Smart and flexible DACs, classification and design

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This paper classifies correction methods for current-steering Digital-to-Analog Converters (DACs), with an emphasis on self-calibration. Based on this classification, missing methods are identified. Three new DAC correction methods are proposed that can fill in these gaps: high-level mapping, suppression of HD, and calibration of binary currents. All three of them are based on parallel sub-DACs. The paper also proposes to further exploit the advantages of using such parallel sub-DACs to achieve flexibility. Two test-chip implementations in 250nm and 180nm CMOS validate the proposed concepts.
Originele taal-2Engels
TitelProceedings of Advances in Analog Circuit Design, AACD 2009, March 31-April 2, 2009, Lund, Sweden
StatusGepubliceerd - 2009

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Radulov, G. I., Quinn, P. J., Hegt, J. A., & Roermund, van, A. H. M. (2009). Smart and flexible DACs, classification and design. In Proceedings of Advances in Analog Circuit Design, AACD 2009, March 31-April 2, 2009, Lund, Sweden