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ADN2873ACPZ

更新时间： 2024-01-02 22:00:50
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
20页 624K
描述
3.3 V, 50 Mbps to 4.25 Gbps, Single-Loop, Laser Diode Driver

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ADN2873ACPZ 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC24,.16SQ,20针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.41
接口集成电路类型：INTERFACE CIRCUITJESD-30 代码：S-XQCC-N24
JESD-609代码：e3长度：4 mm
功能数量：1端子数量：24
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
封装等效代码：LCC24,.16SQ,20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）：NOT SPECIFIED
电源：3.3 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Display Drivers
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 (Sn)
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：4 mmBase Number Matches：1

ADN2873ACPZ 数据手册

 浏览型号ADN2873ACPZ的Datasheet PDF文件第2页浏览型号ADN2873ACPZ的Datasheet PDF文件第3页浏览型号ADN2873ACPZ的Datasheet PDF文件第4页浏览型号ADN2873ACPZ的Datasheet PDF文件第5页浏览型号ADN2873ACPZ的Datasheet PDF文件第6页浏览型号ADN2873ACPZ的Datasheet PDF文件第7页 
3.3 V, 50 Mbps to 4.25 Gbps,  
Single-Loop, Laser Diode Driver  
ADN2873  
FEATURES  
GENERAL DESCRIPTION  
SFP/SFF and SFF-8472 MSA compliant  
SFP reference design available  
50 Mbps to 4.25 Gbps operation  
Automatic average power control  
Typical 60 ps output rise/fall time  
VCSEL, DFB, and FP laser support  
Bias current range: from 2 mA to 100 mA  
Modulation current range: from 5 mA to 90 mA  
Laser fail alarm and automatic laser shutdown (ALS)  
Bias and modulation current monitoring  
Voltage setpoint control  
Like the ADN2870, the ADN2873 laser diode driver (LDD) is  
designed for advanced SFP and SFF modules, using SFF-8472  
digital diagnostics. The ADN2873 supports NRZ data  
transmission operation from 50 Mbps up to 4.25 Gbps. With a  
new alarm scheme, this device avoids the shutdown issue  
caused by the system transient generated from various lasers.  
The ADN2873 monitors the laser bias and modulation currents  
and it provides fail alarms and ALS. Using setup voltages of a  
microcontroller DAC or a trimmable resistor voltage divider,  
the ADN2873 can set up a laser optical average output power and  
extinction ratio. The optical average power control loop consists  
of an optical feedback from a photodiode, the comparator, and a  
status holder. The ADN2873 works easily with the Analog  
Devices, Inc., ADuC7019/ADuC702x family of MicroConverter®  
devices and with the ADN289x family of limiting amplifiers to  
make a complete SFP/SFF transceiver chipset solution.  
Resistor setpoint control  
3.3 V supply  
24-lead 4 mm × 4 mm LFCSP  
Pin compatible with ADN2870  
APPLICATIONS  
The ADN2873 is pin compatible with the ADN2870 dual-loop  
LDD, allowing the same design to work with either device. For  
dual-loop control applications, refer to the ADN2870 data sheet.  
1×/2×/4× Fibre Channel SFP/SFF modules  
Multirate OC3 to OC48-FEC SFP/SFF modules  
LX-4 modules  
DWDM/CWDM laser transmitters  
HDTV (SMPTE family) laser transmitters  
The product is available in a space-saving 24-lead, 4 mm × 4 mm  
LFCSP specified over the −40°C to +85°C temperature range.  
Figure 1 shows an application diagram of the voltage setpoint  
control with single-ended laser interface. Figure 36 shows a  
differential laser interface.  
APPLICATIONS DIAGRAM  
V
CC  
V
V
CC  
L
CC  
V
CC  
Tx_DISABLE  
Tx_FAULT  
FAIL  
ALS  
IMODN  
LASER  
R
V
CC  
IMODP  
MPD  
DATAP  
DATAN  
PAVSET  
ANALOG DEVICES  
MICROCONTROLLER  
100Ω  
V
CC  
CONTROL  
PAVREF  
RPAV  
R
DAC  
ADC  
Z
IBIAS  
×100  
IMOD  
1kΩ  
GND  
CCBIAS  
ERREF  
ERSET  
DAC  
ADN2873  
1kΩ  
GND  
IBMON  
IMMON  
PAVCAP  
NC  
VCC GND  
GND  
1kΩ  
470Ω  
GND  
GND  
Figure 1.  
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, 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  
©2008 Analog Devices, Inc. All rights reserved.  
 
 
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