Need Clinical-Grade PPG from Your Wearable? Sometimes It Pays NOT to Shine a Light on a Problem
A key challenge for designers is how to make high quality heart rate and blood oxygen saturation measurements in a way that doesn’t place a heavy drain on the battery of the device. In this design solution, we show why the conventional approach to optical readings wastes power before presenting a sensor IC that uses a novel architecture to substantially reduce power consumption while making clinical-grade measurements.
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