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

Abstract : 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.
Type de document :
Communication dans un congrès
Topical Workshop on Electronics for Particle Physics 2015, Sep 2015, Lisbonne, Portugal. 11 (02), 2016, Journal of Instrumentation. 〈10.1088/1748-0221/11/02/C02088〉
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http://hal.in2p3.fr/in2p3-01295767
Contributeur : Sophie Heurteau <>
Soumis le : jeudi 31 mars 2016 - 15:36:56
Dernière modification le : jeudi 11 janvier 2018 - 06:12:41

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S.H.I. Barboza, M. Bregant, V. Chambert, B. Espagnon, H.D. Hernandez Herrera, et al.. SAMPA chip: a new ASIC for the ALICE TPC and MCH upgrades. Topical Workshop on Electronics for Particle Physics 2015, Sep 2015, Lisbonne, Portugal. 11 (02), 2016, Journal of Instrumentation. 〈10.1088/1748-0221/11/02/C02088〉. 〈in2p3-01295767〉

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