Optimum Segmentation for High Speed Current Steering Digital-to-Analog Converters

P.C.W. Beek, van, J.A. Hegt, A.H.M. Roermund, van

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Abstract

When designing a Current Steering Digital to Analog Converter, a major architectural parameter is the number of bits in the partitioning between thermometer and binary segments. This is called segmentation. The DAC designer has to choose the optimum amount of segmentation taking into account the physical problems associated with the segmentation. Current steering DACs with a low amount of segmentation have the advantage that they are simple. They only need a few current sources and switches. A disadvantage of low segmentation is the possible larger DNL compared to the converters with larger segmentation. Converters with larger segmentation have a lower DNL, but the problems associated with the output conductance, capacitance and synchronization increase and also the area and power that is needed increases.
Original languageEnglish
Title of host publicationProceedings of the 15th ProRISC, Annual Workshop on Circuits, Systems and Signal Processing (ProRISC 2004) 25 - 26 November 2004, Veldhoven, the Netherlands
Place of PublicationUtrecht, the Netherlands
PublisherSTW Technology Foundation
Pages465-473
ISBN (Print)90-73461-43-X
Publication statusPublished - 2004
Event2004 Annual Workshop on Circuits, Systems and Signal Processing (ProRISC 2004) - Veldhoven, Netherlands
Duration: 25 Nov 200426 Nov 2004

Conference

Conference2004 Annual Workshop on Circuits, Systems and Signal Processing (ProRISC 2004)
Abbreviated titleProRISC 2004
CountryNetherlands
CityVeldhoven
Period25/11/0426/11/04

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  • Cite this

    Beek, van, P. C. W., Hegt, J. A., & Roermund, van, A. H. M. (2004). Optimum Segmentation for High Speed Current Steering Digital-to-Analog Converters. In Proceedings of the 15th ProRISC, Annual Workshop on Circuits, Systems and Signal Processing (ProRISC 2004) 25 - 26 November 2004, Veldhoven, the Netherlands (pp. 465-473). STW Technology Foundation.