PARISROC, a Photomultiplier Array Integrated Readout Chip
S. Conforti Di Lorenzo, J.E. Campagne, F. Dulucq, C. De La Taille, G., Martin-Chassard, M. El Berni, W. Wei

TL;DR
PARISROC is an integrated readout chip designed for photomultiplier arrays, enabling triggerless data acquisition with precise charge and time measurements for neutrino experiments.
Contribution
It introduces a novel ASIC with 16 auto-triggered channels, combining charge and time measurement capabilities in a compact design for high-energy physics applications.
Findings
Integrated 16-channel auto-triggered readout with charge measurement from 1 to 300 p.e.
Achieves 1 ns time resolution with coarse and fine timing methods
Efficient data transmission to central storage via network cables
Abstract
PARISROC is a complete read out chip, in AMS SiGe 0.35 micron technology [1], for photomultipliers array. It allows triggerless acquisition for next generation neutrino experiments and it belongs to an R&D program funded by the French national agency for research (ANR) called PMm2: Innovative electronics for photodetectors array used in High Energy Physics and Astroparticles [2] (ref.ANR-06-BLAN- 0186). The ASIC integrates 16 independent and auto triggered channels with variable gain and provides charge and time measurement by a Wilkinson ADC and a 24-bit Counter. The charge measurement should be performed from 1 up to 300 photo-electrons (p.e.) with a good linearity. The time measurement allowed to a coarse time with a 24-bit counter at 10 MHz and a fine time on a 100ns ramp to achieve a resolution of 1 ns. The ASIC sends out only the relevant data through network cables to the central…
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Taxonomy
TopicsParticle Detector Development and Performance · Neutrino Physics Research · Astrophysics and Cosmic Phenomena
