A 430nW 64nV/square root Hertz current-reuse telescopic amplifier for neural recording applications

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Abstract

This paper presents a low-power low-noise amplifier for neural recording applications. A single-stage current-reuse telescopic topology is proposed to achieve high DC gain and improve the noise efficiency factor (NEF) while allowing the amplifier to be scaled for high bandwidth sensing applications and/or to achieve lower thermal noise floor. The design is fabricated in a standard 0.18µm CMOS process and occupies an active area of 0.16mm2. Experimental measurements show a 430nW power consumption from a 1.2V supply, a thermal noise floor of 63.8nV/vHz and a corresponding NEF of 1.5.
Original languageEnglish
Title of host publicationProceedings of the 2013 IEEE-BIOCAS Biomedical Circuits and Systems Conference, BIOCAS 2013, 31 October - 2 November 2013, Rotterdam, The Netherlands
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages322-325
DOIs
Publication statusPublished - 2013
Eventconference; IEEE BIOCAS; 2013-10-31; 2013-11-02 -
Duration: 31 Oct 20132 Nov 2013

Conference

Conferenceconference; IEEE BIOCAS; 2013-10-31; 2013-11-02
Period31/10/132/11/13
OtherIEEE BIOCAS

Fingerprint

Thermal noise
Low noise amplifiers
Power amplifiers
Electric power utilization
Topology
Bandwidth

Cite this

Song, S., Rooijakkers, M. J., Harpe, P. J. A., Rabotti, C., Mischi, M., Roermund, van, A. H. M., & Cantatore, E. (2013). A 430nW 64nV/square root Hertz current-reuse telescopic amplifier for neural recording applications. In Proceedings of the 2013 IEEE-BIOCAS Biomedical Circuits and Systems Conference, BIOCAS 2013, 31 October - 2 November 2013, Rotterdam, The Netherlands (pp. 322-325). Piscataway: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/BioCAS.2013.6679704
Song, S. ; Rooijakkers, M.J. ; Harpe, P.J.A. ; Rabotti, C. ; Mischi, M. ; Roermund, van, A.H.M. ; Cantatore, E. / A 430nW 64nV/square root Hertz current-reuse telescopic amplifier for neural recording applications. Proceedings of the 2013 IEEE-BIOCAS Biomedical Circuits and Systems Conference, BIOCAS 2013, 31 October - 2 November 2013, Rotterdam, The Netherlands. Piscataway : Institute of Electrical and Electronics Engineers, 2013. pp. 322-325
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title = "A 430nW 64nV/square root Hertz current-reuse telescopic amplifier for neural recording applications",
abstract = "This paper presents a low-power low-noise amplifier for neural recording applications. A single-stage current-reuse telescopic topology is proposed to achieve high DC gain and improve the noise efficiency factor (NEF) while allowing the amplifier to be scaled for high bandwidth sensing applications and/or to achieve lower thermal noise floor. The design is fabricated in a standard 0.18µm CMOS process and occupies an active area of 0.16mm2. Experimental measurements show a 430nW power consumption from a 1.2V supply, a thermal noise floor of 63.8nV/vHz and a corresponding NEF of 1.5.",
author = "S. Song and M.J. Rooijakkers and P.J.A. Harpe and C. Rabotti and M. Mischi and {Roermund, van}, A.H.M. and E. Cantatore",
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booktitle = "Proceedings of the 2013 IEEE-BIOCAS Biomedical Circuits and Systems Conference, BIOCAS 2013, 31 October - 2 November 2013, Rotterdam, The Netherlands",
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Song, S, Rooijakkers, MJ, Harpe, PJA, Rabotti, C, Mischi, M, Roermund, van, AHM & Cantatore, E 2013, A 430nW 64nV/square root Hertz current-reuse telescopic amplifier for neural recording applications. in Proceedings of the 2013 IEEE-BIOCAS Biomedical Circuits and Systems Conference, BIOCAS 2013, 31 October - 2 November 2013, Rotterdam, The Netherlands. Institute of Electrical and Electronics Engineers, Piscataway, pp. 322-325, conference; IEEE BIOCAS; 2013-10-31; 2013-11-02, 31/10/13. https://doi.org/10.1109/BioCAS.2013.6679704

A 430nW 64nV/square root Hertz current-reuse telescopic amplifier for neural recording applications. / Song, S.; Rooijakkers, M.J.; Harpe, P.J.A.; Rabotti, C.; Mischi, M.; Roermund, van, A.H.M.; Cantatore, E.

Proceedings of the 2013 IEEE-BIOCAS Biomedical Circuits and Systems Conference, BIOCAS 2013, 31 October - 2 November 2013, Rotterdam, The Netherlands. Piscataway : Institute of Electrical and Electronics Engineers, 2013. p. 322-325.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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AB - This paper presents a low-power low-noise amplifier for neural recording applications. A single-stage current-reuse telescopic topology is proposed to achieve high DC gain and improve the noise efficiency factor (NEF) while allowing the amplifier to be scaled for high bandwidth sensing applications and/or to achieve lower thermal noise floor. The design is fabricated in a standard 0.18µm CMOS process and occupies an active area of 0.16mm2. Experimental measurements show a 430nW power consumption from a 1.2V supply, a thermal noise floor of 63.8nV/vHz and a corresponding NEF of 1.5.

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Song S, Rooijakkers MJ, Harpe PJA, Rabotti C, Mischi M, Roermund, van AHM et al. A 430nW 64nV/square root Hertz current-reuse telescopic amplifier for neural recording applications. In Proceedings of the 2013 IEEE-BIOCAS Biomedical Circuits and Systems Conference, BIOCAS 2013, 31 October - 2 November 2013, Rotterdam, The Netherlands. Piscataway: Institute of Electrical and Electronics Engineers. 2013. p. 322-325 https://doi.org/10.1109/BioCAS.2013.6679704