Datasheet MAX30102 (Maxim) - 7

MAX30102 High-Sensitivity Pulse Oximeter and Heart-Rate Sensor for Wearable Health
Typical Operating Characteristics (continued)
(VDD = 1.8V, VLED+ = 5.0V, TA = +25°C, RST, unless otherwise noted.)
RED LED PEAK WAVELENGTH IR LED PEAK WAVELENGTH RED LED FORWARD VOLTAGE vs. vs. TEMPERATURE vs. TEMPERATURE FORWARD CURRENT AT TA = +25°C
toc12 675 toc10 910 toc11 60 MODE = FLEX LED LED CURRENT: LED CURRENT ADC RES = 18 BITS 670 10mA 10mA 50 ADC SR = 100 SPS ) 900 20mA 20mA ADC FULL SCALE = 2048nA 30mA 30mA A) TH (nm 665 TH (nm (m 40 G 50mA G 50mA 890 NT EN EN 660 30 AVEL AVEL 880 655 ARD CURRE 20 PEAK W MODE = FLEX LED PEAK W ADC RES = 18 BITS 870 FORW 650 10 ADC SR = 400 SPS ADC FULL SCALE = 2048nA 645 860 0 -50 0 50 100 150 -50 0 50 100 150 1.80 1.90 2.00 2.10 2.20 2.30 TEMPERATURE (°C) TEMPERATURE (deg C) FORWARD VOLTAGE (V)
IR LED FORWARD VOLTAGE vs. AMBIENT LIGHT CANCELLATION PHOTODIODE QUANTUM EFFICIENCY FORWARD CURRENT AT TA = +25°C PASSBAND CHARACTERISTICS vs. WAVELENGTH
toc14 70 toc13 0 1.0 toc 0.9 15 60 -10 0.8 A) 50 -20 0.7 (m ) NT (dB ENCY 40 -30 0.6 FFICI 0.5 30 -40 E UM 0.4 ARD CURRE AGNITUDE M NT 20 -50 0.3 FORW MODE = FLEX LED QUA PW = 69µs 0.2 10 ADC RES = 18 BITS ADC SR = 100 SPS -60 PW = 118µs ADC FULL SCALE = 2048nA PW = 215µs 0.1 0 -70 PW = 411µs 0.0 1.25 1.30 1.35 1.40 1.45 10 100 1000 10000 100000 400 500 600 700 800 900 1000 1100 FORWARD VOLTAGE (V) FREQUENCY (Hz) WAVELENGTH (nm) Maxim Integrated │7 www.maximintegrated.com