Published February 2016 | Version v1
Journal article Metadata-only

SAMPA chip: a new ASIC for the ALICE TPC and MCH upgrades

Creators

  • 1. Escola Politécnica, Universidade de São Paulo, Av. Prof. Luciano Gualberto, 158, trav.3, São Paulo SP (Brazil)
  • 2. Instituto de Física, Universidade de São Paulo, rua de Matão 1371, São Paulo SP (Brazil)
  • 3. Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris-Sud, CNRS-IN2P3, Orsay, France, 15 rue Georges Clemenceau, 91406 Orsay France (France)
  • 4. University of Oslo, P.O. Box 1048, Blindern, NO-0316 Oslo (Norway)
  • 5. Departamento de Física, Instituto Tecnológico de Aeronáutica, ITA, Praça Marechal Eduardo Gomes 50, São José dos Campos SP (Brazil)
  • 6. Joint Institute for Nuclear Research, Joliot-Curie 6, Dubna, Moscow region (Russian Federation)
  • 7. University of Bergen, P.O. Box 7800, NO-5020 Bergen (Norway)

Description

This paper presents the SAMPA, an ASIC designed for the upgrade of read-out front end electronics of the ALICE Time Projection Chamber (TPC) and Muon Chambers (MCH). SAMPA is made in a 130 nm CMOS technology with 1.25 V nominal voltage supply and includes 32 channels, with selectable input polarity, and five possible combinations of shaping time and sensitivity. Each channel comprises a Charge Sensitive Amplifier, a semi-Gaussian shaper and a 10-bit ADC, followed by a Digital Signal Processor. A prototype in a multi project run was submitted to evaluate the performance of each of these blocks. The experimental results of the tests on these building blocks are presented, showing a substantial agreement with requirements

Availability note (English)

Available from http://dx.doi.org/10.1088/1748-0221/11/02/C02088

Additional details

Identifiers

DOI
10.1088/1748-0221/11/02/C02088;

Publishing Information

Journal Title
Journal of Instrumentation
Journal Volume
11
Journal Issue
02
Journal Page Range
p. C02088
ISSN
1748-0221

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
47072236
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
Descriptors DEI
ALICE DETECTOR; AMPLIFIERS; ANALOG-TO-DIGITAL CONVERTERS; ELECTRIC POTENTIAL; GAUSSIAN PROCESSES; MUONS; PERFORMANCE; READOUT SYSTEMS; SEMICONDUCTOR DEVICES; SENSITIVITY; SIGNALS; TIME PROJECTION CHAMBERS
Descriptors DEC
DRIFT CHAMBERS; ELECTRONIC EQUIPMENT; ELEMENTARY PARTICLES; EQUIPMENT; FERMIONS; LEPTONS; MEASURING INSTRUMENTS; MULTIWIRE PROPORTIONAL CHAMBERS; PROPORTIONAL COUNTERS; RADIATION DETECTORS