Optek Technology, Inc.
Carrollton, Texas 75006
(972) 323-2200
sensors@optekinc.com
www.optekinc.com
Aug 2003
Issue 2.2
Page 1 of 4
Vertical Cavity Surface
Emitting Laser in ST
Optical Sub-Assembly
Storage Temperature
-40 C to +125 C
Operating Temperature
-40 C to +85 C
Soldering Lead Temperature
260 C for 10 Seconds
Maximum Forward Peak Current
30 mA
Maximum Reverse Voltage
5 V
Absolute Maximum Ratings
(T
A
= 25 C unless otherwise noted)
Features
850 nm VCSEL technology
High thermal stability
Up to 2.5 Gbps
Recommended for multimode fiber applications
Microbead lens
Pin out and attenuation options available on
request
Burned in for communication level reliability
High optical coupling to MM fiber
ST* style receptacle
Description
The OPV315AT and OPV315BT are high performance
850nm VCSEL packaged for high speed communication
links. OPV315AT and OPV315BT combines all the per-
formance advantages of a VCSEL with the addition of a
power monitor diode for precise control of optical power.
The OPV315YAT and OPV315YBT are identical electri-
cally and optically and differ only in pin out. Refer to
mechanical drawings for details.
This product's combination of features including high
speed, high output power and concentric beam make it
an ideal transmitter for integration into all types of data
communications equipment.
Applications include:
Fibre Channel
Gigabit Ethernet
ATM
VSR (Very Short Reach)
Intra-system links
Optical backplane interconnects
.
* - ST is a registered trademark of AT&T
This product is classified as 1M per EN/IEC60825-1/
A2:2001. The output from class 1M products must
not be viewed directly using optical magnifiers.
Additional laser safety information can be found on
the Optek website. See application bulletin #221.
850nm 0.7mW
Optek Technology, Inc.
Carrollton, Texas 75006
(972) 323-2200
sensors@optekinc.com
www.optekinc.com
Aug 2003
Issue 2.2
Page 2 of 4
OPV315AT, OPV315BT, OPV315YAT,
OPV315YBT
Technical Data
SYMBOL
PARAMETER
MIN TYP MAX UNITS
TEST CONDITION
P
T50
Total Coupled Power
OPV314AT, OV314YAT
300
W
I
F
= 7 mA
50/125
m Fiber
OPV314BT, OPV314YBT
200
W
I
F
= 7 mA
I
TH
Threshold Current
0.8
3.0
mA
Note1
V
F
Forward Voltage
1.6
2.2
V
I
F
= 7 mA
I
R
Reverse Current
35
nA
V
R
= 5 V
R
S
Series Resistance
20
55
ohms Note 2
Slope Efficiency
OPV314AT, OV314YAT
30
W/mA Note 3
OPV314BT, OPV314YBT
20
W/mA Note 3
I
RPD
Reverse Current, photo diode
35
nA
V
R
= 40 V
I
M
Monitor Current
30
I
F
= 7 mA, V
R
= 5 V
Wavelength
840
856
nm
Optical Bandwidth
0.85
nm
t
r
Rise Time
90
ps
20% to 80%
N
RI
Relative Intensity Noise
-123
db/Hz
/
Temp Coefficient of Slope Efficiency
-0.5
%/C
(0 - 70 C)
l
TH
/
T Temp Coefficient of Threshold Current
0.1
mA
0 - 70 C
/
T
Temp Coefficient of Wavelength
0.06
nm/C 0 - 70 C
Vf/
T Temperature Coefficient for VF
-2.5
mV/C
t
f
Fall Time
120
ps
80% to 20%
Linearity
0.00
Note 4
NOTES:
(1) Threshold Current is based on the two line intersection method specified in Telcordia GR-468-Core. Line 1 from 4 mA to 6 mA.
Line 2 from 0 mA to 0.5 mA.
(2) Series Resistance is the slope of the Voltage-Current line from 5 to 8 mA.
(3) Slope efficiency, is the slope of the best fit LI line from 5 mA to 8 mA using no larger than .25 mA test interval points. Measured with a 50/125
m fiber.
(4) Linearity--Using data points taken for slope efficiency above, data L/delta I shall be calculated for each adjacent pair of points.
Electrical/Optical Characteristics
(at 25
C unless otherwise specified)
Optek reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Optek Technology, Inc.
Carrollton, Texas 75006
(972) 323-2200
sensors@optekinc.com
www.optekinc.com
Aug 2003
Issue 2.2
Page 3 of 4
OPV315AT, OPV315BT, OPV315YAT,
OPV315YBT
Technical Data
Optek reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Normalized Output Power vs. Forward Current
Forward Current (mA)
N
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