The operation of the ams AS7038RB is based on photoplethysmography (PPG) and electrocardiogram (ECG). PPG is the most used HRM method, which measures pulse rate by sampling light modulated by the blood vessels, which expand and contract as blood pulses through them. PPG is also used to measure blood oxygen saturation (SpO2). ECG is the reference for any measurement of the biopotential generated by the heart. Embedded ECG analog front end satisfies IEC 60601-2-47 requirements.
The solution includes LED drivers, photo-sensor, analog front-end (AFE), sequencer, and application software. In addition, the device also enables skin temperature and skin resistivity measurements by providing interfaces to external sensors.
Read more: AS7038RB BIOSENSOR SOLUTION WITH EMBEDDED ECG CHANNEL
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