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參數(shù)資料
| 型號： | GP2Y3A003K0F |
| 廠商： | Sharp Corporation |
| 英文描述： | Optoelectronic Device |
| 中文描述： | 光電器件 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 282K |
| 代理商： | GP2Y3A003K0F |
GP2Y3A003K0F
8
Data Sheet
NOTES
Keep the sensor lens clean. Dust, water, oil, and
other contaminants can deteriorate the characteris-
tics of this device. Applications should be designed
to eliminate sources of lens contamination.
W
hen using a protective cover over the emitter
and detector, ensure the cover efficiently transmits
light throughout the wavelength range of the LED
(
λ
=
8
50 nm ± 70 nm). Both sides of the protective
cover should be highly polished. Use of a protective
cover may decrease the effective distance over
which the sensor operates. Ensure that any cover
does not negatively affect the operation over the
intended application range.
Objects in proximity to the sensor may cause reflec-
tions that can affect the operation of the sensor.
Sources of high ambient light (the sun or strong arti-
ficial light) may affect measurement. For best
results, the application should be designed to pre-
vent interference from direct sunlight or artificial light.
Using the sensor with a mirror can induce measure-
ment errors. Often, changing the incident angle on
the mirror can correct this problem.
If a prominent boundary line exists in the surface being
measured, it should be aligned vertically to avoid mea-
surement error. See Figure 5 for further details.
W
hen measuring the distance to objects in motion,
align the sensor so that the motion is in the horizontal
direction instead of vertical. Figure 6 illustrates the
preferred alignment.
A 10 μF (or larger) bypass capacitor between
V
CC
and G
N
D near the sensor is recommended.
To clean the sensor, use a dry cloth. Use of any liq-
uid to clean the device may result in decreased sen-
sitivity or complete failure.
Excessive mechanical stress can damage the
internal sensor or lens.
Figure 5. Proper Alignment to Surface Being Measured
Figure 6. Proper Alignment to Moving Surfaces
GP2Y3A003K0F-1
(AVOID IF POSSIBLE)
(PREFERRED)
GP2Y3A003K0F-2
(AVOID IF POSSIBLE)
(PREFERRED)
DIRECTION
OF MOVEMENT
DIRECTION
OF MOVEMENT
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