2020
DOI: 10.1109/tcsi.2020.2985816
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A Mismatch Calibration Technique for SAR ADCs Based on Deterministic Self-Calibration and Stochastic Quantization

Abstract: A capacitive DAC is an important building block of a charge-redistribution SAR ADC, for its size has a significant impact on performance. For medium-to high-resolution applications, the size of the DAC is typically determined by random mismatches. As such, an effective mismatch calibration circuit can allow the DAC to be scaled down to a much lower kT/C noise limit, thereby increasing the overall ADC power efficiency. This paper reviews some of the most important reported mismatch calibration techniques and pr… Show more

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Cited by 24 publications
(6 citation statements)
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“…As in the previous example, the linear search engine in cal unit finds C 1.1 that satisfies v cal ≈ 0 in (12). The flow chart of Figure 9b works for this example as well.…”
Section: Calibrationmentioning
confidence: 70%
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“…As in the previous example, the linear search engine in cal unit finds C 1.1 that satisfies v cal ≈ 0 in (12). The flow chart of Figure 9b works for this example as well.…”
Section: Calibrationmentioning
confidence: 70%
“…The flow chart of Figure 9b works for this example as well. C 1.1 may be correlated with its parasitic capacitances as shown in (12), and thus v bg is identified to also meet v cal ≈ 0 for the calibration of C 1.1 . In addition, the following relation can be concluded from (12) to meet v cal = 0.…”
Section: Calibrationmentioning
confidence: 93%
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