Datasheet MAX30102 (Maxim) - 4

ManufacturerMaxim
DescriptionHigh-Sensitivity Pulse Oximeter and Heart-Rate Sensor for Wearable Health
Pages / Page32 / 4 — Electrical Characteristics (continued). PARAMETER. SYMBOL. CONDITIONS. …
File Format / SizePDF / 917 Kb
Document LanguageEnglish

Electrical Characteristics (continued). PARAMETER. SYMBOL. CONDITIONS. MIN. TYP. MAX. UNITS. IR LED CHARACTERISTICS (Note 3)

Electrical Characteristics (continued) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS IR LED CHARACTERISTICS (Note 3)

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MAX30102 High-Sensitivity Pulse Oximeter and Heart-Rate Sensor for Wearable Health
Electrical Characteristics (continued)
(VDD = 1.8V, VLED+ = 5.0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS IR LED CHARACTERISTICS (Note 3)
LED Peak Wavelength λP ILED = 20mA, TA = +25°C 870 880 900 nm Full Width at Half Max Δλ ILED = 20mA, TA = +25°C 30 nm Forward Voltage VF ILED = 20mA, TA = +25°C 1.4 V Radiant Power PO ILED = 20mA, TA = +25°C 6.5 mW
RED LED CHARACTERISTICS (Note 3)
LED Peak Wavelength λP ILED = 20mA, TA = +25°C 650 660 670 nm Full Width at Half Max Δλ ILED = 20mA, TA = +25°C 20 nm Forward Voltage VF ILED = 20mA, TA = +25°C 2.1 V Radiant Power PO ILED = 20mA, TA = +25°C 9.8 mW
PHOTODETECTOR CHARACTERISTICS (Note 3)
Spectral Range of Sensitivity λ (QE > 50%) QE: Quantum Efficiency 600 900 nm Radiant Sensitive Area A 1.36 mm2 Dimensions of Radiant Sensitive mm x Area L x W 1.38 x 0.98 mm
INTERNAL DIE TEMPERATURE SENSOR
Temperature ADC Acquisition Time TT TA = +25°C 29 ms Temperature Sensor Accuracy TA TA = +25°C ±1 °C Temperature Sensor Minimum Range TMIN -40 °C Temperature Sensor Maximum Range TMAX 85 °C
DIGITAL INPUT CHARACTERISTICS: SCL, SDA
Input High Voltage VIH VDD = 2V 0.7 x V V DD Input Low Voltage VIL VDD = 2V 0.3 x V V DD Hysteresis Voltage VH 0.2 V Input Leakage Current IIN VIN = GND or VDD (STATIC) ±0.05 ±1 µA
DIGITAL OUTPUT CHARACTERISTICS: SDA, INT
Ouput Low Voltage VOL ISINK = 6mA 0.2 V www.maximintegrated.com Maxim Integrated │ 4