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The AMACStar ASIC for the HL-LHC ATLAS ITk Strip detector: design, verification, testing, and quality assurance

Journal Article · · Journal of Instrumentation
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  1. Univ. of Pennsylvania, Philadelphia, PA (United States)
+ Show Author Affiliations
For the high-luminosity upgrade to the LHC (HL-LHC), the ATLAS detector at CERN requires an all-new inner detector, the Inner Tracker (ITk). The ITk Strip subdetector is made up of silicon modules, which include three types of radiation-hard ASICs. One of these is the Autonomous Monitor and Control (AMAC). The AMAC is manufactured by Global Foundries using 130 nm CMOS8RF DM technology and is approximately 3 by 5 mm in size. This ASIC autonomously monitors the temperatures, voltages, and currents in the module components while controlling critical values in order to prevent these quantities from reaching dangerous levels. The final design, AMACStar, was verified, tested, and ensured to perform all necessary functions. A quality control procedure using an in-house probe station set-up was developed in order to ensure that every individual chip on each wafer of AMACStars required by the ITk Strip project met performance requirements. The average per wafer yield of usable AMACStars is 92.33%, exceeding the design-specific 90% yield estimated for project costing. This estimate was based on actual yields for similar designs in this process.
Research Organization:
Univ. of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
SC0007901
OSTI ID:
3009866
Journal Information:
Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 08 Vol. 20; ISSN 1748-0221
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

References (12)

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Irradiation testing of ASICs for the HL-LHC ATLAS ITk Strip Detector journal February 2023
Current status of the end-of-substructure (EoS) card project for the ATLAS strip tracker upgrade using final ASICs journal March 2023
Testing of the HCC and AMAC functionality and radiation tolerance for the HL-LHC ATLAS ITk strip detector journal March 2023
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The bPOL12V DCDC converter for HL-LHC trackers: towards production readiness
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Related Subjects

Analogue electronic circuits
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