Design of a 3D-IC multi-resolution digital pixel sensor

N. Brochard; J. Nebhen; J. Dubois; D. Ginhac

doi:10.1117/12.2230138

29 April 2016 Design of a 3D-IC multi-resolution digital pixel sensor

N. Brochard, J. Nebhen, J. Dubois, D. Ginhac

Proceedings Volume 9897, Real-Time Image and Video Processing 2016; 989707 (2016) https://doi.org/10.1117/12.2230138
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

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%.

Citation Download Citation

N. Brochard, J. Nebhen, J. Dubois, and D. Ginhac "Design of a 3D-IC multi-resolution digital pixel sensor", Proc. SPIE 9897, Real-Time Image and Video Processing 2016, 989707 (29 April 2016); https://doi.org/10.1117/12.2230138

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