Title :
Mixed-signal integrated circuits for self-contained sub-cubic millimeter biomedical implants
Author :
Chow, E.Y. ; Chakraborty, Shiladri ; Chappell, W.J. ; Irazoqui, P.P.
Author_Institution :
Purdue Univ., West Lafayette, IN, USA
Abstract :
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.
Keywords :
CMOS integrated circuits; analogue-digital conversion; bioMEMS; biomedical electronics; biomedical telemetry; cardiology; eye; patient diagnosis; power supplies to apparatus; prosthetics; wireless sensor networks; CMOS chip; FeRAM; MEMS sensor; capacitance 24 muF; capacitor array power storage; cardiac disease treatment; data digitisation; data storage; frequency 2.4 GHz; glaucoma treatment; implantable monitors; mixed signal integrated circuits; self contained biomedical implants; subcubic millimeter biomedical implants; wireless telemetry; Biosensors; Cardiac disease; Ferroelectric films; Implants; Micromechanical devices; Mixed analog digital integrated circuits; Nonvolatile memory; Random access memory; Telemetry; Wireless sensor networks;
Conference_Titel :
Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2010 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-6033-5
DOI :
10.1109/ISSCC.2010.5433933
