A 64 × 64 SPAD-Based Indirect Time-of-Flight Image Sensor With 2-Tap Analog Pulse Counters

This article presents a 64 \times 64 indirect time-of-flight (iToF) image sensor with a depth range of 50 m, integrated into a 1P4M 110-nm CMOS process. The sensor is based on a single-photon avalanche diode (SPAD), the range-dependent phase delay of which is measured by compact analog time-gated...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2021-10, Vol.56 (10), p.2956-2967
Hauptverfasser:	Park, Byungchoul, Park, Injun, Park, Chanmin, Choi, Woojun, Na, Yoondeok, Lee, Myung-Jae, Chae, Youngcheol
Format:	Artikel
Sprache:	eng
Schlagworte:	3-D imaging analog counter Analog to digital conversion Analog to digital converters Avalanche diodes Bandpass filters CMOS CMOS time-of-flight (ToF) sensor Delays Demodulation global shutter indirect ToF (iToF) sensor Photon avalanches Photonics Pixels Pulse counters Ring structures Robot sensing systems Sensors single-photon avalanche diode (SPAD) Single-photon avalanche diodes SPAD-based iToF sensor time-gated pulse counter Uncertainty Vertical cavity surface emitting lasers
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