User Manual

RPI-222
Sensors
RELATIVE COLLECTOR CURRENT : I
C
(%)
DISTANCE : d (mm)
Fig.7 Relative output current
vs. distance ( ΙΙ )
0.50 1.0 1.5 2.0 2.5
0
20
40
60
80
100
d
t=0.6 mm
RELATIVE TIME : t
r
,t
f
(µs)
COLLECTOR CURRENT : I C (mA)
Fig.8 Response time
vs. output current
1000.1 1 10
1
10
100
1000
Ta=25°C
V
CC =5V
R L =1kΩ
R L =500Ω
R L =100Ω
−20 0 20 40 60 80 100
10
50
40
30
20
0
AMBIENT TEMPERATURE : Ta (°C)
FORWARD CURRENT : I
F
(mA)
Fig.9 Forward current falloff
COLLECTOR CURRENT : I
C
(mA)
COLLECTOR−EMITTER VOLTAGE : V CE (V)
Fig.10 Output characteristics
4861020
0
1.5
3.0
I F =50mA
40mA
30mA
20mA
10mA
td
tr
tf
10%
90%
RL
VCC Input
Input
Output
Output
td : Delay time
tr : Rise time (time for output current to rise
from 10% to 90% of peak current)
tf : Fall time (time for output current to fall
from 90% to 10% of peak current)
Fig.11 Response time mesurement circuit