RP-SMA Datasheet, PDF (1/2 Pages) Rohm – Photointerrupter, Ultraminiature type

RPI-124
Photointerrupter, Ultraminiature 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
−30 to +100
°C
Applications
Optical control equipment
Cameras
Floppy disk drives
Features
1) Ultra-small.
2) High-precision position detection
(slit width = 0.15mm).
3) Minimal influence from stray light.
4) 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
IC
Min.
−
−
−
−
0.3
VCE(sat)
−
tr tf
−
fC
−
λP
−
tr tf
−
Typ. Max. Unit
1.3 1.6
V IF=50mA
−
10
µA VR=5V
−
0.5 µA VCE=10V
800
−
nm
−
1.5 mA VCE=5V, IF=20mA
Conditions
−
−
0.3
V IF=20mA, IC=0.15mA
10
−
µs VCC=5V, IF=20mA, RL=100Ω
1
−
MHz _IF=50mA
950
−
nm
∗ Non-coherent Infrared light emitting diode used.
10
−
µs
VCC=5V, IC=1mA, RL=100Ω
∗ This product is not designed to be protected against electromagnetic wave.
Maximum sensitivity wavelength λP
−
800
−
nm
−
Electrical and optical characteristics curves
125
100
d
75
50
25
00
1
2
3
4
5
DISTANCE : d (mm)
Fig.1 Relative output current vs.
distance ( )
125
100
75
50
25
0
0
1
2
3
4
5
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
100
80
PD
PC
60
40
20
0
−25
0
25
50
75 85 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.5 Power dissipation / collector power
dissipation vs. ambient temperature
50
−25°C
0°C
40
25°C
50°C
30
75°C
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 (bottom)
Through hole
3
4-φ 0.8
3.9
Gap 1
A
Optical axis center
Cross-section A-A
0.15± 0.1
C0.7
Max.0.3
A
2-R0.3
4-0.2
(3)
4-0.5
4-0.4
(2)
Anode
Collector
Cathode
Emitter
Notes:
1. Unspecified tolerance
shall be ±0.2 .
2. Dimension in parenthesis are
show for reference.
5
VCE=5V
4
3
2
1
0
0
10
20
30
40
50
FORWARD CURRENT : IF (mA)
Fig.7 Collector current vs.
forward current
2.5
IF=50mA
2
40mA
1.5
30mA
20mA
1
10mA
0.5
0
0
2
4
6
8
10
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.10 Output characteristics
100
RL=1kΩ
10
RL=500Ω
RL=100Ω
1
0.05 0.1
1
10
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
VCE=30V
VCE=20V
10
VCE=10V
1
0.1
−25
0
25 50 75 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.9 Dark current vs.
ambient temperature