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Low Noise and Low Offset Operational and Instrumentation Amplifiers

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Operational Amplifiers

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Abstract

Chapter 10 gives an overview of techniques that achieve low-offset, low-noise, and high accuracy in CMOS operational amplifiers (OA or OpAmp) and instrumentation amplifiers (IA or InstAmp). Auto-zero and chopper techniques are used apart and in combination with each other. Frequency-compensation techniques are described that obtain straight roll-off amplitude characteristics in the multi-path architectures of chopper stabilized amplifiers. Therefore, these amplifiers can be used in standard feedback networks. Offset voltages lower than 1 μV can be achieved.

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References

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Authors and Affiliations

  1. Faculty of Electrical Engineering Mathematics and Computer Sciences (EEMCS), Delft University of Technology, Mekelweg 4, 2628 CD, Delft, Netherlands

    Prof. Johan Huijsing

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  1. Prof. Johan Huijsing
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Correspondence to Johan Huijsing .

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Huijsing, J. (2011). Low Noise and Low Offset Operational and Instrumentation Amplifiers. In: Operational Amplifiers. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0596-8_10

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  • DOI: https://doi.org/10.1007/978-94-007-0596-8_10

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-0595-1

  • Online ISBN: 978-94-007-0596-8

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