Power consumption of analog circuits: a tutorial

Authors:
Christer Svensson;J. Jacob Wikner
Affiliations:
Department of Electrical Engineering, Linköping University, Linköping, Sweden 581 83;Department of Electrical Engineering, Linköping University, Linköping, Sweden 581 83
Venue:
Analog Integrated Circuits and Signal Processing
Year:
2010

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Abstract

A systematic approach to the power consumption of analog circuits is presented. The power consumption is related to basic circuit requirements, as dynamic range, bandwidth, noise figure and sampling speed and is considering basic device and device scaling behavior. Several kinds of circuits are treated, as samplers, amplifiers, filters and oscillators. The objective is to derive lower bounds to power consumption in analog circuits, to be used as design targets when designing power-constrained analog systems.