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A 0.9 V 0.5 /spl mu/W CMOS single-switched-op-amp signal-conditioning system for pacemaker applications

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2 Author(s)
V. S. L. Cheung ; Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., China ; H. C. Luong

A 0.5 /spl mu/W switched-capacitor signal-conditioning system with integrated switched-op-amp filter and /spl Sigma//spl Delta/ modulator is implemented in a 0.35 /spl mu/m CMOS process. A power-efficient single op-amp architecture employing half-delay SC integrators is utilized for the whole system. Operated from a 0.9 V supply, the system has a dynamic range of 45 dB.

Published in:

Solid-State Circuits Conference, 2003. Digest of Technical Papers. ISSCC. 2003 IEEE International

Date of Conference:

13-13 Feb. 2003