A 240-frames/s 2.1-Mpixel CMOS Image Sensor With Column-Shared Cyclic ADCs.

Seunghyun Lim,Jimin Cheon,Youngcheol Chae,Wunki Jung,Dong-Hun Lee,Minho Kwon,Kwisung Yoo,Seogheon Ham,Gunhee Han

IEEE Journal of Solid-State Circuits（2011）

引用 75|浏览4

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摘要

This paper proposes a low-power 240 frames/s 2.1 M-pixel CMOS image sensor with column-shared cyclic (CY) ADCs. Two-column shared CY-ADC architecture and two-level stacked ADC placement are employed for low-power and small pixel pitch design. The proposed CY-ADC uses only one OTA and four capacitors. Distributed clocking scheme using cascaded repeaters is proposed to reduce the required peak curre...

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关键词

Pixel,Clocks,Repeaters,CMOS image sensors,Capacitors,Capacitance,Power demand

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