Continuous Digital Calibration of Pipeline A/D Converters
A continuous digital calibration technique for pipeline analog-to-digital converters (ADCs) is presented. The scheme utilizes an existing digital calibration algorithm and extends it to work in real-time. This is accomplished by introducing two additional stages at the end of the pipeline which are...
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Published in | 2005 IEEE Instrumentationand Measurement Technology Conference Proceedings Vol. 1; pp. 2 - 6 |
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Main Authors | , |
Format | Conference Proceeding |
Language | English |
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2005
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Abstract | A continuous digital calibration technique for pipeline analog-to-digital converters (ADCs) is presented. The scheme utilizes an existing digital calibration algorithm and extends it to work in real-time. This is accomplished by introducing two additional stages at the end of the pipeline which are used only during calibration process. Calibration scheme is transparent to the overall system and is demonstrated using a 14-bit ADC, with 1-bit per stage architecture and 18 identical stages (including two additional stages for calibration). Dominant static errors in a pipeline are successfully corrected by the proposed calibration. Simulation results show more than 2-bits improvement in the number of effective bits and more than 20 dB improvement in the dynamic range of the converter |
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AbstractList | A continuous digital calibration technique for pipeline analog-to-digital converters (ADCs) is presented. The scheme utilizes an existing digital calibration algorithm and extends it to work in real-time. This is accomplished by introducing two additional stages at the end of the pipeline which are used only during calibration process. Calibration scheme is transparent to the overall system and is demonstrated using a 14-bit ADC, with 1-bit per stage architecture and 18 identical stages (including two additional stages for calibration). Dominant static errors in a pipeline are successfully corrected by the proposed calibration. Simulation results show more than 2-bits improvement in the number of effective bits and more than 20 dB improvement in the dynamic range of the converter |
Author | Hummels, D.M. Delic-Ibukic, A. |
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Snippet | A continuous digital calibration technique for pipeline analog-to-digital converters (ADCs) is presented. The scheme utilizes an existing digital calibration... |
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SubjectTerms | Analog-digital conversion Calibration Capacitors CMOS technology digital calibration Error correction Linearity Medical simulation Pipeline analog-digital conversion Pipelines Production facilities Voltage |
Title | Continuous Digital Calibration of Pipeline A/D Converters |
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