Product Bulletin OPB950
July 1996
January 2006
Dual Channel Encoder
Type OPB950
Features
•
Dual channel outputs
•
0.010" (0.254 mm) sensor apertures
for high resolution
•
Open collector inverter outputs
•
Snap mount
•
4-pin connector ( Ho Tien 2560-04),
Molex compatible connector 5102
series housing and 5103 series
terminal
Absolute Maximum Ratings
(T
A
= 25
o
C unless otherwise noted)
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to +85
o
C
Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to +85
o
C
Input Diode
Forward DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Peak Forward Current (1µs Pulse Width, 300 pps) . . . . . . . . . . . . . . . . . . . . . . . 3.0 A
Reverse D. C. Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 V
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW
(1)
Output Photologic
®
Description
The OPB950 consists of an infrared
emitting diode and a monolithic
integrated circuit which incorporates two
independent photodiodes, linear
amplifiers, Schmitt trigger circuits and
output transistors. The outputs are
TTL/LSTTL compatible and can drive 8
TTL loads.
Applications include linear and rotary
encoders with high resolution provided
by internal 0.010" (0.254 mm) apertures
located in front of Photologic
®
sensor on
0.040" (1.02 mm) center line spacing.
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 V
Voltage at Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mW
(2)
Low Level Output Current (Sinking) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA
Notes:
(1) Derate linearly 1.67 mW/
o
C above 25
o
C.
(2) Derate linearly 3.33 mW/
o
C above 25
o
C.
Schematic
For RoHS compliant devices
add "Z" to the end of the part
number: OPB950Z
RoHS
Optek Technology, Inc.
1215 W. Crosby Road
Carrollton, Texas 75006
12-152
(972) 323-2200
Fax (972) 323-2396
OPTEK [ OPTEK TECHNOLOGIES ]
