DIGITAL APPLICATION. FU-68SDF-802M91B Datasheet

FU-68SDF-802M91B Datasheet PDF, Equivalent


Part Number

FU-68SDF-802M91B

Description

1.55 um DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (WAVELENGTH SELECTED/ BIAS CIRCUIT INTEGRATED/ DIGITAL APPLICATION)

Manufacture

Mitsubishi Electric Semiconductor

Total Page 5 Pages
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FU-68SDF-802M91B Datasheet
MITSUBISHI (OPTICAL DEVICES)
FU-68SDF-V802MxxB
1.55 mm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL
(WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
DESCRIPTION
Mod ule type FU-68SDF-V802MxxB is a 1.55mm DFB-
LD module with single-mode optical fiber.
Th is module is suitable to a directly modulated light
source for use in 2.5Gb/s digital optical
communication systems.
Th is module is pre pared in accordance with ITU-T
reco mmend ation wavelength channel plan for Dense-
WDM transmission.
FEATURES
Multi qu antum wells (MQW) DFB Laser Diode
module
Input impedance is 25W
Emission wavelength is in 1.55mm band
High-speed response
Built-in optical isolator
Built-in thermal electric cooler
Butterfly package
With photodiode for optical output monitor
APPLICATION
High speed transmission systems (~2.5Gb/s)
Dense-WDM systems
ABSOLUTE MAXIMUM RATINGS (Tld=Tset)
Parameter
Laser diode Optical output
power
Forward current
Reverse voltage
Photodiode
Reverse voltage
Forward current
Thermo-
Cooler current
electric co oler Cooler voltage
(Note)
Operating case temperature
Symbol
Pf
If
Vrl
Vrd
Ifd
Ipe
Vpe
Tc
Conditions
CW
CW
Rating
6
150
2
20
2
1.3
3.1
-20 ~ 70
Unit
mW
mA
V
V
mA
A
V
°C
Storage temperature
Tstg
-40 ~ 85
°C
Note) Even if the thermo-electric cooler (TEC) is operated within the rated conditions, uncontrolled current loading
or operation without heatsink may easily damage the module by exceeding the storage temperature range.
Thermistor resistance should be properly monitored by the feedback circuit during TEC operation to avoid
the catastrophic damage.

FU-68SDF-802M91B Datasheet
MITSUBISHI (OPTICAL DEVICES)
FU-68SDF-V802MxxB
1.55 mm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL
(WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
ELECTRICAL/OPTICAL CHARACTERISTICS (Tld=Tset, Tc=25°C unless otherwise noted)
Parameter
Symbol
Test Conditions
Limits
Unit
Min. Typ. Max.
Threshold current
Ith CW
- 10 25 mA
Optical output power
at threshold current
Pth CW, If=Ith
- - 100 mW
Operating current
Iop CW, Pf=2mW
- 40 65 mA
Operating voltage
Vop CW, Pf=2mW
-
1.3 1.8
V
Input impedance
Zin Pf=2mW
- 25 - W
Light-emission central
wavelength
lc (Note 1)
(Note 2)
nm
Central wavelength drift with
case temp.
Laser operating temperature
Spectral width
Dlc/DTc Tc=-20~70°C
Tset -
Dl (Note 1), -20dB
-1 -
0 pm/°C
20 - 35 °C
- 0.2 0.4 nm
Side mode suppression ratio
Dispersion penalty
Sr (Note 1)
Pp (Note 1), at 10-10 BER,
+1800ps/nm
33 40 - dB
- - 2 dB
Cutoff frequency
(-1.5dB optical)
fc Pf=2mW
3.5 -
- GHz
Rise and fall time
(10~90%)
tr, tf (Note 1)
- - 150 psec
Relative intensity noise
Nr CW, Pf=2mW,
0.5~3GHz
- -155 -145 dB/Hz
Tracking error
(Note 3)
Er Tc=-20~70°C,
APC, ATC
- - 0.5 dB
Differential efficiency
h CW, Pf=2mW
0.057 0.07
0.15 mW/
mA
Linearity
Dh CW, Pf=0.2~2.4mW,
(Note 4)
-20 -
20 %
Monitor current
Optical isolation
Imon
Iso
CW, Pf=2mW, Vrd=5V
Tc=25°C
Tc=-20~70°C
0.1 -
35 -
23 -
2 mA
- dB
-
Dark current (PD)
Id Vrd=5V, Tc=-20~70°C
- - 0.1 mA
Capacitance (PD)
Ct Vrd=5V, f=1MHz
- - 10 pF
Note 1) 2.48832Gb/s NRZ, 223-1, Pf_ave=1mW, Extinction ratio 10dB, optical return loss of the connectors should
be greater than 40dB in order to ensure the specified performance.
Note 2) See Table 1.
Note 3) Er=max|10´log(Pf / Pf@25°C)|
Note 4) Variation of the differential efficiency from the straight line between 0.2mW and 2mW.


Features Datasheet pdf MITSUBISHI (OPTICAL DEVICES) FU-68SDF-V 802MxxB 1.55 mm DFB-LD MODULE WITH SING LEMODE FIBER PIGTAIL (WAVELENGTH SELECT ED, BIAS CIRCUIT INTEGRATED, DIGITAL AP PLICATION) DESCRIPTION Mod ule type FU- 68SDF-V802MxxB is a 1.55mm DFBLD module with single-mode optical fiber. Th is module is suitable to a directly modula ted light source for use in 2.5Gb/s dig ital optical communication systems. Th is module is pre pared in accordance wi th ITU-T reco mmend ation wavelength ch annel plan for DenseWDM transmission. F EATURES Multi qu antum wells (MQW) DFB Laser Diode module Input impedance is 2 5W Emission wavelength is in 1.55mm ban d High-speed response Built-in optical isolator Built-in thermal electric cool er Butterfly package With photodiode fo r optical output monitor APPLICATION Hi gh speed transmission systems (~2.5Gb/s ) Dense-WDM systems ABSOLUTE MAXIMUM R ATINGS (Tld=Tset) Parameter Symbol Lase r diode Optical output Pf power Forward current If Reverse voltage Vrl Photodiode Reverse voltage Vrd .
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