Combined In-Pixel Linear and Single-Photon Avalanche Diode Operation With Integrated Biasing for Wide-Dynamic-Range Optical Sensing
Combined In-Pixel Linear and Single-Photon Avalanche Diode Operation With Integrated Biasing for Wide-Dynamic-Range Optical Sensing
复制标题
像素内线性和单光子雪崩二极管操作与集成偏置相结合,实现宽动态范围光学传感
DOI:
10.1109/jssc.2019.2944856
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发表时间:
2020
影响因子:
5.4
通讯作者:
Johnston, Matthew L.
中科院分区:
文献类型:
--
作者:
Ouh, Hyunkyu;Shen, Boyu;Johnston, Matthew L.
This article presents a fully integrated, wide linear dynamic range (DR) optical sensor array combining linear and single-photon avalanche diode (SPAD) operation within each pixel. A pulse-counting readout scheme provides in-pixel digitization in an area-efficient manner for both the operation modes, enabling fully parallel measurement across the array. The proposed dual-mode optical sensor array alternately requires high-voltage (10-20 V) and low-voltage supply (2-5 V) for reverse bias of the photodiodes, which is provided by a reconfigurable, closed-loop high-voltage charge pump in the same substrate. An 8 × 8 array architecture along with the dual-mode bias generator is fabricated in a general purpose 180-nm CMOS process and demonstrates 129-dB DR while maintaining linear photoresponse operating with a dual-mode frame rate of 20 Hz. We present a pixel design methodology for implementing a dual-mode optical sensor scalable to an array format, as well as high-voltage dc-dc conversion in a low-voltage CMOS process.
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影响因子:
8.4
作者:
Bolton, EK;Sayler, GS;Simpson, ML
通讯作者:
Simpson, ML
DOI:
--
发表时间:
2016
期刊:
影响因子:
--
作者:
K. Yasutomi;S. Kawahito
通讯作者:
S. Kawahito
影响因子:
1.6
作者:
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通讯作者:
Ghioni, M.
影响因子:
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作者:
Ma, Jiaju;Fossum, Eric R.
通讯作者:
Fossum, Eric R.
影响因子:
5.4
作者:
Seo, Min-Woong;Suh, Sung-Ho;Kawahito, Shoji
通讯作者:
Kawahito, Shoji