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A reconfigurable medically cohesive biomedical front-end with ΣΔ ADC in 0.18μm CMOSPublished in Institute of Electrical and Electronics Engineers Inc.
2015
PMID: 26736391
Volume: 2015-November
Pages: 833 - 836
This paper presents a generic programmable analog front-end (AFE) for acquisition and digitization of various biopotential signals. This includes a lead-off detection circuit, an ultra-low current capacitively coupled signal conditioning stage with programmable gain and bandwidth, a new mixed signal automatic gain control (AGC) mechanism and a medically cohesive reconfigurable ΣΔ ADC. The full system is designed in UMC 0.18μm 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 ∼11 bits with 5μW power consumption. The system was successfully verified for various ECG signals from PTB database. This system is intended for portable batteryless u-Healthcare devices. © 2015 IEEE.
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About the journal
| Journal | Data powered by TypesetProceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS |
|---|---|
| Publisher | Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc. |
| ISSN | 1557170X |
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Ashudeb Dutta- 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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- A reconfigurable medically cohesive biomedical front-end with ΣΔ ADC in 0.18μm CMOS
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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