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Mixed-signal integrated circuits for self-contained sub-cubic millimeter biomedical implants

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4 Author(s)
Eric Y Chow ; Purdue University, West Lafayette, IN, USA ; Sudipto Chakraborty ; William J. Chappell ; Pedro P. Irazoqui

This paper presents implantable monitors developed for treatment of glaucoma and cardiac disease. The CMOS chip enables wireless telemetry, powering at 2.4 GHz, and digitizes and stores data from a MEMS sensor into FeRAM. A 24 ¿F capacitor array for power storage enables independent operation over a 24-hour period. The system demonstrates a 0.5 mmHg resolution over a 0-to-50 mmHg range.

Published in:

2010 IEEE International Solid-State Circuits Conference - (ISSCC)

Date of Conference:

7-11 Feb. 2010