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ADN2830ACP32-REEL7 PDF预览

ADN2830ACP32-REEL7

更新时间: 2024-01-01 06:25:01
品牌 Logo 应用领域
亚德诺 - ADI 电信集成电路电信电路控制器连续波
页数 文件大小 规格书
12页 213K
描述
Continuous Wave Laser Average Power Controller

ADN2830ACP32-REEL7 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:QFN
包装说明:HVQCCN,针数:32
Reach Compliance Code:unknown风险等级:5.89
JESD-30 代码:S-XQCC-N32JESD-609代码:e0
长度:5 mm湿度敏感等级:3
功能数量:1端子数量:32
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):240认证状态:COMMERCIAL
座面最大高度:1 mm标称供电电压:5 V
表面贴装:YES电信集成电路类型:TELECOM CIRCUIT
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:5 mm

ADN2830ACP32-REEL7 数据手册

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Continuous Wave Laser  
Average Power Controller  
a
ADN2830  
FEATURES  
GENERAL DESCRIPTION  
Bias Current Range 4 mA to 200 mA  
Monitor Photodiode Current 50 A to 1200 A  
Closed-Loop Control of Average Power  
Laser FAIL and Laser DEGRADE Alarms  
Automatic Laser Shutdown, ALS  
Full Current Parameter Monitoring  
5 V Operation  
The ADN2830 provides closed-loop control of the average  
optical power of a continuous wave (CW) laser diode (LD)  
after initial factory setup. The control loop adjusts the laser  
IBIAS to maintain a constant back facet monitor photodiode  
(MPD) current and thus a constant laser optical power. The  
external PSET resistor is adjusted during factory setup to set  
the desired optical power. RPSET is set at 1.23/IAV, where IAV  
is the MPD current corresponding to the desired optical power.  
Programmable alarms are provided for laser fail (end of life)  
and laser degrade (impending fail).  
–40C to +85C Temperature Range  
5 mm 5 mm 32-Lead LFCSP Package  
APPLICATIONS  
To provide monitoring of the MPD current, the MPD can be  
connected to the IMPD pin. In this case, the MPD current is  
mirrored to the IMPDMON pin to provide a monitor and  
internally to the PSET pin to close the control loop.  
Fiber Optic Communication  
By closing the feedback using IBMON rather than an MPD  
connected to PSET, the device is configured to control a constant  
current in the laser rather than a constant optical output power.  
FUNCTIONAL BLOCK DIAGRAM  
IBMON  
IMPDMON  
ALS FAIL  
DEGRADE  
MODE  
V
CC  
GND  
V
CC  
V
CC  
MPD  
LD  
IMPD  
GND  
IBIAS  
ASET  
CONTROL  
PSET  
R
PSET  
R
ASET  
GND  
GND  
PAVCAP  
GND  
REV. A  
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.  

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