RPI-246_05 Datasheet, PDF (1/2 Pages) Rohm – Photointerrupter, Small type

RPI-246
Photointerrupter, Small type
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Forward current
IF
50
mA
Reverse voltage
VR
5
V
Power dissipation
PD
80
mW
Collector-emitter voltage
VCEO
30
V
Emitter-collector voltage
VECO
4.5
V
Collector current
IC
30
mA
Collector power dissipation
PC
80
mW
Operating temperature
Topr
−25 to +85
°C
Storage temperature
Tstg
−30 to +85
°C
Applications
Floppy disk drives
Movie equipment
Cameras
Printers
Features
1) Compact package based on the
double-mold.
2) Method High resolution
(slit width = 2.0mm)
3) Gap between emitter and detector
is 2.0mm.
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 Min. Typ. Max. Unit
VF
−
1.3 1.6
V IF=50mA
IR
−
−
10
µA VR=5V
ICEO
−
−
0.5
µA VCE=10V
λP
−
800
−
nm
IC
0.35 −
1.2 mA VCE=5V, IF=20mA
Conditions
−
VCE(sat)
−
−
0.4
V IF=20mA, IC=0.2mA
tr tf
−
10
−
µs VCC=5V, IF=20mA, RL=100Ω
fC
−
1
−
MHz _IF=50mA
λP
− 950
−
nm
∗ Non-coherent Infrared light emitting diode used.
tr tf
−
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
IF=20mA
100
VCE=5V
75
d
50
25
00
0.5
1
1.5
2
2.5
3
DISTANCE : d (mm)
Fig.1 Relative output current vs.
distance ( )
IF=20mA
100
VCE=5V
75
50
25
00
0.5
1
1.5
2
2.5
3
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
80
PD PC
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
0°C
40
25°C
50°C
75°C
30
20
10
0
0
0.4
0.8
1.2
1.6
2.0
FORWARD VOLTAGE : VF (V)
Fig.3 Forward current vs. forward
voltage
VCE=5V
100
IF=20mA
80
60
40
20
0
−25
0
25 50 75 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.6 Relative output vs. ambient
temperature
External dimensions (Unit : mm)
5
Through hole
4
4 - φ0 . 8
Gap ₂
A
A
Cross-section A-A
Optical axis center
C0.5
2-C0.3
φ1 . 5
+0.1
-0
4-0.2
(4)
0.1
(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.
VCE=5V
2.5
Ta=25°C
2.0
1.5
1.0
0.5
0
0
10
20
30
40
50
FORWARD CURRENT : IF (mA)
Fig.7 Collector current vs.
forward current
2.0
IF=50mA
40mA
1.0
30mA
20mA
10mA
00
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
Output
td
tr
90%
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
10
VCE=20V
VCE=10V
1
0.1
−25 0
25 50 75 100
AMBIENT TEMPERATURE : Ta (°C)
Fig.9 Dark current vs.
ambient temperature