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CATIROC, a multichannel front-end ASIC to read out the 3″ PMTs (SPMT) system of the JUNO experiment

  • S. Conforti
  • , A. Cabrera
  • , C. De La Taille
  • , F. Dulucq
  • , M. Grassi
  • , G. Martin-Chassard
  • , A. Noury
  • , C. Santos
  • , N. Seguin-Moreau
  • , M. Settimo
  • Astroparticule and Cosmol APC
  • SUBATECH

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

The ASIC CATIROC (Charge And Time Integrated Read Out Chip) is a complete read-out chip designed to read arrays of 16 photomultipliers (PMTs). It finds a valuable application in the content of the JUNO (Jiangmen Underground Neutrino Observatory) experiment [1], a liquid scintillator antineutrino detector with a double calorimetry system combining about 17k 20″ PMTs (Large PMTs system) and around 25k 3″ PMTs (Small PMTs system). A front-end electronics based on the ASIC CATIROC matches well within the 3″ PMTs system specifications as explained in this paper. CATIROC is a SoC (System on Chip) that processes analog signals up to the digitization to reduce the cost and cables number. The ASIC is composed of 16 independent channels that work in triggerless mode, auto-triggering on the single photo-electron (PE). It provides a charge measurement with a charge resolution of 15 fC and a timing information with a precision of 200 ps rms.

Original languageEnglish
Title of host publicationProceedings of International Conference on Technology and Instrumentation in Particle Physics 2017 - Volume 1
EditorsZhen-An Liu
PublisherSpringer Science and Business Media, LLC
Pages168-172
Number of pages5
ISBN (Print)9789811313127
DOIs
Publication statusPublished - 1 Jan 2018
EventInternational Conference on Technology and Instrumentation in Particle Physics, TIPP 2017 - Beijing, China
Duration: 22 May 201726 May 2017

Publication series

NameSpringer Proceedings in Physics
Volume212
ISSN (Print)0930-8989
ISSN (Electronic)1867-4941

Conference

ConferenceInternational Conference on Technology and Instrumentation in Particle Physics, TIPP 2017
Country/TerritoryChina
CityBeijing
Period22/05/1726/05/17

Keywords

  • Analog electronic circuits
  • Front-end electronics for photomultipliers read-out
  • Multichannel ASIC

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