Parallel current-steering D/A Converters for flexibility and smartness

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Samenvatting

This paper presents a DAC architecture built on parallel current-steering sub-DAC entities. Two main novelties are explored: flexibility and smartness. Firstly, a number of available operating modes (op-modes) can set the overall DAC performance and functionality. These op-modes transfer some of the important design trade-offs to the end-user and constitute the DAC flexibility. The main examples include: resolution-power-number of DACs, static-dynamic performance, etc. Secondly, specific signal processing techniques become possible. The main examples of such techniques include: full self-calibration, cancellation of harmonic distortion (HD) components, and linearity improvement through redundancy. This paper concentrates on a method to suppress undesired HD components through DA processing of phase shifted replicas of the main input signal. The presented theoretical concepts are realized in a 14-bit DAC built from 4 parallel 12-bit sub-DACs. Transistor simulations and a layout design are also presented. The demonstrated flexibility characteristics of the new DAC architecture make the discussed concepts particularly suitable for FPGA integration.
Originele taal-2Engels
TitelProceedings of the IEEE International Symposium on Circuits and Systems (ISCAS 2007) 27 - 30 May 2007, New Orleans, Louisiana, USA
Plaats van productiePiscataway, New Jersey, USA
UitgeverijInstitute of Electrical and Electronics Engineers
Pagina's1465-1468
ISBN van geprinte versie1-4244-0920-9
DOI's
StatusGepubliceerd - 2007
Evenement2007 IEEE International Symposium on Circuits and Systems (ISCAS 2007) - New Orleans, Verenigde Staten van Amerika
Duur: 27 mei 200730 mei 2007
http://www.iscas2007.org/

Congres

Congres2007 IEEE International Symposium on Circuits and Systems (ISCAS 2007)
Verkorte titelISCAS 2007
LandVerenigde Staten van Amerika
StadNew Orleans
Periode27/05/0730/05/07
AnderISCAS 2007, New Orleans, Louisiana, USA
Internet adres

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Citeer dit

Radulov, G. I., Quinn, P. J., Harpe, P. J. A., Hegt, J. A., & Roermund, van, A. H. M. (2007). Parallel current-steering D/A Converters for flexibility and smartness. In Proceedings of the IEEE International Symposium on Circuits and Systems (ISCAS 2007) 27 - 30 May 2007, New Orleans, Louisiana, USA (blz. 1465-1468). Piscataway, New Jersey, USA: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/ISCAS.2007.378579