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參數資料
| 型號： | ADN2843 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 10.709 Gbps Laser Diode Driver Chipset |
| 中文描述： | 10.709 Gbps的激光二極管驅動器芯片組 |
| 文件頁數： | 8/12頁 |
| 文件大小： | 710K |
| 代理商： | ADN2843 |
REV. 0
–8–
ADN2843
Best high frequency board layout techniques including power and ground planes should be used.
To minimize inductance, keep the connections between the ADN2845 and the laser diode as short as possible. Inductances <0.3 nH
are recommended for best performance. Critical bonds are IMODP and V
CC
(Pin 14). Ribbon bonding can be used to reduce
bond inductance. Minimize bond lengths for ADN2845 pads to achieve low inductance.
Place bypass capacitor on laser anode as close to laser as possible.
Bypass capacitors should be placed as close as possible to V
CC
pads.
50 controlled impedance interconnects should be used on the DATA inputs.
Parasitic capacitance on IBIAS_CTRL and IMOD_CTRL interconnects should be less than 100 pF. If decoupling caps are used
on IBIAS_CTRL and IMOD_CTRL, they should be tied to V
CC
rather than GND.
An inductor should be used in the bias current path. A Microwave Components coil 30-1847-GCCAS-01 (48 mil
24 mil) should
be used.
The recommended substrate connection is to GND. However, the performance is not affected by connecting the substrate to V
CC.
22nF
10nF
G
G
E
P
M
G
G
G
V
C
D
I
G
I
IDTONE
IBMON
IMMON
ALS
FAIL
DEGRADE
GND
ASET
ERSET
PSET
GND
IMPD
IMPDMON
IMPDMON2
ADN2844
G
1
8
32 25
IMPD2
GND
DATAN
GND
NC
GND
DATAP
IMODNTERM
NC
IMODP
IBIAS
ALS
GND
V
CC
V
CC
V
CC
GND
ADN2845
I
I
15
18
9
6
1
10
14
5
10nF
10k
1k
1k
22nF
G
9 16
10nF
V
C
24
17
V
CC
10nF
10nF
100 F TANTALUM
V
CC
10nF
V
CC
MPD
10nF
V
CC
V
CC
V
CC
NOTES
*
FOR DIGITAL PROGRAMMING, THE ADN2850 OR ADN2860 OPTICAL SUPERVISOR CAN BE USED.
**
OPTIONAL MONITORING OF CURRENTS.
1k
NC
*
*
**
**
**
V
CC
V
CC
V
CC
V
CC
V
CC
Figure 3. ADN2843 Application Circuit (Mode A)
相關PDF資料 |
PDF描述 |
|---|---|
| ADN2843CHIPSET | 10.709 Gbps Laser Diode Driver Chipset |
| ADN2843CHIPSET-B | 10.709 Gbps Laser Diode Driver Chipset |
| ADN2847 | 3 V Dual-Loop 50 Mbps to 3.3 Gbps Laser Diode Driver |
| ADN2847ACP-32 | 3 V Dual-Loop 50 Mbps to 3.3 Gbps Laser Diode Driver |
| ADN2847ACP-32-RL | 3 V Dual-Loop 50 Mbps to 3.3 Gbps Laser Diode Driver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADN2843CHIPSET | 制造商:Analog Devices 功能描述:Drivers, 10.709Gbps Laser Diode Driver Chipset |
| ADN2843CHIPSET-B | 制造商:Analog Devices 功能描述:Drivers, 10.709Gbps Laser Diode Driver Chipset |
| ADN2844BCP-32 | 制造商:Analog Devices 功能描述: |
| ADN2847 | 制造商:Analog Devices 功能描述: |
| ADN2847ACP-32 | 制造商:Analog Devices 功能描述:Laser Driver DFB 3.3Gbps 1-CH 32-Pin LFCSP EP |
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