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A 36 µW 1.1 mm2 reconfigurable analog front-end for cardiovascular and respiratory signals recording

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10.1109/TBCAS.2018.2814699
 
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hdl:2117/177899

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Xu, Jiawei
Konijnenburg, Mario
Ha, Hyunsoo
van Wegberg, Roland
Song, Shuang
Blanco Almazán, María DoloresMés informacióMés informació
Van Hoof, Chris
Van Helleputte, Nick
Document typeArticle
Defense date2018-04-06
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
This paper presents a 1.2 V 36 µW reconfigurable analog front-end (R-AFE) as a general-purpose low-cost IC for multiple-mode biomedical signals acquisition. The R-AFE efficiently reuses a reconfigurable preamplifier, a current generator (CG), and a mixed signal processing unit, having an area of 1.1 mm2 per R-AFE while supporting five acquisition modes to record different forms of cardiovascular and respiratory signals. The R-AFE can interface with voltage-, current-, impedance-, and light-sensors and hence can measure electrocardiography (ECG), bio-impedance (BioZ), photoplethysmogram (PPG), galvanic skin response (GSR), and general-purpose analog signals. Thanks to the chopper preamplifier and the low-noise CG utilizing dynamic element matching, the R-AFE mitigates 1/f noise from both the preamplifier and the CG for improved measurement sensitivity. The IC achieves competitive performance compared to the state-of-the-art dedicated readout ICs of ECG, BioZ, GSR, and PPG, but with approximately 1.4×-5.3× smaller chip area per channel.
Description
© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works
CitationXu, J. [et al.]. A 36 µW 1.1 mm2 reconfigurable analog front-end for cardiovascular and respiratory signals recording. "IEEE Transactions on Biomedical Circuits and Systems", 6 Abril 2018, vol. 12, núm. 4, p. 774-783. 
URIhttp://hdl.handle.net/2117/177899
DOI10.1109/TBCAS.2018.2814699
ISSN1932-4545
Publisher versionhttps://ieeexplore.ieee.org/document/8332504
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  • BIOSPIN - Biomedical Signal Processing and Interpretation - Articles de revista [40]
  • Doctorat en Enginyeria Biomèdica - Articles de revista [125]
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