1450nm DFB 2mW 2.5Gb/s with SC/APC connector laser diode with TEC
Features
- 1450nm direct modulation with cooled DFB-LD as Transmitter
- Low noise, Low distortion Low threshold current
- 1550nm InGaAs PIN-PD as Receiver
- Integrated Optical Isolator
Applications
- CDMA/GSM transmission system
- Other analog transmission system
- CATV Return-path
Absolute Maximum Ratings (Tc=25℃)
Parameter
|
Symbol
|
Ratings
|
Unit
|
Notes
|
Unit
|
Reverse Voltage(LD)
|
Vr(LD)
|
2
|
V
|
CW
|
V
|
Forward Current(LD)
|
If(LD)
|
120
|
mA
|
CW
|
mA
|
Reverse Voltage(MPD)
|
Vr(PD)
|
15
|
V
|
CW
|
V
|
Forward Current(MPD)
|
If(PD)
|
2
|
mA
|
CW
|
mA
|
Storage Temperature
|
Tstg
|
-40~ +85
|
℃
|
-
|
℃
|
Operating Temperature
|
Topr
|
-20~ +70
|
℃
|
-
|
℃
|
Lead Soldering Temperature/Time
|
Ts
|
260/10
|
℃/S
|
-
|
℃/S
|
Fiber Yield Strength
|
-
|
1
|
kgf
|
-
|
mm
|
Fiber Bend Radius |
-
|
30
|
mm
|
-
|
|
Transmitter Optical and Electrical Characteristics (Tc=25℃)
Parameter
|
Symbol
|
Min
|
Type
|
Max
|
Unit
|
|
Test Condition
|
Threshold Current |
Ith |
3 |
|
15 |
mA |
|
CW, T=25℃ |
|
|
50 |
mA |
|
CW, T=85℃ |
Forward Voltage
|
Vop
|
|
1.2
|
1.5
|
V
|
|
|
Optical Output Power
|
Po
|
|
2
|
|
mW
|
|
If=27~30mA
|
Center Wavelength
|
λc
|
1447
|
1450
|
1453
|
nm
|
|
CW, If=Ith+20mA
|
Rise time/Fall time
(20-80%)
|
Tr/Tf
|
|
|
120
|
ps
|
|
If=Ith,Po=Pf, 50 Ohm
|
Monitor Current
|
Im
|
100
|
|
1000
|
uA
|
|
CW, If=Ith+20mA
|
Capacitance
|
CPD
|
|
10
|
15
|
PF
|
|
VRD=5V,F=1MHz
|
Dark Current
|
Id
|
|
|
100
|
nA
|
|
VRD=5V
|
Spectral Width(RMS-20dB)
|
△λ
|
|
0.32
|
|
nm
|
|
CW, If=Ith+20mA
|
Bandwidth
|
BW
|
2
|
|
|
GHz
|
|
|
Slope Efficiency
|
SE
|
0.09
|
|
|
W/A
|
|
CW If=Ith+20mA
|
Tracking Error
|
TE
|
-1.5
|
|
1.5
|
dB
|
|
CW, Im=Constant &
If=Ith+20mA
|
Isolation |
ISO
|
30
|
|
|
dB |
|
|
Side Mode Suppression
Ration
|
SMSR
|
30
|
40
|
|
dB
|
|
CW, If=Ith+20mA
|
TEC |
Qmax
|
|
|
0.6
|
W
|
|
|
|
Imax
|
|
|
0.9
|
A
|
|
|
Vmax
|
|
|
1.2
|
V
|
|
|
T
|
40
|
|
|
K
|
|
Thermistor Resistance
|
Rth
|
|
10
|
|
kΩ
|
|
|
Relative Intensity Noise
|
RIN
|
|
|
-145
|
dB/Hz
|
|
|
Receiver Electrical and Optical Characteristics (Tc=25℃)
Parameter
|
Symbol
|
Min
|
Type
|
Max
|
Unit
|
Test Condition
|
Detection range
Iso(1525&1575>20dB)
|
λ
|
1540
|
1550
|
1560
|
nm
|
|
Responsivity
|
Res
|
0.80
|
0.85
|
|
A/W
|
VR=5V,λ=1550 nm
|
Dark current
|
Id
|
|
|
1.0
|
nA
|
VR=5V,25°C
|
Bandwidth(-3dB)
|
BW
|
1.5
|
|
|
GHz
|
50 Ohm matching
|
Saturation power
|
P
|
3
|
|
|
dBm
|
|
Capacitance
|
C
|
|
0.6
|
1.0
|
pF
|
VR=5V
|
Rise and Fall time
|
Tr/Tf
|
|
0.1
|
|
ns
|
RL=50Ω
|
IMD2
|
IMD2
|
|
-70
|
|
dBc
|
λ=1550 nm, (1*)
|
IMD3
|
IMD3
|
|
-80
|
|
dBc
|
λ=1550nm, (1*)
|
Reverse Voltage
|
VR
|
|
|
30
|
V
|
|
Return Loss
|
RL
|
40
|
|
|
dB
|
λ=1550nm
|