Title :
A 266nW multi-chopper amplifier with 1.38 noise efficiency factor for neural signal recording
Author :
Yen-Po Chen ; Blaauw, D. ; Sylvester, Dennis
Author_Institution :
Univ. of Michigan, Ann Arbor, MI, USA
Abstract :
A low power high efficiency neural signal recording amplifier with a novel multi-chopper technique is proposed and implemented in 180nm CMOS. The input referred rms noise is 1.54μV (1-500Hz) with 266nA tail current. The result corresponds to a 1.38 noise efficiency factor, which is the best reported among current state-of-the-art amplifiers.
Keywords :
CMOS analogue integrated circuits; amplifiers; biomedical electronics; choppers (circuits); low-power electronics; CMOS process; frequency 1 Hz to 500 Hz; input referred RMS noise; low power high efficiency neural signal recording amplifier; multichopper amplifier; noise efficiency factor; power 266 nW; size 180 nm; voltage 1.54 muV; Bandwidth; Choppers (circuits); Frequency-domain analysis; Noise; Noise measurement; Power demand;
Conference_Titel :
VLSI Circuits Digest of Technical Papers, 2014 Symposium on
Conference_Location :
Honolulu, HI
Print_ISBN :
978-1-4799-3327-3
DOI :
10.1109/VLSIC.2014.6858431
