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ADN2848ACP-32-RL7 PDF预览

ADN2848ACP-32-RL7

更新时间: 2024-09-17 03:17:51
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页数 文件大小 规格书
12页 255K
描述
3 V Dual-Loop 50 Mbps to 1.25 Gbps Laser Diode Driver

ADN2848ACP-32-RL7 数据手册

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3 V Dual-Loop 50 Mbps to 1.25 Gbps  
Laser Diode Driver  
a
ADN2848  
FEATURES  
GENERAL DESCRIPTION  
50 Mbps to 1.25 Gbps Operation  
Single 3.3 V Operation  
The ADN2848 uses a unique control algorithm to control both  
the 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).  
Bias Current Range 2 mA to 100 mA  
Modulation Current Range 5 mA to 80 mA  
Monitor Photo Diode Current 50 A to 1200 A  
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  
32-Lead (5 mm × 5 mm) LFCSP Package  
APPLICATIONS  
SONET OC-1/3/12  
SDH STM-0/1/4  
Fibre Channel  
Gigabit Ethernet  
FUNCTIONAL BLOCK DIAGRAM  
V
CC  
V
CC  
IMODN  
LD  
V
CC  
IMODP  
MPD  
IMPD  
DATAP  
DATAN  
CLKP  
CLKN  
I
MOD  
CONTROL  
PSET  
I
BIAS  
I
BIAS  
ASET  
GND  
GND  
ERSET  
ADN2848  
GND  
ERCAP  
PAVCAP  
LBWSET  
GND  
GND  
REV. 0  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. 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 companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  

ADN2848ACP-32-RL7 替代型号

型号 品牌 替代类型 描述 数据表
ADN2848ACPZ-32-RL7 ADI

完全替代

3.3 V Dual-Loop 50 Mbps to 1.25 Gbps Laser Diode Driver
ADN2848ACP-32 ADI

完全替代

3 V Dual-Loop 50 Mbps to 1.25 Gbps Laser Diode Driver

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