?/DIV>
Slotted Optical Switch
OPB120A, OPB120B, OPB121A, OPB121B
OPB122A, OPB122B, OPB123A, OPB123B
OPTEK Technology Inc. 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747      FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Issue B 08/2011
Page 3 of 5
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Notes:
(1)   Normal application would be with light source blocked, simulated by I
F
= 00.
Electrical Characteristics (T
A
= 40癈 to + 70?unless otherwise noted)
SYMBOL
PARAMETER
MIN   TYP    MAX    UNITS
TEST CONDITIONS
Input Diode (see OP240 for additional information)
V
F
Forward Voltage
-
-
1.7
V
I
F
= 20 mA, T
A
= 25?C
I
R
Reverse Current
-
-
100
礎     V
R
= 2 V, T
A
= 25?C
Output Photologic?Sensor (see OPL560 for additional information)
V
CC
Operating D.C. Supply Voltage
4.75
-
5.25
V
I
CCL
Low Level Supply Current:
Buffered Totem-Pole Output
Buffered Open-Collector Output
-
-
15
mA     V
CC
= 5.25 V, I
F
= 0 mA
(1)
Inverted Totem-Pole Output
Inverted Open-Collector Output
-
-
15
mA     V
CC
= 5.25 V, I
F
= 20 mA
I
CCH
High Level Supply Current:
Buffered Totem-Pole Output
Buffered Open-Collector Output
-
-
15
mA     V
CC
= 5.25 V, I
F
= 20 mA
Inverted Totem-Pole Output
Inverted Open-Collector Output
-
-
15
mA     V
CC
= 5.25 V, I
F
= 0 mA
(1)
V
OL
Low Level Output Voltage:
Buffered Totem-Pole Output
Buffered Open-Collector Output
-
-
0.4
V
V
CC
= 4.75 V, I
OL
= 12.8 mA, I
F
= 0 mA
(1)
Inverted Totem-Pole Output
Inverted Open-Collector Output
-
-
0.4
V
V
CC
= 4.75 V, I
OL
= 12.8 mA, I
F
= 20 mA
V
OH
High Level Output Voltage:
Buffered Totem-Pole Output
2.4
-
-
V
V
CC
= 4.75 V, I
OH
= -800 礎, I
F
= 20 mA
Inverted Totem-Pole Output
2.4
-
-
V
V
CC
= 4.75 V, I
OH
= -800 礎, I
F
= 0 mA
(1)
I
OH
High Level Output Voltage:
Buffered Open-Collector Output
-
-
100
礎
V
CC
= 4.75 V, V
OH
= 30 V, I
F
= 25 mA,
T
A
= 25?C
Inverted Open-Collector Output
-
-
100
礎
V
CC
= 4.75 V, V
OH
= 30 V, I
F
= 0 mA,
T
A
= 25?C
I
F
(+)     LED Positive-Going Threshold Current
-
-
15
mA     V
CC
= 5 V, T
A
= 25?C
I
F
(+)/I
F
(-) Hysteresis
-
2
-
-
V
CC
= 5 V
I
OS
Short Circuit Output Current:
Buffered Totem-Pole Output
-20
-
-100
mA
V
CC
= 5.25 V, I
F
= 20 mA
(2)
Output = GND
Inverted Totem-Pole Output
-20
-
-100
mA
V
CC
= 5.25 V, I
F
= 0 mA
(2)
Output = GND
t
r
, t
f
Output Rise Time, Output Fall Time
-
70
-
ns
t
PLH
, t
PHL
   Propagation Delay Low-High & High-Low
-
5
-
祍
V
CC
= 5 V, T
A
= 25?C
I
F
= 0 or 20 mA
R
L
= 8 TTL Loads (Totem-Pole)
R
L
= 360 & (Open-Collector)