Ponencia
A CMOS 8×8 SPAD array for Time-of-Flight measurement and light-spot statistics
Autor/es | Vornicu, Ion
Carmona Galán, Ricardo Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2013 |
Fecha de depósito | 2019-12-19 |
Publicado en |
|
ISBN/ISSN | 978-1-4673-5762-3 0271-4302 2158-1525 |
Resumen | The design and simulation of a CMOS 8 × 8 single photon avalanche diode (SPAD) array is presented. The chip has been fabricated in a 0.18μm standard CMOS technology and implements a double functionality: measuring the ... The design and simulation of a CMOS 8 × 8 single photon avalanche diode (SPAD) array is presented. The chip has been fabricated in a 0.18μm standard CMOS technology and implements a double functionality: measuring the Time-of-Flight with the help of a pulsed light source; or computing focal-plane statistics in biomedical imaging applications based on a concentrated light-spot. The incorporation of on-chip processing simplifies the interfacing of the array with the host system. The pixel pitch is 32μm, while the diameter of the quasi-circular active area of the SPADs is 12μm. The 113μm 2 active area is surrounded by a T-well guard ring. The resulting breakdown voltage is 10V with a maximum excess voltage of 1.8V. The pixel incorporates a novel active quenching/reset circuit. The array has been designed to operate with a laser pulsed at 20Mhz. The overall time resolution is 115ps. Focal-plane statistics are obtained in digital format. The maximum throughput of the digital output buffers is 200Mbps. |
Identificador del proyecto | IPT-2011-1625- 430000
IPC-20111009 N000141110312 |
Cita | Vornicu, I., Carmona Galán, R. y Rodríguez Vázquez, Á.B. (2013). A CMOS 8×8 SPAD array for Time-of-Flight measurement and light-spot statistics. En IEEE International Symposium on Circuits and Systems (ISCAS) (2626-2629), Beijing, China: Institute of Electrical and Electronics Engineers. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
A CMOS 8×8 SPAD Array.pdf | 568.0Kb | [PDF] | Ver/ | |