Miniaturized FDDA and CMOS Based Potentiostat for Bio-Applications
AbstractA novel fully differential difference CMOS potentiostat suitable for neurotransmitter sensing is presented. The described architecture relies on a fully differential difference amplifier (FDDA) circuit to detect a wide range of reduction-oxidation currents, while exhibiting low-power consumption and low-noise operation. This is made possible thanks to the fully differential feature of the FDDA, which allows to increase the source voltage swing without the need for additional dedicated circuitry. The FDDA also reduces the number of amplifiers and passive elements in the potentiostat design, which lowers the overall power consumption and noise. The proposed potentiostat was fabricated in 0.18 µm CMOS, with 1.8 V supply voltage. The device achieved 5 µA sensitivity and 0.99 linearity. The input-referred noise was 6.9 µV
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Ghodsevali, E.; Morneau-Gamache, S.; Mathault, J.; Landari, H.; Boisselier, É.; Boukadoum, M.; Gosselin, B.; Miled, A. Miniaturized FDDA and CMOS Based Potentiostat for Bio-Applications. Sensors 2017, 17, 810.
Ghodsevali E, Morneau-Gamache S, Mathault J, Landari H, Boisselier É, Boukadoum M, Gosselin B, Miled A. Miniaturized FDDA and CMOS Based Potentiostat for Bio-Applications. Sensors. 2017; 17(4):810.Chicago/Turabian Style
Ghodsevali, Elnaz; Morneau-Gamache, Samuel; Mathault, Jessy; Landari, Hamza; Boisselier, Élodie; Boukadoum, Mounir; Gosselin, Benoit; Miled, Amine. 2017. "Miniaturized FDDA and CMOS Based Potentiostat for Bio-Applications." Sensors 17, no. 4: 810.
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