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

Erdogan, Ahmet T.
Walker, Richard
Finlayson, Neil
Krstajic, Nikola
Williams, Gareth O.S.
Henderson, Robert K.

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Publication date

August 2017

DOI

10.23919/VLSIC.2017.8008513

Publisher

Institute of Electrical and Electronics Engineers Inc.

Abstract

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.</p

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

Abstract

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

Abstract

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