A micropower front-end interface for differential-capacitive sensor systems

Proceedings - IEEE International Symposium on Circuits and Systems

Volumn , Issue , 2008, Pages 2474-2477

  Constandinou, Timothy G ^a,b   Georgiou, Julius ^a   Toumazou, Chris ^b  

^a UNIVERSITY OF CYPRUS   (Cyprus)

^b IMPERIAL COLLEGE LONDON   (United Kingdom)

Author keywords

Capacitive sensor interface; Differential capacitance; Dual slope converter; Integrate and fire; Low power

Indexed keywords

COMPOSITE MICROMECHANICS; COMPUTER NETWORKS; ELECTROMECHANICAL DEVICES; MEMS; MICROELECTROMECHANICAL DEVICES; SENSORS; TECHNICAL PRESENTATIONS;

CAPACITIVE SENSOR INTERFACE; DIFFERENTIAL CAPACITANCE; DUAL SLOPE CONVERTER; INTEGRATE AND FIRE; LOW POWER;

NETWORKS (CIRCUITS);

EID: 51749094816     PISSN: 02714310     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ISCAS.2008.4541957     Document Type: Conference Paper

References (10)

1. J. Wu, G. K. Fedder, and L. R. Carley, "A low-noise low-offset capacitive sensing amplifier for a 50-μg/√Hz monolithic CMOS MEMS accelerometer," IEEE Journal of Solid-State Circuits, vol. 39, no. 5, pp. 722-730, 2004.
2. 0/h Allan deviation," IEEE Journal of Solid-State Circuits, vol. 37, no. 12, pp. 1860-1866, 2002.
3. N. Yazdi and K. Naja., "An interface IC for a capacitive silicon μg accelerometer," IEEE International Solid-State Circuits Conference, pp. 132-133, 1999.
4. K. Mochizuki, K. Watanabe, T. Masuda and M. Katsura, "A Relaxation-Oscillator-Based Interface for High-Accuracy Ratiometric Signal Processing of Differential-Capacitance Transducers," IEEE Transactions on Instrumentation and Measurement, vol. 47, no. 1, pp. 11-15, 1998.
5. F. Krummenacher, "A high resolution Capacitance-to-Frequency Converter," IEEE Journal of Solid-State Circuits, vol. 20, no. 3, pp. 666-670, 1985.
6. W. Bracke, W. Merken, R. Puers, and C. Van Hoof, "Ultra-low-power Interface Chip for Autonomous Capacitive Sensor Systems," IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 54, no. 1, pp. 130-139, 2007.
7. H. Kulah, N. Yazdi, and K. Naja., "A CMOS switched-capacitor interface circuit for an integrated accelerometer," Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems, vol. 1, pp. 244-247, 2000.
8. J. T. Kung, H. Lee, and R. T. Howe, "A digital readout technique for capacitive sensor applications," IEEE Journal of Solid-State Circuits, vol. 23, no. 4, pp. 972-977, 1988.
9. B. George and V. J. Kumar, "Switched capacitor triple slope capacitance to digital converter," IEE Proceedings in Circuits, Devices and Systems, vol. 153, no. 2, pp. 148-152, 2006.
10. S. Tedja, K. Van der Spiegel, and H. H. Williams, "A CMOS Low-Noise and Low-Power Charge Sampling Integrated Circuit for Capacitive Detector/Sensor Interfaces," IEEE Journal of Solid-State Circuits, vol. 30, no. 2, pp. 110-119, 1995.