RPI-131 Просмотр технического описания (PDF) - ROHM Semiconductor
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RPI-131 Datasheet PDF : 2 Pages
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RPI-131
Photointerrupter, Small type
Absolute maximum ratings (Ta=25°C)
Parameter
Forward current
Reverse voltage
Power dissipation
Collector-emitter voltage
Emitter-collector voltage
Collector current
Collector power dissipation
Operating temperature
Storage temperature
Symbol
Limits
Unit
IF
50
mA
VR
5
V
PD
80
mW
VCEO
30
V
VECO
4.5
V
IC
30
mA
PC
80
mW
Topr
−25 to +85
°C
Tstg
−40 to +100
°C
Applications
Optical control equipment
Cameras
Floppy disk drives
Features
1) Ultra-small.
2) Minimal influence from stray light.
3) Low collector-emitter saturation voltage.
Electrical and optical characteristics (Ta=25°C)
Parameter
Forward voltage
Reverse current
Dark current
Peak sensitivity wavelength
Collector current
Collector-emitter saturation
voltage
Response time
Cut-off frequency
Peak light emitting wavelength
Response time
Symbol
VF
IR
ICEO
λP
IC1
IC2
VCE(sat)
tr tf
fC
λP
tr tf
Maximum sensitivity wavelength
λP
Min.
−
−
−
−
0.7
0.2
−
−
−
−
−
−
Typ.
1.3
−
−
800
−
−
−
10
1
950
10
800
Max.
1.6
10
0.5
−
−
−
0.3
−
−
−
−
−
Unit
V IF=50mA
µA VR=5V
µA VCE=10V
nm
mA VCE=5V, IF=20mA
mA VCE=5V, IF=5mA
Conditions
−
V IF=20mA, IC=0.3mA
µs
MHz
nm
µs
VCC=5V, IF=20mA, RL=100Ω
IF=50mA
∗ Non-coherent Infrared light emitting diode used.
VCC=5V, IC=1mA, RL=100Ω
∗ This product is not designed to be protected against electromagnetic wave.
nm
−
Electrical and optical characteristics curves
100
80
d
60
40
20
0
0
1
2
3
4
5
6
DISTANCE : d (mm)
Fig.1 Relative output current vs.
distance ( )
120
100
80
60
40
20
0
0
0.5
1
1.5
2
DISTANCE : d (mm)
Fig.4 Relative output current vs.
distance ( )
50
40
30
20
10
0
−20 0 20 40 60 80 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.2 Forward current falloff
120
100
PD PC
80
60
40
20
0 −20
0 20 40 60 80 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.5 Power dissipation / collector power
dissipation vs. ambient temperature
50
−25°C
75°C
25°C
40
50°C
75°C
30
20
10
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
FORWARD VOLTAGE : VF (V)
Fig.3 Forward current vs. forward
voltage
160
140
120
100
80
60
40
20
0
−40 −20 0 20 40 60 80 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.6 Relative output vs. ambient
temperature
External dimensions (Unit : mm)
4.2
Through hole
3.2
4-φ 0.8
Gap 1.2
A
Cross-section A-A
0.4
Optical axis center
C0.5
A
(3.2)
4-0.2
φ 1.5
+0.1
-0
(2.5)
4-0.5
Anode
Collector
Cathode
Emitter
Notes:
1. Unspecified tolerance
shall be ±0.2 .
2. Dimension in parenthesis are
show for reference.
5
4
3
2
1
0
0
10
20
30
40
50
FORWARD CURRENT : IF (mA)
Fig.7 Collector current vs.
forward current
4
IF=25mA
3
20mA
15mA
2
1
10mA
5mA
0
0
2
4
6
8
10
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.10 Output characteristics
1000
Ta=25°C
VCC=5V
100
RL=1kΩ
RL=500Ω
10
RL=100Ω
1
0.1
1
10
100
COLLECTOR CURRENT : Ic (mA)
Fig.8 Response time vs.
collector current
Input VCC
Input
Output
RL
90%
Output
td
tr
10%
tf
td : Delay time
t r : Rise time (time for output current to rise from
10% to 90% of peak current)
t f : Fall time (time for output current to fall from 90%
to 10% of peak current)
Fig.11 Response time measurement circuit
1000
100
10
VR=10V
VR=20V
VR=30V
1
0.1
−25
0
25 50 75 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.9 Dark current vs.
ambient temperature
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