Vertical Cavity Surface
Emitting Laser in Plastic
Lateral Package
Features
•
•
•
•
850nm VCSEL Technology
High thermal stability
Low drive current/high output intensity
Plastic Lateral Flat convex lens for extra narrow
beam angle.
Description
The OPV282 is a high performance 850nm VCSEL packaged for sensing applications. This product’s combination of features including high speed, high output power
and concentric beam makes it an ideal transmitter for
integration into all types of position sensing equipment.
Absolute Maximum Ratings (TA = 25° C unless otherwise noted)
Applications include:
Operating Temperature
♦
♦
♦
♦
Maximum Forward Peak Current
30 mA
Maximum Reverse Voltage
5 Volts
Storage Temperature
Soldering Lead Temperature
Photoelectric Sensors
Light Curtains
Position Sensors
Encoders
-40 to +125°C
-40 to +85° C
260° C for 10 Seconds
Additional laser safety information can be found
on the Optek website. See application #221.
Classification is not marked on the device due to
space limitations. See package outline for
centerline of optical radiance. Operating devices
beyond maximum rating may result in hazardous
radiation exposure.
September 2003
Issue 2.1
Optek Technology, Inc.
Carrollton, Texas 75006
(972) 323-2200
Page 1 of 4
sensor@optekinc.com
www.optekinc.com
OPV282 Technical Data
Electrical/Optical Characteristics (at 25 C unless otherwise specified)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
TEST CONDITION
POT
Total Power Out
1.4
4.5
mW
IF = 12 mA
ITH
Threshold Current
2.0
5.5
mA
Note 1
VF
Forward Voltage
2.15
V
IF = 12 mA
IR
Reverse Current
30
nA
VR = 5 V
RS
Series Resistance
40
ohms
Note 2
η
Slope Efficiency
0.17
mW/mA
Note 3
λ
Wavelength
830
∆λ
∆η/∆T
14
Optical Bandwidth
Temp Coefficient of Slope Efficiency
Beam Divergence
θ
860
nm
0.85
nm
-0.40
%/°C
6
Degree
∆λ/∆T
Temp Coefficient of Wavelength
0.06
nm/°C
(0° - 70° C)
∆lTH/∆T
Temp Coefficient of Threshold Current
±1.5
mA
(0° - 70° C)
Relative Intensity Noise
-123
dB/Hz
Temperature Coefficient for VF
-2.5
mV/°C
Nri
∆VF/∆T
NOTES:
(1)
(2)
(3)
Threshold Current is based on the two line intersection method specified in Telcordia GR-468-Core. Line 1 from 6 mA to 8 mA. Line 2 from 0
mA to 2 mA.
Series Resistance is the slope of the Voltage-Current line from 8 to 12 mA.
Slope efficiency, is the slope of the best fit LI line from 8 mA above threshold to 12 mA.
OPV282 Beam Profile
Normalized power
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-30
-20
-10
0
10
20
30
Degrees
September 2003
tek reserves
Issue 2.1
OpOptek Technology, Inc.
Carrollton, Texas 75006
(972) 323-2200
Page 2 of 4
sensor@optekinc.com
www.optekinc.com
OPV282 Technical Data
Output Power vs. Forward Current
1.4
20 C
Normalized Output Power
(12mA, 25
1.2
0 C
1.0
70 C
0.8
0.6
0.4
0.2
0.0
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Forward Current (mA)
Forward Voltage vs. Forward Current
2.2
0C
Forward Voltage (V)
2.0
20 C
70 C
1.8
1.6
1.4
1.2
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
Forward Current (mA)
Optek Technology, Inc.
Carrollton, Texas 75006
(972) 323-2200
Page 3 of 4
September 2003
Issue 2.1
sensor@optekinc.com
www.optekinc.com
OPV282 Technical Data
Mechanical Dimensions:
Invisible Light emits from this surface
Epoxy Meniscus
0.030 Max
Invisible Light emits from this surface
September 2003
Issue 2.1
Optek Technology, Inc.
Carrollton, Texas 75006
(972) 323-2200
Page 4 of 4
sensor@optekinc.com
www.optekinc.com
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