A 16.5 giga events/s 1024 × 8 SPAD line sensor with per-pixel zoomable 50ps-6.4ns/bin histogramming TDC

A 16.5 giga events/s 1024 × 8 SPAD line sensor with per-pixel zoomable 50ps-6.4ns/bin histogramming TDC
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16.5 giga events/s 1024 × 8 SPAD 线传感器,具有每像素可缩放 50ps-6.4ns/bin 直方图 TDC

DOI:
10.23919/vlsic.2017.8008513
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发表时间:
2017
期刊:
2017 Symposium on VLSI Circuits
影响因子:
--
通讯作者:
R. Henderson
R. Henderson
中科院分区:
--
文献类型:
--
作者:
A. Erdogan;R. Walker;N. Finlayson;N. Krstajić;Gareth O. S. Williams;R. Henderson

文献摘要

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用于时间分辨光谱的基于 1024 × 8 单光子雪崩二极管 (SPAD) 的线传感器在 0.13 μm 成像 CMOS 中实现,像素间距为 23.78 μm,填充因子为 49.31%。该线传感器可以在单光子计数 (SPC) 模式(65 千兆事件/秒)、时间相关单光子计数 (TCSPC) 模式(1.94 亿事件/秒)或直方图模式(16.5 千兆事件/秒)下运行,与 TCSPC 操作相比,计数率最高可提高 85 倍。此性能由具有 50ps-6.4ns/bin 可缩放时间分辨率的 512 通道直方图 TDC 实现。
A 1024 × 8 single photon avalanche diode (SPAD) based line sensor for time resolved spectroscopy is implemented in 0.13 μm imaging CMOS with 23.78 μm pixel pitch at 49.31% fill factor. The line sensor can operate in single photon counting (SPC) mode (65 giga-events/s), time-correlated single photon counting (TCSPC) mode (194 million events/s) or histogramming mode (16.5 giga-events/s), increasing the count rate up to 85 times compared to TCSPC operation. This performance is enabled by a 512 channel histogramming TDC with 50ps-6.4ns/bin zoomable time resolution.