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In this paper, a low power and low noise eight-channel analog front-end (AFE) IC for portable brain-heart monitoring applications is presented. The developed IC features a fully integrated eight-channel design which includes one channel for diffuse optical tomography (DOT), three channels for electrocardiography (ECG), and four channels for electroencephalography (EEG). In order to achieve the targets...
We report an area-efficient 8 bit SAR ADC using dual capacitor array banks for brain signal interface microsystems. The proposed ADC consumes 680 nW and the total chip area is 0.035 mm2. We reduced the area and power by a factor of eight when compared with conventional approaches. If we increase the resolution, the area and power reduction factor exponentially increases in our architecture (e.g.,...
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