Review of Output Ripple Suppression Methods for Chopper Amplifiers

ZHANG Sanfeng; ZHOU Xiong; LI Qiang

doi:10.13911/j.cnki.1004-3365.200281

[1] ENZ C C, TEMES G C. Circuit techniques for reducing the effects of op-amp imperfections: autozeroing, correlated double sampling, and chopper stabilization ［J］. Proc IEEE, 1996, 84(11): 1584-1614.

[2] WITTE J F, MAKINWA K A A, HUIJSING J H. A CMOS chopper offset-stabilized opamp ［J］. IEEE J Sol Sta Circ, 2007, 42(7): 1529-1535.

[3] BURT R, ZHANG J. A micropower chopper-stabilized operational amplifier using a SC notch filter with synchronous integration inside the continuous-time signal path ［J］. IEEE J Sol Sta Circ, 2006, 41(12): 2729-2736.

[4] CHANDRAKUMAR H, MARKOVIC D. A high dynamic-range neural recording chopper amplifier for simultaneous neural recording and stimulation ［J］. IEEE J Sol Sta Circ, 2017, 52(3): 645-656.

[5] WITTE J F, HUIJSING J H, MAKINWA K A A. A current-feedback instrumentation amplifier with 5 μV offset for bidirectional high-side current-sensing ［J］. IEEE J Sol Sta Circ, 2008, 43(12): 2769-2775.

[6] FANG L, GUI P. A 14 nV/Hz 14 μW chopper instrumentation amplifier with dynamic offset zeroing (DOZ) technique for ripple reduction ［C］ ∥ Proc IEEE CICC. Austin, TX, USA. 2019: 1-4.

[7] KUSUDA Y. Auto correction feedback for ripple suppression in a chopper amplifier ［J］. IEEE J Sol Sta Circ, 2010, 45(8): 1436-1445.

[8] WU R, MAKINWA K A A, HUIJSING J H. A chopper current-feedback instrumentation amplifier with a 1 mHz 1/f noise corner and an AC-coupled ripple reduction loop ［J］. IEEE J Sol Sta Circ, 2009, 44(12): 3232-3243.

[9] ZHENG J, KI W H, TSUI C Y. Analysis and design of a ripple reduction chopper bandpass amplifier ［J］. IEEE Trans Circ Syst I: Regu Pap, 2017, 65(4): 1185-1195.

[10] FAN Q, SEBASTIANO F, HUIJSING J H, et al. A 1.8 μW 60 nV/Hz capacitively-coupled chopper instrumentation amplifier in 65 nm CMOS for wireless sensor nodes ［J］. IEEE J Sol Sta Circ, 2011, 46(7): 1534-1543.

[11] AKITA I, ISHIDA M. A 0.06 mm2 14 nV/Hz chopper instrumentation amplifier with automatic differential-pair matching ［C］ ∥ Proc IEEE ISSCC. San Francisco, CA, USA. 2013: 178-179.