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This paper describes a mixed-signal ECG System-on-chip (SoC) that is capable of implementing configurable functionality with low-power consumption for portable ECG monitoring applications. A low-voltage and high performance analog front-end extracts 3-channel ECG signals and single channel impedance measurement with high signal quality. A custom digital signal processor provides the configurability and advanced functionality like motion artifact removal and R peak detection. The SoC is implemented in 0.18μm CMOS process and consumes minimum 31.1μW from a 1.2V.
VLSI Circuits (VLSIC), 2011 Symposium on
Date of Conference: 15-17 June 2011