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A Readout Circuit for an Uncooled IR Camera With Mismatch and Self-Heating Compensation
Linköping University, Department of Electrical Engineering, Electronic Devices. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Electronic Devices. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Electronic Devices. Linköping University, The Institute of Technology.
2012 (English)In: NORCHIP 2012, IEEE , 2012, 1-4 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a readout integrated circuit for an infrared focal plane array intended to be used in infrared network attached video cameras in surveillance applications. The focal plane array consists of 352×288 uncooled microbolometer detectors with a pitch of 25 µm. The circuit features mismatch correction and a non-linear ramped current pulse scheme for biasing of the detectors, in order to relax the dynamic range requirement of preamplifiers and ADC imposed by detector process variation and self-heating during readout. The integrated circuit is designed in a 0.35 µm standard CMOS process and a smaller 32×32 size test chip has been fabricated for verification. The test chip shows RMS input referred noise of 17 µV at 60 frames/second and dissipates 170 mW of power.

Place, publisher, year, edition, pages
IEEE , 2012. 1-4 p.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-86147DOI: 10.1109/NORCHP.2012.6403138ISBN: 978-1-4673-2221-8 (print)ISBN: 978-1-4673-2223-2 (print)ISBN: 978-1-4673-2222-5 (print)OAI: oai:DiVA.org:liu-86147DiVA: diva2:575042
Conference
30th NORCHIP conference (NORCHIP 2012), the Nordic microelectronics event, 12-13 November 2012, Copenhagen, Denmark
Available from: 2012-12-07 Created: 2012-12-07 Last updated: 2014-11-10

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Svärd, DanielJansson, ChristerAlvandpour, Atila

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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