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A 2μW biomedical frontend with ΣΔ ADC for self-powered U-healthcare devices in 0.18μm CMOS technologyPublished in Institute of Electrical and Electronics Engineers Inc.
2015
This paper presents an ultra-low power analog front end (AFE) with ΣΔ modulator ADC meant for acquisition of biopotential signals. The system consists of a signal conditioning stage with programmable gain and bandwidth, a mixed signal automatic gain control (AGC), and a ΣΔ ADC. The full system is designed in UMC 18μm CMOS. The AFE achieves an overall linearity of more 10 bits with 0.47μW power consumption. The ADC provides 2nd order noise shaping while using single integrator and an ENOB of ∼12 bits with 1.4μW power consumption. The system was successfully tested for a ECG signal from PTB database. © 2015 IEEE.
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About the journal
| Journal | Data powered by TypesetConference Proceedings - 13th IEEE International NEW Circuits and Systems Conference, NEWCAS 2015 |
|---|---|
| Publisher | Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc. |
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Shiv Govind Singh- A 2μW biomedical frontend with ΣΔ ADC for self-powered U-healthcare devices in 0.18μm CMOS technology
- A reconfigurable medically cohesive biomedical front-end with ΣΔ ADC in 0.18μm CMOS
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