PARISROC, a Photomultiplier Array Integrated Readout Chip

Details PARISROC, a Photomultiplier Array Integrated Readout Chip PARISROC, a Photomultiplier Array Integrated Readout Chip

2010-01-08

arxiv.org/abs/1001.1305v1

Physics

Instrumentation and Detectors

Topical Workshop on Electronics for Particle Physics (TWEPP-09, Paris, France, Sept. 2009)

Scientific paper

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 data storage. This paper describes the front-end electronics ASIC called PARISROC.

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