E2P0055-37-X3
PHOTO SENSOR UNITS
This version: Jan. 1998
Previous version: May. 1997
OPU817
¡ electronic components
OPU817
Reflector-Type Photo Interrupter
GENERAL DESCRIPTION
The OPU817 is a reflector-type photo interrupter that contains a high-output infrared light
emitting diode and a high-sensitivity phototransistor.
FEATURES
• High output current
• High resolution (capable of reading 0.17 mm bar codes)
• Outstanding durability and high reliability
APPLICATIONS
•
•
•
•
Bar code reader
Photoswitch
Position detector
Paper edge sensor
PIN CONFIGURATION
(Unit: mm)
16.0
12.0min.
2.54
q w
LED
0.45
e
0m
in.
2.
54
r
21.0
12.0
45°
2–M2.5
(valid 4.5)
10.0
Phototransistor
4.0
11.0
20.0
• Pin Connection Diagram
q
r
w
e
1: Anode
2: Cathode
3: Emitter
4: Collector
7.0
19
.
0.
45
1/6
PHOTO SENSOR UNITS
OPU817
ABSOLUTE MAXIMUM RATINGS
Parameter
Foward Current
Input
Pulse Forward Current *1
Reverse Voltage
Power Dissipation
Collector-emitter Voltage
Output
Emitter-collector Voltage
Power Dissipation
Operating Temperature
Storage Temperature
*1 Pulse width tw=100
ms,
cycle T=10 ms
Symbol
I
F
I
FRM
V
R
P
D
V
CEO
V
ECO
P
C
T
opr
T
stg
—
—
Ta=25°C
Test Condition
Rating
100
1
6
200
20
5
150
–20 to +65
–20 to +85
Unit
mA
A
V
mW
V
V
mW
°C
°C
• Wavelength at Peak Emission/Sensilivity
Light source : 910 nm
Photodetector :
800 nm
ELECTRICAL AND OPTICAL CHARACTERISTICS
Parameter
Input
Output
Coupled
Foward Voltage
Reverse Current
Dark Current
Photocurrent
S/N
Photocurrent
Symbol
V
F
I
R
I
D
I
P
—
I
P
Min.
—
—
—
1.5
2.5
5.5
Typ.
1.55
—
—
—
—
—
Max.
2.0
10
100
40
—
120
(Ambient Temperature Ta=25°C)
Unit
V
mA
nA
mA
—
mA
Test Condition
I
F
=100 mA
V
R
=6 V
V
CE
=9 V
*1
*2
*1 I
F
=50 mA, V
CC
=10 V, R
L
=10 kW; distance between paper surface and sensor g=1.0 mm
Facsimile chart 0.17 mm bar code
*2 I
F
=50 mA, V
CC
=10 V, R
L
=10 kW; distance between paper surface and sensor g=1.0 mm
White area of facsimile chart
2/6
PHOTO SENSOR UNITS
OPU817
TYPICAL CHARACTERISTICS
• Output Current vs. Paper Surface-Sensor Spacing (Ta=25°C)
1.0
Relative Output Current
0.8
0.6
0.4
0.2
0
0.5
1.0
1.5
Conditions
I
F
=50 mA
V
CC
=10 V
R
L
=10 kW
Facsimile chart
White area
2.0
2.5
3.0
3.5
4.0
Paper Surface-Sensor Distance g (mm)
• Output Current vs. Paper Surface-Sensor Spacing (Ta=25°C)
White Area
Output Current I
P
(mA)
20
Conditions
I
F
=50 mA
V
CC
=10 V
R
L
=10 kW
Facsimile chart
White area and Black area
10
Black Area
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Paper Surface-Sensor Distance g (mm)
3/6
PHOTO SENSOR UNITS
• Output Current vs. Forward Current (Ta=25°C)
100
OPU817
10
Output Current I
P
(mA)
1.0
0.1
Conditions
V
CC
=10 V
R
L
=10 kW
Distance between paper
surface and sensor g=1.0 mm
White area of facsimile chart
1
10
100
Foward Current I
F
(mA)
• Switching Time vs. Load Resistance (Ta=25°C)
Conditions
I
F
=50 mA
V
CC
=10 V
Pulse width 500
ms
Duty R : 10 %
Distance between paper surface
and sensor g=1.0 mm
t
ON
White area of facsimile chart
Switching Time t
ON
, t
OFF
(ms)
100
t
OFF
Input Pulse
90%
10%
90%
10%
10
t
ON
10
3
Load Resistance R
L
(W)
10
4
t
OFF
Output Pulse
4/6
PHOTO SENSOR UNITS
• Bar Code (0.17mm) Output Current vs. Travel Length (Ta=25°C)
OPU817
20
Output Current I
P
(mA)
15
10
5
Conditions
I
F
=50 mA
V
CC
=10 V
R
L
=10 kW
Distance between paper surface
and sensor g=1.0 mm
Facsimile chart bar code 0.17 mm
0
0.1
0.2
0.3
0.4
0.5
Travel Length L (mm)
• Output Current vs. Bar Code Width (Ta=25°C)
20
White Bar
Output Current I
P
(mA)
15
Conditions
I
F
=50 mA
V
CC
=10 V
R
L
=10 kW
Distance between paper surface
and sensor g=1.0 mm
Facsimile chart bar code
1.0
10
5
Black Bar
0
0.2
0.4
0.6
0.8
Bar Code Width W (mm)
5/6
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