A MGy, Low-Offset Programmable Instrumentation Amplifier IC for Nuclear Applications

2015 15th European Conference on Radiation and Its Effects on Components and Systems (RADECS)(2015)

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摘要
This paper shows a customized MGy radiation tolerant instrumentation amplifier. The 65 nm CMOS-based ASIC amplifier has an offset smaller than 1 µV and a noise level below 50 nV/√Hz from DC. It consumes less than 5 mW and has a common-mode-rejection-ratio larger the 100 dB. In addition, it allows a programmable gain setting from 8,16,32,64,128 to 256. The performance of this instrumentation amplifier was monitored during an on-line radiation experiment up to a total ionizing dose larger than 1 MGy, enabling the read-out of the most common nuclear temperature and position sensors.
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关键词
low-offset programmable instrumentation amplifier,nuclear applications,radiation tolerant instrumentation amplifier,CMOS based ASIC amplifier,programmable gain,size 65 nm
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