Capacitively-Coupled Chopper Operational Amplifiers

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


In Chap.  3, the basic capacitively-coupled chopper topology for operational amplifiers (opamp) has been described. In this chapter, two capacitively-coupled chopper opamps (CCOPA) will be presented. They both achieve wide input common-mode voltage range (CMVR) and high precision. The first opamp employs a single-path architecture and features high power efficiency and simplicity. The second opamp is more complex and employs a multipath architecture. Thus, it is less power efficient, but has a wider bandwidth and a smoother transfer function.


Step Response Charge Pump Charge Injection Input Stage Frequency Compensation 
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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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