A 33Mpixel CMOS imager with multi-functional 3-stage pipeline ADC for 480fps high-speed mode and 120fps low-noise mode

High-resolution video has rapidly integrated into our daily life in the context of progress in camera, display, signal processing, and communication technologies. The uppermost video parameters standardized at this moment include 8K, 120-fps, 12b RGB, wide-color-gamut, and HDR. Although a camera tha...

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Bibliographic Details
Main Authors: Yasue, Toshio, Tomioka, Kohei, Funatsu, Ryohei, Nakamura, Tomohiro, Yamasaki, Takahiro, Shimamoto, Hiroshi, Kosugi, Tomohiko, Jun, Sung-Wook, Watanabe, Takashi, Nagase, Masanori, Kitajima, Toshiaki, Aoyama, Satoshi, Kawahito, Shoji
Format: Conference Proceeding
Language:English
Subjects:
Cameras
Capacitors
CMOS image sensors
Image quality
Registers
Solid state circuits
Online Access:Request full text
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Summary:High-resolution video has rapidly integrated into our daily life in the context of progress in camera, display, signal processing, and communication technologies. The uppermost video parameters standardized at this moment include 8K, 120-fps, 12b RGB, wide-color-gamut, and HDR. Although a camera that fulfills all these parameters has been reported based on 1.7-inch 33-Mpixel CMOS imagers [1], achieving a smaller form factor while also maintaining image quality is required from the standpoint of mobility, lens design, and depth of focus. In general, miniaturization of the imager causes degradation of the image quality metrics such as sensitivity, dynamic range, and resolution. We deliberated on these difficulties, and set a target optical format of 1.25 inch.
ISSN:2376-8606
DOI:10.1109/ISSCC.2018.8310198