19 February 2013 A 3mpixel ROIC with 10μm pixel pitch and 120Hz frame rate digital output
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Abstract
A 1920x1536 matrix ROIC (Readout IC) for 10x10 μm2 P-on-N InSb photodiode array is reported. The ROIC features several conversion gain options implemented at the pixel level. A 2-by-2 pixel binning feature is implemented at the pixel level as well, improving SNR and enabling higher frame rates by a factor of four. A new column ADC is designed for low noise and low power consumption, while reaching 95 kSps sampling rate. Since 3840 column ADCs are integrated on chip, the total conversion rate is over 360Mpxl/sec. The ROIC achieves 120 Hz frame rate at the full format, with power consumption of less than 400mW. A high speed digital video interface is developed to output the required data bandwidth at a reasonable pin count.
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Elad Ilan, Niv Shiloah, Shimon Elkind, Roman Dobromislin, Willie Freiman, Alex Zviagintsev, Itzik Nevo, Oren Cohen, Fanny Khinich, Amnon Adin, Ron Talmor, Yaakov Milstain, "A 3mpixel ROIC with 10μm pixel pitch and 120Hz frame rate digital output", Proc. SPIE 8659, Sensors, Cameras, and Systems for Industrial and Scientific Applications XIV, 86590A (19 February 2013); doi: 10.1117/12.2002845; https://doi.org/10.1117/12.2002845
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