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Proceedings Article

Design of readout circuit for microcantilever-based ripple uncooled infrared focal plane arrays

[+] Author Affiliations
Junmin Cao, Zhongjian Chen, Wengao Lu, Yacong Zhang, Ke Lei, Baoying Zhao

Peking Univ. (China)

Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73834J (August 05, 2009); doi:10.1117/12.836710
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From Conference Volume 7383

  • International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications
  • Jeffery Puschell; Hai-mei Gong; Yi Cai; Jin Lu; Jin-dong Fei
  • Beijing, China | June 17, 2009

abstract

A readout integrated circuit (ROIC) for uncooled microcantilever infrared focal plane arrays (IRFPAs) based on capacitive readout is proposed. The ROIC is optimized according to noise modeling and analysis to reduce noise. An experimental chip of 16×16 FPAs readout circuit has been designed and fabricated using 0.35um CMOS technology. The measurement results showed that the power dissipation is 16.5mW from a 5V supply voltage at 50Hz frame rate, the linearity is 99.2% at the typical mode; the uniformity is larger than 97% and the equivalent noise charge (ENC) is below 150e. It is believed that the ROIC has a great potential in the applications of large-scale micro-cantilever-based uncooled IRFPAs.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Junmin Cao ; Zhongjian Chen ; Wengao Lu ; Yacong Zhang ; Ke Lei, et al.
"Design of readout circuit for microcantilever-based ripple uncooled infrared focal plane arrays", Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73834J (August 05, 2009); doi:10.1117/12.836710; http://dx.doi.org/10.1117/12.836710


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