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PDF IS474 Data sheet ( Hoja de datos )
| Número de pieza | IS474 | |
| Descripción | Linear Output Type OPIC Light Detector | |
| Fabricantes | Sharp Electrionic Components | |
| Logotipo |  |
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IS474
Linear Output Type OPIC
Light Detector
IS474
s Features
1. Linear output conforming to illuminance
(50 lx to 50000 lx)
2. Conforming to required visual sensitivity characteristics
by means of built-in filter
Peak sensitivity wavelength : TYP. 550 nm
3. Not dependent on kind of light source such as
incandescent lamp and fluorescent lamp
4. Easy-to-mount holder-integral side view type
s Applications
1. TV sets
2. CRTs of personal computers and others
s Outline Dimensions
9.0
6.0 Detector center
2.4
0.28 Production country
(Unit : mm)
4.5
Type number
JAPAN
2.0
2-0.5
2-1.0
1234
PPP
1.0
2.0
2.75
1.5
4-0.4
+
-
0.2
0.1
θθ
2.54
* Unspecified tolerance : ± 0.2
* ( ) : Reference dimensions
* Lead pitch (P) : 1.27 (at lead root)
* Lead deflection angle θ : ± 10˚ MAX.
Internal connection diagram
Photodiode A
Constant voltage circuit
1
Photodiode B
Current amp.
1 Vcc 2 Io
3 GND 4 NC
2
3
* OPIC (Optical IC) is a trademark of SHARP corporation. An OPIC consists of
a light-detecting element and signal-processing circuit integrated onto a single chip.
s Absolute Maximum Ratings
(Ta=25˚C)
Parameter
Supply voltage
Output current
Output voltage
Power dissipation
Operating temperature
Storage temperature
*1 Soldering temperature
Symbol
V CC
IO
VO
P
T opr
T stg
T sol
Rating
- 0.5 to 8
-10
- 0.5 to VCC
150
- 25 to + 85
- 40 to + 85
260
Unit
V
mA
V
mW
˚C
˚C
˚C
*1 For MAX. 3 seconds at the position shown in the right drawing
Soldering area
“ In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs,
data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.”
1 page  
IS474
Fig. 11 Radiation Diagram (Right/Left Direction)
- 20˚ - 10˚ 0
+ 10˚ + 20˚
100 Vcc = 5V
Ta = 25˚C
- 30˚ 80 +30˚
Fig. 12 Radiation Diagram (Top/Bottom Direction)
- 20˚ -10˚ 0
+10˚ +20˚
- 30˚
100 Vcc = 5V
Ta = 25˚C
+30˚
80
- 40˚
60 +40˚
- 40˚
60
- 50˚ 40
- 60˚
- 70˚ 20
- 80˚
- 90˚
0
Angular displacement θ
+50˚
+60˚
+70˚
+80˚
+90˚
- 50˚
40
- 60˚
- 70˚ 20
- 80˚
- 90˚ 0
Angular displacement θ
s Precautions for Operation
(1) It is recommended to connect a capacitor between VCC and GND near the device in order to stabilize power supply line
+40˚
+50˚
+60˚
+70˚
+80˚
+90˚
L
Device
Vcc
C
L<= 20 mm
C >= 0.01µ F
2 pieces of photodiodes are built in this device to amplify difference in collector current between them.
Radiation of even light to 2 pieces of photodiodes is recommended.
Radiation of uneven light may cause change of spectral sensitivity or starting failure of the circuit after power is supplied.
(2) Cleaning
• Conduct cleaning as follows.
Solvent dip cleaning : Solvent temperature of 45˚C max., dipping time : Within 3 minutes
Ultrasonic cleaning : Elements are affected differently depending on the size of cleaning bath, ultrasonic output, time, size of PWB and mounting
method of elements. Conduct trial cleaning on actual operating conditions in advance to make sure that no problem results.
• Use following solvents only.
Solvents : Ethyl alcohol, methyl alcohol and isopropyl alcohol
(3) Soldering
Be sure to perform soldering at values within the maximum ratings. Take care so that not external force is applied to
the lead during and immediately after soldering. Do not perform reflow soldering.
q Please refer to the chapter "Precautions for Use". (Page 78 to 93)
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet IS474.PDF ] | |
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