Datasheet MAX30101 (Maxim) - 7

MAX30101 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 GREEN LED SPECTRA AT 30°C
toc10
vs. TEMPERATURE
120 675 toc11 100 LED CURRENT: 670 ) 10mA % 20mA 80 (nm 30mA ER ( TH 665 50mA OW 60 ENG 660 40 ALIZED P AVEL W RM 655 NO 20 PEAK MODE = FLEX LED 0 650 ADC RES = 18 BITS ADC SR = 400 SPS ADC FULL SCALE = 2048nA -20 645 400 450 500 550 600 650 700 -50 0 50 100 150 WAVELENGTH (nm) TEMPERATURE (°C)
IR LED PEAK WAVELENGTH VLED SHUTDOWN CURRENT vs. TEMPERATURE vs. TEMPERATURE
0.14 toc07 910 toc12 LED CURRENT 0.13 ) 10mA 900 20mA (µA) 0.12 (nm 30mA NT 50mA 0.11 890 LENGTH N CURRE 0.10 V AVE W LED = 5.25V W 880 K DO 0.09 PEA 870 SHUT 0.08 VLED = 4.75V V LED 0.07 860 -50 0 50 100 150 0.06 TEMPERATURE (°C) -50 0 50 100 150 TEMPERATURE (°C)
RED LED SPECTRA AT TA = +30°C IR LED SPECTRA AT TA = +30°C
120 toc08 120 toc09 100 100 ) (% 80 (% ER ER 80 OW 60 OW 60 40 ALIZED P ALIZED P RM 40 20 RM NO NO 0 20 -20 0 500 600 700 800 700 800 900 1000 WAVELENGTH (nm) WAVELENGTH (nm) www.maximintegrated.com Maxim Integrated │ 7