Typical operating characteristics (continued) – Rainbow Electronics MAX44000 User Manual
Page 6
6 ______________________________________________________________________________________
MAX44000
Ambient and Infrared Proximity Sensor
Typical Operating Characteristics (continued)
(V
DD
= 1.8V, T
MIN
– T
MAX
= -40°C to +85°C, unless otherwise noted. All devices are 100% production tested at T
A
= +25°C.
Temperature limits are guaranteed by design.)
LUX
10k
1000
100
10
1
100k
SUPPLY CURRENT vs. LUX
MAX44000 toc07
30
0
SUPPLY CURRENT (µA)
5
10
15
20
25
STANDARD AMBIENT MODE
SUPPLY CURRENT vs. TIME
MAX44000 toc08
100µs/div
I
DRV
50mA/div
I
DD
200µA/div
AMBIENT +
PROXIMITY MODE
OUTPUT LOW VOLTAGE
vs. SINK CURRENT
SINK CURRENT (mA)
OUTPUT LOW VOLTAGE (V)
20
10
5
15
20
40
60
80
100
120
140
160
180
0
MAX44000 toc09
THE DATA WAS TAKEN ON
THE INTERRUPT PIN
IR LED CURRENT vs. OUTPUT DRIVE
VOLTAGE, I
DRV
vs. V
DRV
MAX44000 toc10
V
DRV
(V)
I
DRV
(mA)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
20
40
60
80
100
120
0
1.0
110mA I
DRV
SETTING
50mA I
DRV
SETTING
10mA I
DRV
SETTING
TOTAL CURRENT CONSUMPTION
INCLUDING IR LED CURRENT
vs. IR LED CURRENT LEVEL
MAX44000 toc11
IR LED LEVEL (mA)
TOTAL CURRENT (uA)
100
80
60
40
20
10
20
30
40
50
60
70
0
120
I
TOTAL
= I
DD
+ I
IR_LED
AMBIENT + PROXIMITY MODE
100ms INTEGRATION TIME
I
TOTAL
I
DD