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Communication Dans Un Congrès Année : 2023

The LiTE-DTU: A Data Conversion and Compression ASIC for the Readout of the CMS Electromagnetic Calorimeter

Giovanni Mazza
  • Fonction : Auteur
Stefano Argirò
  • Fonction : Auteur
Cecilia Borca
  • Fonction : Auteur
Simona Cometti
  • Fonction : Auteur
Fabio Cossio
  • Fonction : Auteur
Giulio Dellacasa
  • Fonction : Auteur
Marco Mignone
  • Fonction : Auteur
Nadia Pastrone
  • Fonction : Auteur
Dario Soldi
  • Fonction : Auteur
Luca Silvestrin
  • Fonction : Auteur
Silvia Tedesco
  • Fonction : Auteur
Mario Tessaro
  • Fonction : Auteur
Joao Varela
  • Fonction : Auteur
Richard Wheadon
  • Fonction : Auteur

Résumé

The high-luminosity phase of operation of the CERN Large Hadron Collider (HL-LHC) will pose new challenges to the detectors and their readout electronics. In particular, the Compact Muon Solenoid (CMS) barrel electromagnetic calorimeter will require a full redesign of the electronic readout chain in order to cope with the increase in luminosity and trigger rate. In this framework, a new application-specific integrated circuit (ASIC) integrating A/D conversion, lossless data compression, and high-speed transmission has been developed and tested. The ASIC, named Lisboa-Torino Ecal Data Transmission Unit (LiTE-DTU), is designed in a commercial CMOS 65-nm process and embeds two 12-bit, 160-MS/s analog-to-digital converters (ADCs), a data selection and compression logic, and a 1.28-Gb/s output serial link. The high-speed 1.28-GHz clock is generated internally from the 160-MHz input by a clock multiplication phase-locked loop (PLL). The circuit has been designed implementing radiation-tolerant techniques in order to work in the harsh environment of the HL-LHC upgrade. The LiTE-DTU is currently in the preproduction phase. A sample of 600 chips has been tested and incorporated into front-end (FE) boards for systems performance testing.
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Dates et versions

hal-04145374 , version 1 (29-06-2023)

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Citer

Giovanni Mazza, Stefano Argirò, Cecilia Borca, Simona Cometti, Fabio Cossio, et al.. The LiTE-DTU: A Data Conversion and Compression ASIC for the Readout of the CMS Electromagnetic Calorimeter. 23rd IEEE Real Time Conference, Aug 2022, Online, United States. pp.1215-1222, ⟨10.1109/TNS.2023.3274930⟩. ⟨hal-04145374⟩
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