MAX44000 Maxim, MAX44000 Datasheet - Page 6

• Manufacturer Part Number: MAX44000
• Description: MAX44000 combines a wide-dynamic range ambient light sensor with an integrated infrared proximity sensor, making it a perfect solution for touch-screen portable devices
• Manufacturer: Maxim

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