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参数资料
| 型号： | ISL29021IROZ-EVALZ |
| 厂商： | Intersil |
| 文件页数： | 10/12页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR ISL29021IROZ |
| 标准包装： | 1 |
| 系列： | * |
ISL29021
Typical Performance Curves
1.2
SUN
V SUP (V DDD , V DDA ) = 3V, R EXT = 499k Ω
1.2
1.0
INCANDESCENT
1.0
0.8
HALOGEN
0.8
IR AND
PROXIMITY
SENSING
0.6
0.6
0.4
0.2
FLUORESCENT
0.4
0.2
0
0
300
400
500
600 700 800
900
1000
1100
-0.2
300
400
500
600 700 800
900
1000
1100
WAVELENGTH (nm)
FIGURE 5. SPECTRUM OF FOUR LIGHT SOURCES
RADIATION PATTERN
WAVELENGTH (nm)
FIGURE 6. SPECTRAL RESPONSE FOR PROXIMITY
SENSING
10000
LUMINOSITY
30?
20?
10?
0?
10?
20?
30?
1000
92% BRIGHTNESS PAPER
ANGLE 40?
50?
40?
50?
100
18% GRAY CARD
60?
60?
70?
80?
70?
80?
10
ESD BLACK FOAM
90?
0.2 0.4 0.6 0.8
RELATIVE SENSITIVITY
90?
1.0
1
0
20
40 60
DISTANCE (mm)
80
100
4500
FIGURE 7. RADIATION PATTERN
FIGURE 8. ADC OUTPUT vs DISTANCE WITH DIFFERENT
OBJECTS IN PROXIMITY SENSING
350
12-BIT ADC
4000
300
RANGE 3
3500
3000
2500
2000
I IRLED = 100mA
I IRLED = 50mA
I IRLED = 25mA
I IRLED = 12.5mA
250
200
150
PIG'S SKIN
18% GRAY
fLED = 328kHz
ILED = 12.5mA
4mm CENTER-TO-CENTER
FOR ISL29021 AND SFH4650,
ISOLATED BY BARRIER
AND BEHIND A 65%
IR TRANSMITTING GLASS
1500
100
130 CTS = 500 CTS x 65% x 65%
= 211 CTS
1000
500
50
BLOND HAIR
BRUNETTE HAIR
0
0
10
20
30
40
50
60
70
80
90
0
0
10
20 30 40
50
60
DISTANCE (mm)
FIGURE 9. ADC OUTPUT vs DISTANCE WITH DIFFERENT
LED CURRENT AMPLITUDES IN PROXIMITY
SENSING
10
DISTANCE (mm)
FIGURE 10. PROXIMITY DETECTIONS OF VARIOUS
BIOLOGICAL OBJECTS
FN6732.0
March 3, 2009
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