Digital calibration incorporating redundancy of flash ADCs

Michael P. Flynn; Conor Donovan; Linda Sattler

doi:10.1109/TCSII.2003.811435

Digital calibration incorporating redundancy of flash ADCs

Michael P. Flynn
, Conor Donovan
, Linda Sattler

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Abstract

As feature size and supply voltage shrink, digital calibration incorporating redundancy of flash analog-to-digital converters is becoming attractive. This new scheme allows accuracy to be achieved through the use of redundancy and reassignment, effectively decoupling analog performance from component matching. Very large comparator offsets (several LSBs) are tolerated, allowing the comparators to be small, fast and power efficient. In this paper, we analyze this scheme and compare with it with more traditional approaches.

Original language	English
Pages (from-to)	205-214
Number of pages	10
Journal	IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing
Volume	50
Issue number	5
DOIs	https://doi.org/10.1109/TCSII.2003.811435
Publication status	Published - May 2003

Keywords

Analog redundancy
Analog-to-digital conversion
Calibration
Flash

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10.1109/TCSII.2003.811435

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abstract = "As feature size and supply voltage shrink, digital calibration incorporating redundancy of flash analog-to-digital converters is becoming attractive. This new scheme allows accuracy to be achieved through the use of redundancy and reassignment, effectively decoupling analog performance from component matching. Very large comparator offsets (several LSBs) are tolerated, allowing the comparators to be small, fast and power efficient. In this paper, we analyze this scheme and compare with it with more traditional approaches.",

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Digital calibration incorporating redundancy of flash ADCs

Abstract

Keywords

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