采用像素级Sigma-Delta ADC的0.88nW/pixel, 99.6 dB线性动态范围全数字图像传感器

2006 Symposium on VLSI Circuits, 2006. Digest of Technical Papers. Pub Date : 2006-06-15 DOI:10.1109/VLSIC.2006.1705293

Z. Ignjatovic, M. Bocko

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引用次数: 19

摘要

我们描述了一种采用像素级SigmaDelta模拟到数字转换的CMOS图像传感器。与其他模拟和数字成像仪读出技术相比，该设计具有高填充系数(31%)、零直流偏置固定模式噪声和降低复位和晶体管读出噪声。SigmaDelta像素设计还具有低功耗:30 fps时0.88 nW/像素，16位的高动态范围，内在线性，对工艺变化相对不敏感

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A 0.88nW/pixel, 99.6 dB Linear-Dynamic-Range Fully-Digital Image Sensor Employing a Pixel-Level Sigma-Delta ADC

We describe a CMOS image sensor employing pixel-level SigmaDelta analog to digital conversion. The design has high fill factor (31%), zero DC offset fixed pattern noise and reduced reset and transistor readout noise in comparison to other analog and digital imager readout techniques. The SigmaDelta pixel design also has low power consumption: 0.88 nW/pixel at 30 fps, high dynamic range of 16 bits, intrinsic linearity, and relative insensitivity to process variations

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2006 Symposium on VLSI Circuits, 2006. Digest of Technical Papers.

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