Power efficient instrumentation with 100 fA-sensitivity and 164 dB-dynamic range for wearable chronoamperometric gas sensor arrays

Details

• Personal Author:
  Boling S ; Li H ; Mason AJ
• Description:
  Chronoamperometric gas sensor arrays show great promise for ultra-low power consumption and low cost for wearable gas sensing devices for human safety and health monitoring. This paper presents a novel power efficient instrumentation circuit with high sensitivity and large dynamic range for wearable chronoamperometric gas sensor arrays. This instrumentation combines an input digital modulation technique and a semi-synchronous incremental sigma delta ADC structure to achieve very high power efficiency over a large dynamic range with high sensitivity. The proposed instrumentation was implemented in 0.5 um CMOS technology. Measurement results demonstrate that 164dB cross-scale dynamic range and 100 fA sensitivity are achieved with a high power efficiency. [Description provided by NIOSH]
• Subjects:
  Occupational Health Personal Protective Equipment Safety
• Keywords:
  Author Keywords: Chronoamperometry Gas Detectors Gas Sensor Array Health Protection Humans Monitoring Systems Personal Protection Personal Protective Equipment Power Efficient Safety Equipment Wearable Wide Dynamic Range

  More +
• ISBN:
  9781479983919
• ISSN:
  0271-4310
• Publisher:
  Institute of Electrical and Electronics Engineers
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Proceedings
• Place as Subject:
  Michigan ; OSHA Region 5
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  485-488
• NIOSHTIC Number:
  nn:20048635
• Citation:
  2015 IEEE International Symposium on Circuits and Systems (ISCAS), May 24-27, 2015, Lisbon, Portugal. New York: Institute of Electrical and Electronics Engineers, 2015 Jul; :485-488
• Contact Point Address:
  Electrical and Computer Engineering, Michigan State Univ., East Lansing, MI, USA
• Federal Fiscal Year:
  2015
• Performing Organization:
  Michigan State University
• Peer Reviewed:
  False
• Start Date:
  20100901
• Source Full Name:
  2015 IEEE International Symposium on Circuits and Systems (ISCAS), May 24-27, 2015, Lisbon, Portuga
• End Date:
  20150831
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:2b4b805111ab29417fcdcdb243929343bd642912ce002c71614987307ea3ede5c13d8b595206720dfb8d44aa7f1ea0291866966cd14677f6255930caf0c20fbf
• Download URL:
  https://stacks.cdc.gov/view/cdc/203344/cdc_203344_DS1.pdf
• File Type:
  [PDF - 894.26 KB ]