Data Sheet
January 1999
A371-Type Analog Uncooled Isolated
DFB
FastLight
Laser Module
Handling Precautions
Caution: This device is susceptible to damage as a result of electrostatic discharge (ESD). Take proper
precautions during both handling and testing. Follow guidelines such as JEDEC Publication No.
108-A (Dec. 1988).
Although protection circuitry is designed into the device, take proper precautions to avoid exposure to ESD.
Electro/Optical Characteristics
Table 2. Electro/Optical Characteristics
(over operating temperature range unless otherwise noted)
Parameter
Operating Temperature
Range
Optical Output Power*
Threshold Current
Drive Current Above
Threshold
Slope Efficiency
Center Wavelength
Spectral Width (–20 dB)
Side-mode Suppression
Ratio
Tracking Error
Forward Voltage
Input Impedance
Monitor Current
Monitor Dark Current
Wavelength Temperature
Coefficient
* See Table 5 for more information.
† V
R
= reverse voltage.
Symbol
T
P
F
I
TH
I
MOD
SE
λ
C
∆λ
SMSR
TE
V
F
R
I
MON
I
D
—
Test Conditions
—
CW, nominal
T = 25
°
C
T = full range
CW, P
F
= 2.0 mW, T = 25
°
C
CW, I
MON
= const., T = full range
CW, P
F
= 2.0 mW, T = 25
°
C
P
F
= 2.0 mW, CW
P
F
= 2.0 mW
CW, P
F
= 2.0 mW
I
MON
= constant, CW
CW
—
V
R†
= 5 V
V
R†
= 5 V
—
Min
–40
—
5
2
10
7.5
67
1280
—
30
—
—
3
100
—
—
Typ
—
2
11
—
20
—
—
—
—
40
0.5
1.1
—
—
10
0.09
Max
85
—
15
50
30
55
200
1335
1
—
1.25
1.6
8
1000
200
0.1
Unit
°
C
mW
mA
mA
mA
µ
W/mA
nm
nm
dB
dB
V
Ω
µ
A
nA
nm/
°
C
Lucent Technologies Inc.
3
AGERE [ AGERE SYSTEMS ]
