A single-ended CMOS sensing circuit for MEMS gyroscope with noise cancellation
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AbstractIn this work, a complete single-ended readout circuit for capacitive MEMS gyroscope using chopper stabilization technique is presented. A novel noise cancellation technique is used to get rid of the bias noise. The circuit offers superior performance over state of the art readout circuits in terms of cost, gain, and noise for the given area and power consumption. The full circuit exhibits a gain of 58dB, a power dissipation of 1.3mW and an input referred noise of 12nV/√Hz. This would significantly improve the overall sensitivity of the gyroscope. The full circuit has been fabricated in 0.6um CMOS technology and it occupies an area of 0.4mm × 1mm. © 2010 IEEE.
CitationElsayed, M., Emira, A., Sedky, S., & Habib, S. E. D. (2010). A single-ended CMOS sensing circuit for MEMS gyroscope with noise cancellation. Proceedings of the 8th IEEE International NEWCAS Conference 2010. doi:10.1109/newcas.2010.5603997
Conference/Event name8th IEEE International NEWCAS Conference, NEWCAS 2010