Datasheet MAX30101 (Maxim) - 6

MAX30101 High-Sensitivity Pulse Oximeter and Heart-Rate Sensor for Wearable Health
Typical Operating Characteristics
(VDD = 1.8V, VLED+ = 5.0V, TA = +25°C, RST, unless otherwise noted.)
RED LED SUPPLY HEADROOM IR LED SUPPLY HEADROOM
60 toc01 60 toc02 ILED = 50mA I 50 50 LED = 50mA A) A) (m (m NT 40 NT 40 CURRE CURRE 30 30 ED ED ILED = 20mA D L ILED = 20mA IR L RE 20 20 10 10 0 0 0 1 2 3 4 5 0 1 2 3 4 5 VLED VOLTAGE (V) VLED VOLTAGE (V)
V GREEN LED SUPPLY HEADROOM DD SUPPLY CURRENT vs. SUPPLY VOLTAGE
60 toc03 1.0 toc04 VLED= VX_DRV ILED= 50mA 0.9 50 A) A) 0.8 (m (m NT 0.7 40 NT 0.6 30 0.5 LED CURRE PLY CURRE 0.4 EN ILED = 20mA 20 SUP 0.3 GRE 0.2 SHUTDOWN 10 MODE 0.1 0 0.0 0 1 2 3 4 5 0 0.5 1 1.5 2 2.5 VLED VOLTAGE (V) SUPPLY VOLTAGE (V)
DC COUNTS vs v .s DISTANCE FOR V WHITE HI E GH IMPACT P ST S YRENE RE CARD DD SHUTDOWN CURRENT vs. TEMPERATURE
toc06 50000 toc05 7.0 MO M DE D = S E = LPO ED2 and HR V 45000 ADC AD C RES = R ES = 18 BITs DD 6.0 2.2V 40000 ADC AD SR C = SR 1 = 00 SPS 2.0V ADC D C FU F LL S U CA C LE = = 16384nA (µA) 1.8V 35000 5.0 ) NT 1.7V UM 30000 (S 4.0 S 25000 N CURRE UNT W 20000 3.0 CO RED IR DO 15000 2.0 SHUT 10000 V DD 1.0 5000 GREEN 0 0.0 0 5 10 15 20 -50 0 50 100 150 DISTANCE (mm) TEMPERATURE (°C) www.maximintegrated.com Maxim Integrated │ 6