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NOA1312 Datasheet, PDF (5/16 Pages) ON Semiconductor – High-Precision Ambient Light Sensor | |||
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NOA1312
TYPICAL CHARACTERISTICS
100
90
5000 K Fluorescent
80
70
60
5600 K White LED
50
40
2700 K Fluorescent
30
20 Human Eye
ALS
10
2850 K Incandescent
0
200 300 400 500 600 700 800 900 1000
0
0.5
1.0
1.5
2.0
WAVELENGTH (nm)
RATIO
Figure 4. Spectral Response (Normalized)
100 k
1000
Figure 5. Light Source Dependency
(Normalized to Fluorescent Light,
Tint = 200 ms)
900
10 k
800
1k
700
600
100
Trim to 520 Counts at 100 lux
500
400
10
300
1
0.1
1
200
10
100
1k
10 k
0
50
100
150
200
250
Ev (lux)
TRIM CODES
Figure 6. Output Counts vs. Ev, 0â2000 lux
(Tint = 200 ms)
Figure 7. Output Counts and Trim Codes
(100 lux, VDD = 3.0 V, Tint = 200 ms)
â10
â20 100
0
â30
90
â40
80
â50
70
60
â60
50
â70
40
30
â80
20
10
â90
0
10 20
30
40
50
60
70
80
90
â10
â20 100
0
â30
90
â40
80
â50
70
60
â60
50
â70
40
30
â80
20
10
â90
0
10 20
30
40
50
60
70
80
90
â100
â110
100
Q
110
â100
â110
100
Q
110
â120
120 END VIEW â120
120 SIDE VIEW
â130
130 â90° 1
6 90° â130
130
654
â140
140
â150
â160â170
180
170
150
160
25
34
TOP VIEW
â140
140
â150
150
â160â170 180 170 160
â90°
90°
123
TOP VIEW
Figure 8. Output Counts vs. Angle
(End View, Normalized)
Figure 9. Output Counts vs. Angle
(Side View, Normalized)
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