Pixel readout chips in deep submicron CMOS for ALICE and LHCb tolerant to 10 Mrad and beyond


Snoeys, W. and Burns, M. and Campbell, M. and Cantatore, E. and Cencelli, V. and Dinapoli, R. and Heijne, E. and Jarron, P. and Lamanna, P. and Minervini, D. and Morel, M. and O'Shea, V. and Quiquempoix, V. and San Segundo Bello, D. and Koningsveld, B. van and Wyllie, K. (2001) Pixel readout chips in deep submicron CMOS for ALICE and LHCb tolerant to 10 Mrad and beyond. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 466 (2). pp. 366-375. ISSN 0168-9002

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Abstract:The ALICE1LHCB chip is a mixed-mode integrated circuit designed to read out silicon pixel detectors for two different applications: particle tracking in the ALICE Silicon Pixel Detector and particle identification in the LHCb Ring Imaging Cherenkov detector. To satisfy the different needs for these two experiments, the chip can be operated in two different modes. In tracking mode all the 50 μm×425 μm pixel cells in the 256×32 array are read out individually, whilst in particle identification mode they are combined in groups of 8 to form a 32×32 array of 400 μm×425 μm cells. Radiation tolerance was enhanced through special circuit layout. Sensitivity to coupling of digital signals into the analog front end was minimized. System issues such as testability and uniformity further constrained the design. The circuit is currently being manufactured in a commercial 0.25 μm CMOS technology.
Item Type:Article
Copyright:© 2001 Elsevier
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/67629
Official URL:https://doi.org/10.1016/S0168-9002(01)00590-3
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