributed feedback}},
  year         = {{2014}},
}
Web of Science
Times cited: