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

First Page Preview

View Large
First page PDF preview
Copyright © 2013 by ASME
Your Session has timed out. Please sign back in to continue.


GilbertPromitzer, 2001, “12-bit Low-Power Fully Differential Switched Capacitor Noncalibrating Successive Approximation ADC With 1MS/s,” EEE JSSC, 36(7), pp. 1138–1143.
Verma, N., and Chandrakasan, A., 2006, “A 25 μW 100 kS/s 12b ADC for Wireliess Micro-Sensor Applications,” ISSCC Dig. Tech. Papers, pp. 222–223.
Ginsburg, B. P., and Chandrakasan, A. P., 2005, “An Energy-Efficient Charge Recycling Approach for a SAR Converter With Capacitive DAC,” Proc. IEEE Int. Symp. Circuits and Systems, Vol. 1, pp. 184–187.
Jackie Wong, K.-L., and Ken Yang, C.-K., 2004, “Offset Compensation in Comparators With Minimum Input-Referred Supply Noise,” IEEE JSSC, 39(5), pp. 837–840.


Grahic Jump Location
Fig. 1

A conventional SAR ADC

Grahic Jump Location
Fig. 2

The structure of the comparator

Grahic Jump Location
Fig. 3

The simplified comparator with calibration capacitors

Grahic Jump Location
Fig. 4

An example of the 6-bit capacitor array

Grahic Jump Location
Fig. 5

The switching energy simulation for 12-bit SAR DAC

Grahic Jump Location
Fig. 6

The 12-bit SAR ADC INL and DNL simulation results

Grahic Jump Location
Fig. 8

The calibration simulation result



Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In