Title: 17 bit 4.35mW 1kHz Sigma delta ADC and 256-to-1 multiplexer for remote handling instrumentation equipment
Authors: Verbeeck, Jens ×
Van Uffelen, Marco
Steyaert, Michiel
Leroux, Paul #
Issue Date: Oct-2013
Publisher: North-Holland
Series Title: Fusion Engineering and Design vol:88 issue:9-10 pages:1942-1946
Abstract: A radiation tolerant Delta-Sigma Analog-to-Digital Converter (ADC) and multiplexer is presented. The design features a 1.5 V, 17 bit ADC consuming 4.35 mW at a sample frequency of 1 MHz. The ADC features a bandwidth of 1 kHz and utilizes a Correlated Double Sampling technique (CDS) to remove offset and 1/f noise. The circuit maintains its 17 bit resolution upon a simulated radiation dose exceeding 1 MGy and varying temperatures between 0 °C and 85 °C. Next a multiplexer is presented. It can multiplex 256 channels at a clock frequency of 128 MHz or has a data throughput of 256 MSample/s. In addition the bit period of the multiplexer varies less then 1.5% due to the influence of temperature or radiation, which proves the temperature and radiation tolerance.
ISSN: 0920-3796
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Applied Mechanics and Energy Conversion Section
ESAT - MICAS, Microelectronics and Sensors
Technologiecluster ESAT Elektrotechnische Engineering
Electrical Engineering (ESAT) TC, Technology Campus Geel
× corresponding author
# (joint) last author

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