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Design of a HVCMOS pixel sensor ASIC with on-chip readout electronics for ATLAS ITk upgrade

Prathapan, Mridula 1; Barrillon, P.; Benoit, M.; Casanova, R.; Ehrler, Felix 1; Pangaud, P.; Pusti, S.; Schimassek, Rudolf 1; Vilella, E.; Weber, Alena 1; Wong, W.; Zhang, Hui 1; Perić, Ivan ORCID iD icon 1
1 Karlsruher Institut für Technologie (KIT)


ATLASpix is a series of monolithic High Voltage CMOS (HVCMOS) sensor chips that are engineered to meet the requirements of outer layers of ATLAS ITk pixel tracker for HL-LHC upgrade. They are large collection electrode designs on high resistive wafers to ensure high detection efficiency and radiation tolerance. The readout electronics are placed on the chip periphery. ATLASpix1_M2 prototype is fabricated in a commercial 180 nm CMOS technology and has an active area of 1.6 cm × 0.33 cm. No clock signals are propagated inside the pixel matrix reducing the crosstalk and helping to achieve an estimated power consumption of 300 mW/cm$^{2}$. This work presents the design of ATLASpix_M2 with emphasis on its readout electronics, together with some experimental results.

Verlagsausgabe §
DOI: 10.5445/IR/1000100195
Veröffentlicht am 04.12.2019
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Prozessdatenverarbeitung und Elektronik (IPE)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2019
Sprache Englisch
Identifikator KITopen-ID: 1000100195
HGF-Programm 54.02.03 (POF III, LK 01) ASICs und Integrationstechnologien
Erschienen in Topical Workshop on Electronics for Particle Physics (TWEPP2018) - Posters: 17-21 September, 2018, Antwerp, Belgium
Veranstaltung Topical Workshop on Electronics for Particle Physics (TWEPP 2018), Antwerpen, Belgien, 17.09.2018 – 21.09.2018
Verlag Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Serie Proceedings of Science (PoS) ; 343
Vorab online veröffentlicht am 27.05.2019
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