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參數(shù)資料
| 型號(hào)： | TPS816F |
| 廠商： | Toshiba Corporation |
| 英文描述： | LEAD FREE PRODUCT PHOTO-ELECTRIC SWITCHES |
| 中文描述： | 無(wú)鉛產(chǎn)品光電開關(guān) |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大小： | 145K |
| 代理商： | TPS816F |
TPS816(F)
2004-01-27
3
Note 4: The switching time measurement circuit and waveform are as follows:
Note 5: Measurement of permissible external luminance
Measure the luminance limit at which the device operates normally.
The light used is a CIE Standard A light source (a standard tungsten bulb with a color temperature of
2856
°
K).
Handling Precautions
When using the device with an LED, use an infrared LED. Note that light with a wavelength of 800 nm or less
cannot be detected.
Do not use the device in an environment where the external light is 3000 lx or more, as this may prevent the
device from working properly.
At power-on the internal circuit takes about 100
μ
s to stabilize. During this period the output signal is unstable
and may change. Design the circuit so that no signal is output during this period.
The photo-IC has a highly sensitive amp built in. To stabilize the power line, insert a bypass capacitor of up to
0.01
μ
F between V
CC
and GND, close to the device.
If the LED is directly connected to the LED
OUT
pin, excessive current will flow in the LED, severely degrading
the optical output. Be sure to insert a limiting resistor to prevent excessive current flow in the LED.
When forming the leads, bend each lead under the lead stopper. Soldering must be performed after the leads
have been formed.
Soldering must be performed under the stopper.
SW
V
OUT
ON
t
pHL
t
pLH
OFF
V
OH
1.5 V
V
OL
0
μ
F
4
1
2
+
5 V
V
CC
OUT
GND
TPS816(F)
LED
OUT
3
V
OUT
V
in
SW
Infrared LED
(
λ
p
=
940 nm)
Infrared LED
(
λ
p
=
940 nm)
Standard A light source
TPS816(F)
Illuminometer
45
°
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