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Proceedings Paper

800-thousand-pixel color CMOS sensor for consumer still cameras
Author(s): J. E. D. Hurwitz; Peter B. Denyer; Donald J. Baxter; Graham Townsend
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Paper Abstract

An 800k-pixel active pixel device has been developed for use in a digital still camera application. A mode of operation has been developed to cancel the problems of fixed patterned noise and dark current inherent to this type of CMOS imaging array. A time multiplexed read-out mechanism allows the device to operate at 5 Mpix/s and still settle to within 0.1 percent. The device, with a full well of approximately 100K electrons, is capable of delivering a S/N of 66dB, and a sensitivity of approximately 50mV/lux at 50mS exposure. The sensor is covered with a color mosaic to allow an accurate recovery of a color image. This sensor makes new in-roads for CMOS imaging into areas traditionally occupied by CCDs.

Paper Details

Date Published: 25 April 1997
PDF: 10 pages
Proc. SPIE 3019, Solid State Sensor Arrays: Development and Applications, (25 April 1997); doi: 10.1117/12.275168
Show Author Affiliations
J. E. D. Hurwitz, VLSI Vision Ltd. (United Kingdom)
Peter B. Denyer, VLSI Vision Ltd. (United Kingdom)
Donald J. Baxter, VLSI Vision Ltd. (United Kingdom)
Graham Townsend, VLSI Vision Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 3019:
Solid State Sensor Arrays: Development and Applications
Morley M. Blouke, Editor(s)

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