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A 1.25-inch 60-frames/s 8.3-M-pixel digital-output CMOS image sensor

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8 Author(s)
Takayanagi, I. ; Japan Imaging Design Center, Micron Japan Ltd., Tokyo, Japan ; Shirakawa, M. ; Mitani, K. ; Sugawara, M.
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The ultrahigh-definition television (UDTV) camera system requires an image sensor having four times higher resolution and two times higher frame rate than the conventional HDTV systems. Also, an image sensor with a small optical format and low power consumption is required for practical UDTV camera systems. To respond to these requirements, we have developed an 8.3-M-pixel digital-output CMOS active pixel sensor (APS) for the UDTV application. It features an optical format of 1.25inch, low power consumption of less than 600 mW at dark, while reproducing a low-noise, 60-frames/s progressive scan image. The image sensor is equipped with 1920 on-chip 10-bit analog-to-digital converters and outputs digital data stream through 16 parallel output ports. Design considerations to reproduce a low-noise, high-resolution image at high frame rate of 60 fps are described. Implementation and experimental results of the 8.3-M-pixel CMOS APS are presented.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:40 ,  Issue: 11 )

Date of Publication:

Nov. 2005

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