CERN Accelerating science

Article
Title First results from the RD53 ATLAS pixel production readout ASIC (ITkPixV2) for HL-LHC
Author(s) Mironova, Maria (LBNL, Berkeley)
Collaboration RD53 Collaboration
Publication 2024
Number of pages 4
In: Nucl. Instrum. Methods Phys. Res., A 1068 (2024) 169671
In: PSD13: The 13th International Conference on Position Sensitive Detectors, Oxford, United Kingdom, 3 - 9 Sep 2023, pp.169671
DOI 10.1016/j.nima.2024.169671 (publication)
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment RD53
Abstract The Phase-2 upgrades of ATLAS and CMS for the High-Luminosity LHC (HL-LHC), require a new tracker with robust readout electronics capable of withstanding extreme radiation (1 Grad), a high hit rate (3 GHz/cm2), and a high data rate readout (5 Gb/s). In a joint effort between ATLAS and CMS, pixel detector readout chips have been designed by the RD53 collaboration in 65 nm CMOS technology. Based on a half-sized demonstrator (RD53A), two chip variants were designed for ATLAS and CMS, respectively. The ATLAS pre-production readout chip, ITkPixV1, was characterised in detail, and informed by the results, the final ATLAS pixel readout chip, ITkPixV2, has been designed, submitted, and the first wafers were received in July 2023. This contribution provides an overview of the characterisation measurements performed on the ITkPixV2 chip so far, focusing on bench-top testing of chip functionality, and first results of X-ray irradiation studies to assess the radiation tolerance of the chip.
Copyright/License publication: © 2024 Published by Elsevier B.V.

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 Record created 2024-10-11, last modified 2024-10-28