Abstract
This article introduces a 16-bit successive approximation register (SAR) analog-to-digital converter (ADC) with analog front-end and optical front-end circuit to detect biomedical signal for electroencephalography (EEG) applications. The proposed integrated design is 16-bit SAR ADC that achieves exceptional performance while consuming very low consumption and high dynamic range (DR) in parallel two pairs of 8-bit SAR ADC with SC low-pass filter. The dynamic comparator contains an asynchronous control sampling switches between high and low potential to internally proposed the timing source to optimizing dissipation of half comparator and digital circuit. The average switching energy and total capacitance are reduced.
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