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Authors: Jakob M. Tomasik ; Wjatscheslaw Galjan ; Kristian M. Hafkemeyer ; Dietmar Schroeder and Wolfgang H. Krautschneider

Affiliation: Institute of Nanoelectronics and Hamburg University of Technology, Germany

Keyword(s): Biomedical signals, SoC, Low-power, Low-noise, Configurable, CMRR-calibration, DC-suppression.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Instrumentation ; Biomedical Instruments and Devices ; Low-Power Design ; Microelectronics

Abstract: A CMOS configurable system-on-chip (SoC) for biomedical signal acquisition is described. The SoC is composed of 10 channels, each channel including a programmable analog front-end (AFE) and a 20 bit analog-to-digital converter (ADC). The digitized signals are read out via a high-speed serial communication bus. The AFE includes a common-mode rejection ratio (CMRR) calibration circuitry resulting in a CMRR of more than 80 dB and an active DC-suppression circuitry giving the DC-coupled instrumentation amplifier the possibility to tolerate DC-offsets of up to ±1 V for a power supply voltage of 3.3 V. In low-noise mode the AFE achieves an input referred noise of less than 50 nVrms for EEG application (0.5-70 Hz) and the power consumption of a channel including AFE and ADC is less than 5 mW in low-power mode. A prototype has been fabricated in a 0.35 µm CMOS process.

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Paper citation in several formats:
Tomasik, J.; Galjan, W.; Hafkemeyer, K.; Schroeder, D. and Krautschneider, W. (2011). AN INTEGRATED MULTI-CHANNEL SYSTEM FOR BIOMEDICAL SIGNAL ACQUISITION. In Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2011) - BIODEVICES; ISBN 978-989-8425-37-9; ISSN 2184-4305, SciTePress, pages 36-45. DOI: 10.5220/0003137600360045

@conference{biodevices11,
author={Jakob M. Tomasik. and Wjatscheslaw Galjan. and Kristian M. Hafkemeyer. and Dietmar Schroeder. and Wolfgang H. Krautschneider.},
title={AN INTEGRATED MULTI-CHANNEL SYSTEM FOR BIOMEDICAL SIGNAL ACQUISITION},
booktitle={Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2011) - BIODEVICES},
year={2011},
pages={36-45},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003137600360045},
isbn={978-989-8425-37-9},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2011) - BIODEVICES
TI - AN INTEGRATED MULTI-CHANNEL SYSTEM FOR BIOMEDICAL SIGNAL ACQUISITION
SN - 978-989-8425-37-9
IS - 2184-4305
AU - Tomasik, J.
AU - Galjan, W.
AU - Hafkemeyer, K.
AU - Schroeder, D.
AU - Krautschneider, W.
PY - 2011
SP - 36
EP - 45
DO - 10.5220/0003137600360045
PB - SciTePress

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