Megapixel CMOS imager with charge binning

Stefan C. Lauxtermann; Alice Biber; Peter Schwider; Peter Metzler; Peter Seitz; Reiner Bidenbach

doi:10.1117/12.426944

15 May 2001 Megapixel CMOS imager with charge binning

Stefan C. Lauxtermann, Alice Biber, Peter Schwider, Peter Metzler, Peter Seitz, Reiner Bidenbach

Proceedings Volume 4306, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications II; (2001) https://doi.org/10.1117/12.426944
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States

Abstract

An active pixel sensor array (APS) with programmable resolution was realized in standard 0.5 micrometers CMOS technology. For operation under poor lighting conditions, the change of sub-regions of 2 by 2 respectively 4 by 4 pixels can be summed, yielding a corresponding sensitivity enhancement. In that way the maximum resolution of 1024 by 1024 can be reduced to 512 by 512 or 256 by 256. Based on a charge skimming mechanism, the required circuitry can be implemented in any logic CMOS technology without process modifications. Output through 1, 2 or 4 analog channels clocked at a pixel at up to 40 MHz each allows a frame rate up to 160 frames/sec at an overall power dissipation of 70 mW.

Citation Download Citation

Stefan C. Lauxtermann, Alice Biber, Peter Schwider, Peter Metzler, Peter Seitz, and Reiner Bidenbach "Megapixel CMOS imager with charge binning", Proc. SPIE 4306, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications II, (15 May 2001); https://doi.org/10.1117/12.426944

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