Design of a 3D-IC Multi-Resolution Digital Pixel Sensor

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TitreDesign of a 3D-IC Multi-Resolution Digital Pixel Sensor
Type de publicationConference Paper
Year of Publication2016
AuteursBrochard N., Nebhen J., Dubois J., Ginhac D.
EditorKehtarnavaz N, Carlsohn MF
Conference NameREAL-TIME IMAGE AND VIDEO PROCESSING 2016
PublisherSPIE; Brussels Photon Team; Res Fdn Flanders; Visit Brussels
Conference Location1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN Number978-1-5106-0142-0
Mots-clés3D-IC technology, Digital Pixel Sensor (DPS), Multi-resolution, Sigma-Delta ADC
Résumé

This paper presents a digital pixel sensor (DPS) integrating a sigma-delta analog-to-digital converter (ADC) at pixel level. The digital pixel includes a photodiode, a delta-sigma modulation and a digital decimation filter. It features adaptive dynamic range and multiple resolutions (up to 10-bit) with a high linearity. A specific row decoder and column decoder are also designed to permit to read a specific pixel chosen in the matrix and its neighborhood of 4 x 4. Finally, a complete design with the CMOS 130 nm 3D-IC FaStack Tezzaron technology is also described, revealing a high fill-factor of about 80%.

DOI10.1117/12.2230138