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參數(shù)資料
| 型號(hào)： | 2723CXXX |
| 元件分類： | 通信、網(wǎng)絡(luò)模塊及開發(fā)工具 |
| 英文描述： | Telecomm/Datacomm |
| 中文描述： | 電信/數(shù)據(jù)通信 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 251K |
| 代理商： | 2723CXXX |
Data Sheet
May 2002
High-Power 10 Gbit/s Modulated Source
4
Agere Systems Inc.
Handling Precautions
Power Sequencing
To avoid the possibility of damage to the laser module
from power supply switching transients, follow this
turn-on sequence:
1. All ground connections
2. Most negative supply
3. Most positive supply
4. All remaining connections
Reverse the order for the proper turn-off sequence.
Electrostatic Discharge
CAUTION: This laser device is susceptible to dam-
age as a result of electrostatic dis-
charge. Take proper precautions during
both handling and testing. Follow guide-
lines such as JEDEC Publication No.
108-A (Dec. 1988).
Agere Systems employs a human-body model (HBM)
for ESD-susceptibility testing and protection-design
evaluation. ESD voltage thresholds are dependent on
the critical parameters used to define the model. A
standard HBM (resistance = 1.5 k
, capacitance =
100 pF) is widely used and, therefore, can be used for
comparison purposes. The HBM ESD threshold show
here was obtained using these circuit parameters:
Mounting Instructions
The minimum fiber bend radius is 1.0 in. (25.4 mm).
To avoid degradation in performance, mount the mod-
ules on the board as follows:
1. Place the bottom flange of the laser module on a flat
heat sink at least 0.5 in. x 1.180 in. (12.7 mm x
30 mm) in size. The surface finish of the heat sink
should be better than 32
μ
in. (0.8
μ
m), and the sur-
face flatness must be better than 0.001 in. (25.4
μ
m).
Using thermal conductive grease is optional; how-
ever, thermal performance can be improved by up to
5% if conductive grease is applied between the bot-
tom flange and the heat sink.
2. Mount four #2-56 screws with Fillister heads
(M2-3 mm) at the four screw hole locations (see Out-
line Diagram). The Fillister head diameter must not
exceed 0.140 in. (3.55 mm). Do not apply more than
1 in.-lb. of torque to the screws.
3. For the modulator, mount a minimum of two #4-40
screws into the two center screw holes located on
the bottom of the package (see Outline Diagram).
Do not apply more than 5.2 in.-lb. of torque to the
screws.
Parameter
Human-body Model
Value
>400
Unit
V
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