A371-Type Analog Uncooled Isolated
DFB
FastLight
Laser Module
Data Sheet
January 1999
Description
The A371-Type Uncooled Isolated Laser Module con-
sists of a laser diode coupled to a single-mode 鏗乥er
pigtail. The device is available in a standard, 8-pin con-
鏗乬uration (see Figure 1 and/or Table 1) and is ideal for
CATV applications.
The module includes a narrow linewidth (<1 nm), DFB-
MQW, single-mode laser and an InGaAs PIN photo-
diode back-facet monitor in a hermetically sealed pack-
age.
The device characteristics listed in this document are
met at 2.0 mW output power. Higher- or lower-power
operation is possible. Under conditions of a 鏗亁ed pho-
todiode current, the change in optical output is typically
鹵
0.5 dB over an operating temperature range of 鈥?0
擄
C
to +85
擄
C.
This device incorporates the new Laser 2000 manufac-
turing process from the Optoelectronics unit of Lucent
Technologies Microelectronics Group. Laser 2000 is a
low-cost platform that targets high-volume manufactur-
ing and tight product distributions on all optical subas-
semblies. This platform incorporates an advanced
optical design that is produced on Opto鈥檚 highly auto-
mated production lines. The Laser 2000 platform is
quali鏗乪d for central of鏗乧e and uncontrolled environ-
ments, and can be used for applications requiring high
performance and low cost.
4
3
2
1
5
6
7
8
1-900 (C)
Figure 1. A371-Type Analog Uncooled Isolated DFB
Laser Module Schematic, Top View
Table 1. Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
Connection
NC
Case ground
NC
Photodiode cathode
Photodiode anode
Laser diode cathode
Laser diode anode
NC
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Parameter
Maximum Peak Laser Drive Current or
Maximum Fiber Power*
Peak Reverse Laser Voltage:
Laser
Monitor
Monitor Forward Current
Operating Case Temperature Range
Storage Case Temperature Range
Lead Soldering Temperature/Time
Relative Humidity (noncondensing)
* Rating varies with temperature.
Symbol
I
OP
P
MAX
V
RL
V
RD
I
FD
T
C
T
stg
鈥?/div>
RH
Min
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?0
鈥?0
鈥?/div>
鈥?/div>
Max
150
10
2
20
2
85
85
260/10
85
Unit
mA
mW
V
V
mA
擄
C
擄
C
擄
C/s
%
2
Lucent Technologies Inc.
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