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Technical Briefs

A 1.0 V 12-bit 500 kS/s SAR ADC With Background Calibration for BioMedical Application

[+] Author and Article Information
Ted Higman

Department of Electrical Engineering,
University of Minnesota

Manuscript received March 15, 2013; final manuscript received April 25, 2013; published online June 4, 2013. Editor: Arthur G. Erdman.

J. Med. Devices 7(2), 020904 (Jun 04, 2013) (3 pages) Paper No: MED-13-1031; doi: 10.1115/1.4024334 History: Received March 15, 2013; Revised April 25, 2013

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References

Figures

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Fig. 1

A conventional SAR ADC

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Fig. 2

The structure of the comparator

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Fig. 3

The simplified comparator with calibration capacitors

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Fig. 4

An example of the 6-bit capacitor array

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Fig. 5

The switching energy simulation for 12-bit SAR DAC

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Fig. 6

The 12-bit SAR ADC INL and DNL simulation results

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Fig. 8

The calibration simulation result

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