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参数资料
| 型号： | ADN2848ACPZ-32-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC LASER DRIVER 1.25GBPS 32LFCSP |
| 标准包装： | 1,500 |
| 类型： | 激光二极管驱动器（光纤） |
| 数据速率： | 1.25Gbps |
| 通道数： | 1 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 50mA |
| 电流 - 调制： | 80mA |
| 电流 - 偏置： | 100mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 32-LFCSP-VQ（5x5） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
3.3 V Dual-Loop 50 Mbps to 1.25 Gbps
Laser Diode Driver
Data Sheet
FEATURES
50 Mbps to 1.25 Gbps operation
Single 3.3 V operation
Bias current range: 2 to 100 mA
Modulation current range: 5 to 80 mA
Monitor photo diode current: 50 μA to 1200 μA
50 mA supply current at 3.3 V
Closed-loop control of power and extinction ratio
GENERAL DESCRIPTION
The ADN2848 uses a unique control algorithm to control both
the average power and the extinction ratio of the laser diode
(LD) after initial factory setup. External component count and
PCB area are low because both power and extinction ratio
control are fully integrated. Programmable alarms are provided
for laser fail (end of life) and laser degrade (impending fail).
Full current parameter monitoring
Laser fail and laser degrade alarms
Automatic laser shutdown (ALS)
Optional clocked data
Supports FEC rates
32-lead, 5 mm × 5 mm LFCSP_VQ package
APPLICATIONS
SONET OC-1/3/12/24
SDH STM-0/1/4
Fibre Channel
Gigabit Ethernet
FUNCTIONAL BLOCK DIAGRAM
V CC
IMODN
V CC
MPD
V CC
IMPD
IMODP
LD
DATAP
DATAN
I MOD
CLKP
PSET
GND ERSET
CONTROL
I BIAS
ADN2848
I BIAS
ASET
CLKN
V CC
R Z
GND
ERCAP
PAVCAP
LBWSET
GND
GND
GND
Figure 1.
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ?2003–2013 Analog Devices, Inc. All rights reserved.
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| ADN2849 | 制造商:AD 制造商全称:Analog Devices 功能描述:10.7 Gbps Electro-Absorption Modulator Driver |
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