ISL76671 Datasheet, PDF (6/9 Pages) Intersil Corporation – Low Power, <100 Lux Optimized, Analog Output Ambient Light Sensor

ISL76671
Typical Performance Curves V_DD = 3V, T_A = +25°C, R_EXT = 100kΩ, no load at V_OUT, green LED light, unless
otherwise specified.
16.95
50 LUX
23.50
100 LUX
16.90
23.45
16.85
23.40
16.80
23.35
16.75
23.30
16.70
23.25
16.65
1.8
2.0 2.2 2.4 2.6 2.8
SUPPLY VOLTAGE (V)
3.0 3.2
FIGURE 14. SUPPLY CURRENT vs SUPPLY VOLTAGE
23.20
2.2
2.4
2.6
2.8
3.0
3.2
SUPPLY VOLTAGE (V)
FIGURE 15. SUPPLY CURRENT vs SUPPLY VOLTAGE
1.10
1.05
10 LUX
1.00
15000LLUUXX
0.95
0.90
50 LUX
0.85
-60 -40 -20 0
20 40 60 80 100 120
TEMPERATURE (° C )
FIGURE 16. NORMALIZED OUTPUT VOLTAGE vs TEMPERATURE
30
25
20
100 LUX
15
10 LUX
10
50 LUX
5
0
-60 -40 -20 0
20 40 60
TEMPERATURE (°C)
80 100 120
FIGURE 17. SUPPLY CURRENT vs TEMPERATURE
FREQUENCY = 100Hz
ISL76671 OUTPUT (V)
FREQUENCY = 100Hz
LIGHT SOURCE
ISL76671 OUTPUT (V)
100µs/DIV
FIGURE 18. DELAY TIME vs LUX CHANGE FROM 0 LUX
LIGHT SOURCE
100µs/DIV
FIGURE 19. DELAY TIME vs LUX CHANGE TO 0 LUX
6
FN7716.1
December 12, 2011