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ALTIROC1, a 25 pico-second time resolution ASIC for the ATLAS High Granularity Timing Detector (HGTD)

  • Nathalie Seguin-Moreau
  • , S. Conforti
  • , P. Dinaucourt
  • , C. de la Taille
  • , G. Martin-Chassard
  • , C. Agapopoulou
  • , N. Makovec
  • , L. Serin
  • , S. Sacerdoti
  • , A. Dragone
  • , B. Markovic
  • , C. Milke
  • , L. Ruckman
  • , A. Schwartzman
  • , D. Su
  • , D. Gong
  • , J. Ye
  • , W. Zhou
  • Omega (Centre de Microélectronique)-École Polytechnique
  • Laboratoire de l'Accélérateur Linéaire
  • Stanford Linear Accelerator Center
  • Southern Methodist University

Résultats de recherche: Contribution à un journalArticle de conférenceRevue par des pairs

Résumé

ALTIROC1 is a 25-channel ASIC designed to read out the 5 x 5 matrix of 1.3 mm x 1.3 mm x 50 µm Low Gain Avalanche Diodes (LGAD) of the ATLAS HGTD detector foreseen for the HL-LHC upgrade. The targeted combined time resolution of the sensor and the readout electronics is from 40 ps/hit (initial) to about 80 ps/hit (end of operational lifetime). Each ASIC channel integrates a RF preamplifier followed by a high speed discriminator and two TDCs for Time-of-Arrival and Time-Over-Threshold measurements as well as a local memory. This front-end must exhibit an extremely low jitter noise while keeping a challenging power consumption of less than 4.5 mW. Detailed measurements are presented.

langue originaleAnglais
journalProceedings of Science
Volume370
étatPublié - 1 janv. 2019
Modification externeOui
Evénement2019 Topical Workshop on Electronics for Particle Physics, TWEPP 2019 - Santiago de Compostela, Espagne
Durée: 2 sept. 20196 sept. 2019

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