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A 16×16-pixel range-finding CMOS image sensor

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6 Author(s)
Stoppa, D. ; ITC, Ist. per la Ricerca Sci. e Tecnologica, Trento, Italy ; Viarani, L. ; Simoni, A. ; Gonzo, L.
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This paper describes the design and characterization of a 16×16-pixel image sensor, fabricated in a 0.35 μm, 3.3 V CMOS technology for real time three dimensional measurements based on multiple-pulse indirect time-of-flight technique. Owing to an innovative fully differential pixel (FDP) architecture, which allows for the detection of very short and low intensity light pulses, the sensor array provides a range map from 2 m to 9 m with a precision of ±4.0% at 2 m and ±1.7% at 9 m. The pixel power consumption is 100 μW, whereas the overall power consumption of the chip is 47 mW in real time operation (30 fps).

Published in:

Solid-State Circuits Conference, 2004. ESSCIRC 2004. Proceeding of the 30th European

Date of Conference:

21-23 Sept. 2004