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MRV Communications, Inc.MRV Communications, Inc.
1550 DFB LASER
14 PIN DIP/BUTTERFLY
PACKAGE
COOLED WITH ISOLATOR
THETHE SOURCE FOR YOUR SOURCESOURCE FOR YOUR SOURCE
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FEATURES - High Speed
- 1550 NM Wavelength - Rear Facet Monitor
- High Optical Power - Thermo-Electric Cooler
- Low Threshold Current - 14 Pin Dual Inline Package
- High Operating Temperature - Singlemode Fiber Pigtail
TRANSMITTER CHARACTERISTICS ( T= 25°C )
Parameter Sym Condition Min Typ Max Unit
Peak Wavelength λpCW 1530 1550 1570 nm
Temperature of peak
wavelength CW .08 nm/°C
Spectral Width ∆λ CW 0.1 0.2 nm
Threshold Current Ith CW 20 40 mA
Operating Current Iop CW 150 mA
Side Mode
Suppression Ratio Sr CW 30 33 dB
RIN -145 dB/Hz
Rise Time Tr 0.3 0.4 ns
Fall Time Tf 0.4 0.5 ns
Forward Voltage Vf CW 1.2 1.9 V
Thermal Resistance RTth=25°C 9.0 10 11 KΩ
Cooler Current Ite ∆T=40°C 0.6 1.5 A
Cooler Voltage Vte ∆T=40°C 1.6 3.0 V
Monitor Current Ipd CW(Iop) 0.1 mA
Monitor Dark Current Id Vrd=5V 0.3 1.0 µA
Monitor Capacitance Cpd T=1MHZ
Vrd=5V 10 pF
OUTPUT POWER ( T= 25°C)
Part Number
1550 nm Singlemode Min Typ Max Unit
MRLD14XD5005I 0.5 0.75 1.0 mW
MRLD14XD50075I 0.75 1.0 1.5 mW
MRLD14XD5010I 1.0 1.5 2.0 mW
MRLD14XD5020I 2.0 3.0 4.0 mW
X = C FOR 14 PIN DIP, B FOR BUTTERFLY PACKAGE OPTION 1, D FOR BUTTERFLY
PACKAGE OPTION 2, E FOR BUTTERFLY PACKAGE OPTION3, F FOR BUTTERFLY
PACKAGE OPTION 4
( Please add -SC, FC,ST for pigtail termination)
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL CONDITIONS RATING UNIT
LD reverse Voltage VrLD CW 2.0 VOLTS
LD Forward Current If CW 200 mA
PD Forward Current Ifpd CW 2.0 mA
PD Reverse Voltage Vrpd CW 15 V
Operating Temp Top -20 to +60 °C
Storage Temp Tstg -30 to +80 °C
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Outline Drawing
Pinout Diagram
Pin Function Pin Function
1Cooler Anode 8PD Anode
2NC 9Laser Cathode
3NC 10 Laser Anode and Case Ground
4NC 11 Thermistor
5Laser Anode and Case Ground 12 Thermistor
6NC 13 NC
7PD Cathode 14 Cooler Cathode
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Outline Drawing
Pinout Diagram OPTION 1
TOP VIEW
Pin Function Pin Function
1Cooler Anode 8NC
2Thermistor 9NC
3PD Anode 10 Case Ground
4PD Cathode 11 LD Cathode
5Case Ground 12 NC
6NC 13 LD Anode Case GND
7NC 14 Cooler Cathode
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Outline Drawing
Pinout Diagram OPTION 2
TOP VIEW
Pin Function Pin Function
1Cooler Anode 8Case Ground
2Thermistor 9Case Ground
3PD Anode 10 Case Ground
4PD Cathode 11 LD Cathode (75Ω Input)
5Thermistor 12 NC
6Case Ground 13 LD Anode Case GND
7Case Ground 14 Cooler Cathode
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Outline Drawing
Pinout Diagram OPTION 3
TOP VIEW
Pin Function Pin Function
1Cooler Anode 8N/C
2Thermistor 9N/C
3PD Anode 10 Laser Anode and Ground
4PD Cathode and Ground 11 Laser Cathode
5Thermistor 12 NC
6N/C 13 Case GND
7N/C 14 Cooler Cathode
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Outline Drawing
Pinout Diagram OPTION 4
TOP VIEW
Pin Function Pin Function
1Thermistor 8Case Ground
2Thermistor 9Case Ground
3Inductor, Laser Cathode 10 N/C
4PD Anode 11 Case Ground
5PD Cathode 12 Resistor, Laser Cathode
6Cooler Anode 13 LD Anode Case GND
7Cooler Cathode 14 N/C
15d14cil.doc 2/3/99
