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AFE4403: Simultaneous measurement of SPO2 and HRM with AFE4403

user5499232
Prodigy 100 points
Part Number: AFE4403

I have a question about AFE4403.
Depending on the circuit configuration and software
SPO2 (Blood Oxygen Saturation) and HRM (Heart Rate per Minute)
Can you measure at the same time?

If possible, where in the datasheet the circuit configuration is
Please let me know if it is listed.

  • +1
    TI__Expert 5595 points

    Hello, 

    Both the SpO2 and HRM functionality will require reading the received red and IR PPG signals. Therefore, the typical application in section 9.2 of the datasheet will suffice and your software and algorithms will need to process the signals into SpO2 and HRM waveforms. We do not provide algorithmic support. 

    For development of your software, please pay close attention to in Figure 8-6, the Rx Timing Diagram. 

    Kind regards,
    Nick Z