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2 years ago.
MAXREFDES100_APPS_A Schematic vs. MAX30003 Pin Definitions
The MAXREFDES100_APPS_A Schematic associated wit the MAX32620HSP shows components/circuitry and function definitions for Pins 1,2,4,5,24 &26 of the MAX30003 IC.
But the data sheet for the IC says:
1, 2, 4, 5, 24, 26 Internally Connected. Connect to AGND.
Furthermore, the instructions for the MAXREFDES100# found here https://www.maximintegrated.com/en/design/reference-design-center/system-board/6312.html/tb_tab1 say:
For users who want to connect the ECG cables for measurement, remove R6, R21, R44, and R45 on the sensor board. Solder ECG cables on ECGP and ECGN pads on the sensor board.
Those resistors are associated with pins 1,2,4,5 of the MAX30003.
Can someone please clarify this?
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