A 430nW 64nV/vHz current-reuse telescopic amplifier for neural recording applications
2013 IEEE Biomedical Circuits and Systems Conference (BioCAS), 2013•ieeexplore.ieee.org
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 0.18 μm CMOS process and occupies an active area of 0.16 mm 2.
Experimental measurements show a 430nW power consumption from a 1.2 V supply, 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 0.18 μm CMOS process and occupies an active area of 0.16 mm 2.
Experimental measurements show a 430nW power consumption from a 1.2 V supply, a …
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 0.16mm 2 . Experimental measurements show a 430nW power consumption from a 1.2V supply, a thermal noise floor of 63.8nV/√Hz and a corresponding NEF of 1.5.
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