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参数资料
| 型号： | ADN2847ACPZ-32-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC LSR DRVR 3.3GBPS 3.6V 32LFCSP |
| 标准包装： | 1,500 |
| 类型： | 激光二极管驱动器（光纤） |
| 数据速率： | 3.3Gbps |
| 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 3.3 Gbps
Laser Diode Driver
Data Sheet
FEATURES
50 Mbps to 3.3 Gbps operation
Single 3.3 V operation
Typical rise/fall time: 80 ps
Bias current range: 2 mA to 100 mA
Modulation current range: 5 mA to 80 mA
Monitor photodiode current: 50 μA to 1200 μA
Dual MPD functionality for DWDM
50 mA supply current at 3.3 V
Closed-loop control of power and extinction ratio
Full current parameter monitoring
Laser fail and laser degrade alarms
Automatic laser shutdown (ALS)
Optional clocked data
Supports FEC rates
48-lead (7 mm × 7 mm) LFCSP package
32-lead (5 mm × 5 mm) LFCSP package
APPLICATIONS
SONET OC-1/3/12/48
SDH STM-0/1/4/16
Fibre Channel
Gigabit Ethernet
DWDM dual MPD wavelength control
GENERAL DESCRIPTION
The ADN2847 uses a unique control algorithm to control both
average power and extinction ratio of the laser diode (LD) after
initial factory setup. External component count and PCB area
are low, as both power and extinction ratio control are fully
integrated. Programmable alarms are provided for laser fail
(end of life) and laser degrade (impending fail).
Optional dual MPD current monitoring is designed into the
ADN2847 specifically for DWDM wavelength control.
The ADN2847 is specified for the ?40°C to +85°C temperature
range and is available in a 48-lead LFCSP package and a 32-lead
LFCSP package.
FUNCTIONAL BLOCK DIAGRAM
V CC
IMODN
V CC
MPD
V CC
IMODP
LD
IMPD
DATAP
DATAN
GND
IMPD2
PSET
CONTROL
I MOD
I BIAS
CLKP
CLKN
V CC
R Z
I BIAS
GND ERSET
ADN2847
ASET
GND
ERCAP
PAVCAP
IDTONE
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 www.analog.com
Fax: 781.461.3113 ?2003–2012 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADN2847ACPZ-48 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADN2847CSURFC | 制造商:Analog Devices 功能描述: |
| ADN2848 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:ADN2848: 3V Dual Loop 50Mbps to 622Mbps Laser Diode Driver Data Sheet (Rev. 0. 1/03) |
| ADN2848ACP-32 | 制造商:Analog Devices 功能描述:Laser Driver DFB 1.25Gbps 1-CH 32-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:155MBPS-622MBPS, 3V, LASER DIODE DRIVER - Bulk |
| ADN2848ACP-32-RL | 制造商:Analog Devices 功能描述:Laser Driver DFB 1.25Gbps 1-CH 32-Pin LFCSP EP T/R |
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