| 摘要 |
The present disclosure provides a solid-state image pickup element, including, a pixel portion in which plural pixels each carrying out photoelectric conversion are disposed in a matrix, and a pixel signal reading portion having a function of reading out pixel signals from the pixel portion to signal lines, and sampling reset levels and signal levels of the pixels, wherein the pixel signal reading portion includes column processing units converting analog signals read out into digital signals in correspondence to a column disposition of the pixels, respectively, and each of the column processing units carries out the sampling for the reset level of the pixel plural times, and averages a result of the sampling after the result of the sampling is integrated in a digital integrating circuit within each of the column processing units.
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