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ANALOG-DIGITAL CONVERTING DEVICE AND METHOD, AND IMAGE SENSOR INCLUDING THE SAME
ANALOG-DIGITAL CONVERTING DEVICE AND METHOD, AND IMAGE SENSOR INCLUDING THE SAME
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机译:模拟数字转换装置和方法,以及包括该模拟数字转换装置的图像传感器
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摘要
An analog-digital converting device includes a comparison block generating at least one first comparison signal by comparing pixel signals with each other, and for generating second comparison signals by comparing each of the plurality of pixel signals with a ramp signal through a single ramping operation; a feedback control unit determining a data conversion sequence according to the at least one first comparison signal received from the comparison block, and outputting a control signal according to the determined data conversion sequence; a selection block selecting two of the plurality of the pixel signals or at least one of the plurality of the pixel signals and the ramp signal to be applied to the comparison block according to the control signal received from the feedback control unit; and a data conversion unit performing a data conversion on the plurality of pixel signals based on the second comparison signal.
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