Yaowu Mo - IEEE Xplore Author Profile

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An 8.9-megapixel 60-frames/s video image sensor with a 14-b column-parallel analog-to-digital converter (ADC) has been developed. A gain amplifier, a 14-b successive approximation ADC (SA-ADC), and a new column digital processor are employed in each column. The SA-ADC has sufficient operation speed to convert the pixel reset and the pixel signal into digital data in a row operation cycle. The colu...Show More
A 1.25-inch optical format, 8.9 M-pixel CMOS image sensor that employs a 4T pinned photodiode (P-PD) pixel and 14 bit column ADCs is reported. A 14 bit or 12 bit digital video signal is streamed out via 16-lane low-voltage, low-power differential serial output ports in 50 fps and 60 fps operations, respectively. Temporal noise floor of 2.8- rms and linear full-well of 27.8ke- were obtained at 60 f...Show More