Choppers for High Input Common-Mode Voltages

  • Qinwen FanEmail author
  • Kofi A. A. Makinwa
  • Johan H. Huijsing
Part of the Analog Circuits and Signal Processing book series (ACSP)


As described in Chaps.  1 and  3, capacitively coupled chopper amplifiers can potentially achieve an input CMVR equal to the breakdown voltage of their input capacitors.


  1. 1.
    C. Birk, G. Mora-Puchalt, “A 60V capacitive gain 27nV/√Hz 137dB CMRR PGA with ±10V inputs,” ISSCC, Dig. Tech. Papers, pp. 376–377, Feb. 2012.Google Scholar
  2. 2.
    Q. Fan, J. H. Huijsing, K.A.A. Makinwa, “A Capacitively-Coupled Chopper Operational Amplifier with 3µV Offset and Outside-the-Rail Capability,” Proc. ESSCIRC, pp.73-76, Sept. 2012.Google Scholar
  3. 3.
    Q. Fan, J. H. Huijsing, K. A. A. Makinwa, “A capacitively-coupled chopper instrumentation amplifier with a ±30V common-mode range, 160dB CMRR and 5µV Offset,” IEEE ISSCC Dig. Tech. Papers, pp. 374-376, Feb. 2012.Google Scholar
  4. 4.
    J. H. Huijsing, Q. Fan, K. A. A. Makinwa, D. Fu, S. Wu, J. Wu, Y. Chen, “Fully capacitive coupled input choppers”, US patent in process.Google Scholar

Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Qinwen Fan
    • 1
    Email author
  • Kofi A. A. Makinwa
    • 2
  • Johan H. Huijsing
    • 3
  1. 1.Mellanox TechnologiesDelfgauwThe Netherlands
  2. 2.Delft University of TechnologyDelftThe Netherlands
  3. 3.SchipluidenThe Netherlands

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