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ONET4291VARGPTG4

更新时间： 2024-01-24 01:10:48
品牌 Logo 应用领域
德州仪器 - TI 驱动器驱动程序和接口接口集成电路PC
页数 文件大小 规格书
23页 981K
描述
1 GBPS TO 4.25 GBPS MULTI-RATE VCSEL DRIVER

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ONET4291VARGPTG4 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：QFN
包装说明：4 X 4 MM, 0.50 MM PITCH, GREEN, PLASTIC, QFN-20针数：20
Reach Compliance Code：unknown风险等级：5.32
Samacsys Confidence：Samacsys Status：Released
Samacsys PartID：606562Samacsys Pin Count：21
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Other
Samacsys Footprint Name：QFN50P400X400X100-21NSamacsys Released Date：2017-01-12 12:59:53
Is Samacsys：N接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：S-PQCC-N20JESD-609代码：e4
长度：4 mm湿度敏感等级：2
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC20,.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）：260
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：2.9 V
标称供电电压：3.3 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
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

ONET4291VARGPTG4 数据手册

 浏览型号ONET4291VARGPTG4的Datasheet PDF文件第2页浏览型号ONET4291VARGPTG4的Datasheet PDF文件第3页浏览型号ONET4291VARGPTG4的Datasheet PDF文件第4页浏览型号ONET4291VARGPTG4的Datasheet PDF文件第5页浏览型号ONET4291VARGPTG4的Datasheet PDF文件第6页浏览型号ONET4291VARGPTG4的Datasheet PDF文件第7页 
ONET4291VA  
www.ti.com  
SLLS674–SEPTEMBER 2005  
1 GBPS TO 4.25 GBPS MULTI-RATE VCSEL DRIVER  
FEATURES  
•
•
Operating Temperature –40°C to 85°C  
•
Multi-Rate Operation from 1 Gbps Up  
To 4.25 Gbps  
Small Footprint Surface Mount 4 mm × 4 mm,  
20-Pin QFN Package  
•
•
•
•
•
2-Wire Digital Interface  
APPLICATIONS  
Digitally Selectable Modulation Current  
Digitally Selectable Bias Current  
Automatic Power Control (APC) Loop  
•
Multirate SFP/SFF Modules  
•
1.0625 Gbps, 2.125 Gbps, and 4.25 Gbps Fibre  
Channel Transmitters  
Supports Transceiver Management  
System (TMS)  
•
Gigabit Ethernet Transmitters  
•
•
•
Includes Laser Safety Features  
Analog Temperature Sensor Output  
Single 3.3-V Supply  
DESCRIPTION  
The ONET4291VA is a versatile high-speed multi-rate VCSEL driver for fiber optic applications with data rates up  
to 4.25 Gbps.  
The device provides a 2-wire interface which allows digital control of the modulation and bias currents,  
eliminating the need for of external components.  
The ONET4291VA includes an integrated automatic power control loop as well as circuitry to support laser safety  
and transceiver management systems.  
The part is available in a small footprint 4 mm × 4 mm 20-pin QFN package and it requires a single 3.3-V supply.  
This power efficient multi-rate VCSEL driver is characterized for operation from –40°C to 85°C ambient  
temperature.  
BLOCK DIAGRAM  
A simplified block diagram of the ONET4291VA is shown in Figure 1.  
This compact, low power 1-Gbps to 4.25-Gbps multi-rate VCSEL driver consists of a high-speed current  
modulator, a modulation current generator, power-on reset circuitry, a 2-wire interface and control logic block, a  
bias current generator and automatic power control loop, and an analog reference block.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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