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LC25WC153BGJ59 데이터시트(PDF) 4 Page - Bookham, Inc.

부품명 LC25WC153BGJ59
상세설명  2.5 Gb/s CWDM Buried Het Laser 80Km reach
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제조업체  BOOKHAM [Bookham, Inc.]
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LC25WC153BGJ59 데이터시트(HTML) 4 Page - Bookham, Inc.

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Data Sheet
4
Instructions for Use – LC25WC
Pin 1 and Pin 2 Thermistor
The thermistor is used in a control loop in conjunction with the thermo-electric cooler to maintain the laser submount temperature
at the required value for wavelength. Operating current should be less than 100 µA to prevent self-heating errors.
Pin 3 Laser DC bias (-)
Laser bias current (negative with respect to package ground) is applied via this pin which forms one side of the bias-T connection
to the laser cathode.
Pin 4 Monitor anode, Pin 5 Monitor cathode
The back facet monitor provides a mean power reference for the laser and is normally operated with a 5 V reverse bias.
Pin 6 TEC (+), Pin 7 TEC (-)
Applying a positive voltage on pin 6 with respect to pin 7 will cause the internal submount to be cooled relative to the case
temperature. Reversing the polarity will raise the submount temperature relative to the case. The TEC supply should be capable of
delivering up to 0.9 A at 2.4 V.
Pin 8, 9, 11, 13 Case ground
These pins must be grounded in all applications.
Pin 10
This pin is not connected. It should be grounded if possible.
Pin 12 Laser modulation (-)
The data input (modulation current) is applied via this pin which is a nominal 25 Ohm impedance coplanar line.
For 10mW applications the end of life modulation current is 90mA. For all other applications 60mA maximum modulation current
should be provisioned.
Pin 14 N/C
This pin is not connected. It should be grounded if possible.
Pin #
Function
Pin #
Function
1
Thermistor
8
Case Ground
2
Thermistor
9
Case Ground
3
Laser DC bias (-)
10
Not Connected
4
Monitor Anode (-)
11
Case Ground
5
Monitor Cathode (+)
12
Laser Modulation (-)
6
TEC (+)
13
Case Ground
7
TEC (-)
14
Not Connected
Connections


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