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參數資料
| 型號： | ADN2849SURF |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 其它接口 |
| 英文描述： | 10.7 Gbps Electro-Absorption Modulator Driver |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, UUC27 |
| 封裝： | 2.05 X 2.05 MM, DIE-27 |
| 文件頁數： | 13/17頁 |
| 文件大小： | 1425K |
| 代理商： | ADN2849SURF |
Preliminary Technical Data
ADN2849
POWER DISSIPATION
The power dissipated by the ADN2849 is a function of the
supply voltage and the level of bias offset and modulation
voltages required. Figure 28 shows the power dissipation of the
ADN2849 vs. modulation voltage for different bias offset
voltages. To ensure long-term reliable operation, the junction
temperature of the ADN2849 must not exceed 125
0
C.
Rev. Pr. G | Page 13 of 17
For improved heat dissipation the module’s case can be used as
heat sink as shown in figure 29. A compact optical module is a
complex thermal environment, and calculations of device
junction temperature using the package θ
J-A
(Junction-to-
Ambient thermal resistance) do not yield accurate results
.
ALL CAPS (Initial cap)
000
000
000
000
000
000
000
A
000
000
000
000
000
TBD
Figure 28. Power dissipation of the ADN2849 vs. bias offset and modulation voltage
T
TOP
T
J
T
PAD
Die
Package
ThermalCompound
ModuleCase
PCB
FilledVias
CopperPlane
Thermo-couple
Figure 29. Typical optical module structure
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