一种柔性CMOS测试像素读出系统

2022 29th International Conference on Mixed Design of Integrated Circuits and System (MIXDES) Pub Date : 2022-06-23 DOI:10.23919/mixdes55591.2022.9838323

Denis Sami, D. Levski, G. Meynants, Martin Waeny, Nikolai Dimitrov, Georgi Bochev, R. Kandilarov

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引用次数: 0

摘要

介绍了一种用于全局或滚动快门成像的CMOS有源像素的读出系统。读出链由反对数和数字列并行前端组成，以提高读出速度。详细显示的列读出电路包括一个具有相关双采样(CDS)和偏移抵消功能的可编程增益放大器(PGA)。讨论了提高系统灵活性的可编程行和全局驱动。所提出的读出设计在0.11um Front Side Illumination CMOS工艺上进行了硅验证，可读出具有单快照高动态范围(HDR)特征的7T电荷域像素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Flexible CMOS Test-Pixel Readout System

A readout system designed for characterizing CMOS active pixels for imaging with global or rolling shutter operation is presented. The readout chain consists of an ana-log and digital column-parallel front end to increase readout speed. The column readout circuitry shown in detail includes a Programmable Gain Amplifier (PGA) with Correlated Double Sampling (CDS) and offset cancelling features. Programmable row and global drivers which improve the system flexibility have been discussed. The presented readout design was silicon proven on a 0.11um Front Side Illumination CMOS process in reading out 7T charge domain pixels with single-snapshot High-Dynamic Range (HDR) features.

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2022 29th International Conference on Mixed Design of Integrated Circuits and System (MIXDES)

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