MAX30101 High-Sensitivity Pulse Oximeter and Heart-Rate Sensor for Wearable Health Pin Configuration N.C. 1 14 N.C. SENSOR SCL 2 13 INT SDA 3 12 GND PGND 4 11 VDD MAX30101 N.C. 5 10 VLED+ N.C. 6 9 VLED+ N.C. 7 LED 8 N.C. Pin DescriptionPINNAMEFUNCTION 1, 5, 6, 7, 8, 14 N.C. No Connection. Connect to PCB pad for mechanical stability. 2 SCL I2C Clock Input 3 SDA I2C Clock Data, Bidirectional (Open-Drain) 4 PGND Power Ground of the LED Driver Blocks 9 VLED+ LED Power Supply (anode connection). Use a bypass capacitor to PGND for best performance. 10 VLED+ 11 VDD Analog Power Supply Input. Use a bypass capacitor to GND for best performance. 12 GND Analog Ground 13 INT Active-Low Interrupt (Open-Drain). Connect to an external voltage with a pullup resistor. www.maximintegrated.com Maxim Integrated │ 9
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