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ADN2526ACPZ-R7 PDF预览

ADN2526ACPZ-R7

更新时间: 2024-01-30 21:36:19
品牌 Logo 应用领域
亚德诺 - ADI 驱动器驱动程序和接口二极管激光二极管接口集成电路
页数 文件大小 规格书
16页 469K
描述
11.3 Gbps Active Back-Termination, Differential Laser Diode Driver

ADN2526ACPZ-R7 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFN
包装说明:HVQCCN,针数:16
Reach Compliance Code:unknown风险等级:5.63
接口集成电路类型:INTERFACE CIRCUITJESD-30 代码:S-XQCC-N16
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:16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):225
认证状态:COMMERCIAL座面最大高度:0.9 mm
最大供电电压:3.6 V最小供电电压:3 V
标称供电电压:3.3 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:MATTE TIN
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:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

ADN2526ACPZ-R7 数据手册

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11.3 Gbps Active Back-Termination,  
Differential Laser Diode Driver  
ADN2526  
FEATURES  
GENERAL DESCRIPTION  
3.3 V operation  
Up to 11.3 Gbps operation  
Typical 24 ps rise/fall times  
The ADN2526 laser diode driver is designed for direct modula-  
tion of packaged laser diodes that have a differential resistance  
ranging from 5 Ω to 50 Ω. The active back-termination in the  
ADN2526 absorbs signal reflections from the TOSA end of the  
output transmission lines, enabling excellent optical eye quality to  
be achieved even when the TOSA end of the output transmission  
lines is significantly misterminated. ADN2526 is an SFP+ MSA-  
compliant device, and its small package and enhanced ESD  
protection provide the optimum solution for compact modules  
where laser diodes are packaged in low pin-count optical  
subassemblies.  
Full back-termination of output transmission lines  
Drives TOSAs with resistances ranging from 5 Ω to 50 Ω  
Bias current range: 10 mA to 100 mA  
Differential modulation current range: 10 mA to 80 mA  
Voltage input control for bias and modulation currents  
Data inputs sensitivity: 150 mV p-p diff  
Automatic laser shutdown (ALS)  
Cross point adjustment (CPA)  
XFP-compliant bias current monitor  
SFP+ MSA compliant  
The modulation and bias currents are programmable via the  
MSET and BSET control pins. By driving these pins with control  
voltages, the user has the flexibility to implement various  
average optical power and extinction ratio control schemes,  
including closed-loop or look-up table control. The automatic  
laser shutdown (ALS) feature allows the user to turn on/off the  
bias and modulation currents by driving the ALS pin with a  
LVTTL logic source.  
Optical evaluation board available  
Compact 3 mm × 3 mm LFCSP  
APPLICATIONS  
SONET OC-192 and SDH STM-64 optical transceivers  
10 Gb Fibre Channel transceivers  
10 Gb Ethernet optical transceivers  
SFP+/XFP/X2/XENPAK/XPAK/MSA 300 optical modules  
The product is available in a space-saving 3 mm × 3 mm LFCSP  
specified from −40°C to +85°C.  
FUNCTIONAL BLOCK DIAGRAM  
VCC  
CPA  
ALS  
VCC  
ADN2526  
VCC  
IMODP  
IMODN  
50  
50Ω  
50Ω  
IMOD  
VCC  
GND  
DATAP  
DATAN  
CROSS  
POINT  
ADJUST  
IBMON  
IBIAS  
800Ω  
800Ω  
200Ω  
200Ω  
200Ω  
2Ω  
MSET  
VEE  
BSET  
Figure 1.  
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, 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 registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2009 Analog Devices, Inc. All rights reserved.  
 
 
 
 

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