OKI OL3492N 1310nm mqw laser diode uncooled coax module with single mode fiber Datasheet

OL3492N/LR
1310nm MQW Laser Diode Uncooled Coax Module with Single Mode Fiber
DESCRIPTION
The OKI OL3492N/LR is a 1310nm MQW Laser Diode in a PCB mountable coaxial package with single
mode fiber and low relative intensity noise (RIN).
FEATURES
• SMF output: 3mW
• Low RIN
• Wide operating range
• MQW structure
OUTLINE DIMENSIONS
1.0
Pin No.
6.4
1
3
17.0
12.7
7.0
2
4
ø4.0
Function
1
LD cathode
2
LD anode (case)
3
PD anode
4
PD cathode
ø6.8
ø2.2 (2x)
2.0
ø0.45 (4x)
13.0
23.6
4.0
Dimensions in mm.
CIRCUIT
LD
2
1
(Case)
PD
4
3
OKI SEMICONDUCTOR
1
■ OL3492N/LR ■ ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings [1]
Parameter
Symbol
Rating
Unit
3
mW
If(LD)
150
mA
Vr(LD)
2
V
Fiber output power
Pf
Laser diode forward current
Laser diode reverse voltage
Photo diode reverse voltage
Vr(PD)
20
V
Operating temperature
Topr
-40 to +85
°C
Storage temperature
Tstg
-40 to +85
°C
Soldering (max. 10 sec)
Tsld
260
°C
1. Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. Functional operation should be restricted to the conditions
as detailed in the operational sections of this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
Recommended Operating Conditions (TA = 25 °C)
Rated Value
Parameter
Symbol
Threshold current
Ith
Fiber output power
Pf
Condition
Min
Typ
Max
–
–
10
20
mA
2
–
–
mW
If = Ith + 40 mA
Unit
Forward voltage
Vf
If = 30 mA
–
–
1.5
V
Center wavelength
λc
Pf = 2 mW
1290
1310
1330
nm
Spectral width [1]
σ
Pf = 2 mW
Monitor current
Im
Pf ave. = 1 mW
–
–
2.5
nm
200
–
–
µA
nA
Photo diode dark current
Idark
Vr(PD)
–
0.5
20
Rise time
τr
–
–
0.5
ns
Fall time
τf
Ibias = Ith
Pf ave. = 1 mW, 10-90%
–
–
0.5
ns
Carrier to noise ratio [2]
CNR
OMI = 40% @25 MHz
53
–
–
dB
Relative intensity noise
RIN
f = 25 MHz BW = 4 MHz
–
–
-135
dB/Hz
1. Spectral Width: RMS x 1, CW.
2. Reflection = -35 dB, Rx noise = 10 pA/Hz1/2, Fiber = 1 m, Pf = 1 mW Ave.
FIber Pigtail Specifications
Parameter
Type
Rated Value
Unit
SM
–
Mode Field Diameter
10 ±1
µm
Cladding Diameter
125 ±2
µm
900
µm
Length
1 (Min.)
m
Connector
FC/SPC
–
Jacket Diameter
2
OKI SEMICONDUCTOR
Similar pages