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Ultra-low-noise readout integrated circuit for uncooled microbolometers

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4 Author(s)
Lv, J. ; State Key Lab. of Electron., Univ. of Electron. Sci. & Technol., Chengdu ; Jiang, Y.D. ; Zhang, D.L. ; Zhou, Y.

A low-noise readout architecture for uncooled microbolometer focal plane arrays is described. A 40times30 uncooled microbolometer focal plane array based on the low-noise ROIC was implemented on silicon using a 0.5 mum CMOS technology. Total output noise voltage is 260 V RMS. Experimental values of voltage responsivities of 3.98 105 V/W on average at 1 Hz modulation frequency have been achieved.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 12 )