Data Sheet

(V
DD
= 1.8V, V
LED+
= 5.0V, T
A
= +25°C, unless otherwise noted.)
0
10
20
30
40
50
60
0 1 2 3 4 5
IR LED CURRENT (mA)
V
LED
VOLTAGE (V)
IR LED SUPPLY HEADROOM
toc02
I
LED
= 50mA
I
LED
= 20mA
0
10
20
30
40
50
60
0 1 2 3 4 5
GREEN LED CURRENT (mA)
V
LED
VOLTAGE (V)
GREEN LED SUPPLY HEADROOM
toc03
I
LED
= 50mA
I
LED
= 20mA
V
LED
= V
X_DRV
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0 0.5 1 1.5 2 2.5
SUPPLY CURRENT (mA)
SUPPLY VOLTAGE (V)
V
DD
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
toc04
SHUTDOWN
MODE
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
50000
0 5 10 15 20
COUNTS (SUM)
DISTANCE (mm)
DC COUNTS vs. DISTANCE FOR
WHITE HIGH IMPACT STYRENE CARD
toc05
GREEN
IR
MODE = SPO2 and HR
ADC RES = 18 BITs
ADC SR = 100 SPS
ADC FULL SCALE = 16384nA
DC COUNTS vs. DISTANCE FOR
WHITE HIGH IMPACT STYRENE CARD
RED
MODE = LED
ADC RES = 18 BITs
ADC SR = 100 SPS
ADC FULL SCALE = 16384nA
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
-50 0 50 100 150
V
DD
SHUTDOWN CURRENT (µA)
TEMPERATURE (°C)
V
DD
SHUTDOWN CURRENT
vs. TEMPERATURE
toc06
V
DD
2.2V
2.0V
1.8V
1.7V
0
10
20
30
40
50
60
0 1 2 3 4 5
RED LED CURRENT (mA)
V
LED
VOLTAGE (V)
RED LED SUPPLY HEADROOM
toc01
I
LED
= 50mA
I
LED
= 20mA
-20
0
20
40
60
80
100
120
500 600 700 800
NORMALIZED POWER (%)
WAVELENGTH (nm)
RED LED SPECTRA AT T
A
= +30°C
toc08
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
0.14
-50 0 50 100 150
V
LED
SHUTDOWN CURRENT (µA)
TEMPERATURE (°C)
V
LED
SHUTDOWN CURRENT
vs. TEMPERATURE
V
LED
= 4.75V
toc07
V
LED
= 5.25V
0
20
40
60
80
100
120
700 800 900 1000
NORMALIZED POWER (%)
WAVELENGTH (nm)
IR LED SPECTRA AT T
A
= +30°C
toc09
Maxim Integrated │ 6
www.maximintegrated.com
MAX30105 High-Sensitivity Optical Sensor
for Smoke Detection Applications
Typical Operating Characteristics