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IS471F Datasheet(PDF) 2 Page - Sharp Corporation

Part # IS471F
Description  OPIC Light Detector with Built-in Signal Processing Circuit for Light Modulation System
PDF  4 Pages
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Manufacturer  SHARP [Sharp Corporation]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Corporation

IS471F Datasheet(HTML) 2 Page - Sharp Corporation

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IS471F
*5 Defined as Eep that causes the output to go“ Low to High” (or“ High to Low” ).
s Electro-optical Characteristics
( V
CC
= 5V, Ta= 25˚C)
Parameter
Symbol
Conditions
Operating supply voltage
V CC
Supply current
ICC
VO, GL out terminals shall be opened.
Output
V OL
IOL= 16mA, E VP
VD
=0*3
V OH
EVD=EVP =0*3
IOS
EVP =EVD=0*3
IGL
V GL= 1.2V
tp
tW
E ePLH
EeD=0
*3
Light emitting
E ePHL
Hysteresis
E ePLH /E ePHL
Response
time
t PHL
t PLH
*7 External disturbing light illuminance
E VDX
*3 EeP represents illuminance of signal light in sync with the low level timing of output at GLout terminal.
Fig.1
Fig.2
Fig.3
*4 Pulse cycle (t P), pulse width (t W) are defined as shown in Fig. 2.
E eD represents illuminance of DC light. For detail, see Fig. 1.
EVP represents illuminance of signal light in sync with the low level timing of output at GLout terminal.
EVD represents illuminance of DC light. Note that the light source is CIE standard light source A.
shown in Fig. 3
(Note ) Fig. 1 shows the output waveform at GL out
Fig. 3.
0
Time
Output waveform
Ee
EeD
EeP
at GL out terminal
5V
0V
IS471F
GND
280
Ω
5V
0.33
µF
tW
tP
VCC
VO
GLout
Light source: Infrared light emitting diode (
λ p= 940nm )
GL
output
MIN.
TYP.
MAX.
Unit
4.5
-
16
V
-
-
-
-
3.5
7.0
mA
-
0.15
0.35
V
4.97
-
-
V
0.25
0.5
1.0
mA
40
55
70
mA
70
130
220
µ s
4.4
8
13.7
µ s
-
0.4
2.66
-
0.7
2.8
0.45
0.65
0.95
-
-
400
670
µ s
-
400
670
µ s
2000
7500
-
Low level output voltage
High level output voltage
Output short circuit current
Low level output current
diode (
λ p= 940nm )*6
µ W/mm2
µ W/mm2
terminal with IS471F connected as shown in
The waveform shown in Fig. 2 is the output voltage waveform at GLout terminal with IS471F connected as
*5 “ Low
→High ” threshold irradiance
*5 “ High
→Low ” threshold irradiance
Eep= 7.5
µ W/mm 2, *3λ p= 940nm
*4Pulse cycle
*4Pulse width
*6
*6
“ High
→Low”
propagation delay time
“ Low
→High”
propagation dealy time
1
2
4
3
= 500lx, E
lx



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