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Ultra low power beta multiplier-based current reference circuit
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Department of Micro-and Nanosciences, School of Electrical Engineering, Aalto University .
2017 (English)In: Analog Integrated Circuits and Signal Processing, ISSN 0925-1030, E-ISSN 1573-1979, Vol. 93, no 3, 523-529 p.Article in journal (Refereed) Published
Abstract [en]

 This work presents a current reference circuit fabricated in a standard 0.18 μm CMOS technology. The reference current is obtained by applying thermal compensation voltage in the conventional self-biased or beta multiplier-based current reference circuit. Eight prototypes of the proposed architecture were measured which have resulted into the mean reference current of 26.1 nA with the temperature coefficient of 202.1 ppm/°C. These measurements were performed in the temperature range of − 40 to + 85 °C. The circuit is capable of working over the supply voltage range of 1–2 V with the measured mean line sensitivity of 2.18%/V. The maximum measured power dissipation of the circuit is 104 nW at 2 V.

Place, publisher, year, edition, pages
Springer, 2017. Vol. 93, no 3, 523-529 p.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-66101DOI: 10.1007/s10470-017-1057-5ISI: 000414463300012OAI: oai:DiVA.org:ltu-66101DiVA: diva2:1148881
Note

Validerad;2017;Nivå 2;2017-11-24 (andbra)

Available from: 2017-10-12 Created: 2017-10-12 Last updated: 2017-11-24Bibliographically approved

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