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XR3177EID PDF预览

XR3177EID

更新时间： 2025-08-31 12:26:11
品牌 Logo 应用领域
艾科嘉 - EXAR 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
24页 640K
描述
3.3V High Speed RS-485/RS-422 TRANSCEIVERS WITH 1/8 UNIT LOAD

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中文翻译

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XR3177EID 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.9
差分输出：YES驱动器位数：1
接口集成电路类型：LINE TRANSCEIVERJESD-30 代码：R-PDSO-G8
湿度敏感等级：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
最小输出摆幅：1.7 V最大输出低电流：0.008 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：225
电源：3.3 V认证状态：Not Qualified
最大接收延迟：子类别：Line Driver or Receivers
最大压摆率：0.95 mA标称供电电压：3.3 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

XR3177EID 数据手册

 浏览型号XR3177EID的Datasheet PDF文件第2页浏览型号XR3177EID的Datasheet PDF文件第3页浏览型号XR3177EID的Datasheet PDF文件第4页浏览型号XR3177EID的Datasheet PDF文件第5页浏览型号XR3177EID的Datasheet PDF文件第6页浏览型号XR3177EID的Datasheet PDF文件第7页 
XR3170E-3178E  
3.3V HIGH SPEED RS-485/RS-422 TRANSCEIVERS WITH 1/8th UNIT LOAD  
DECEMBER 2009  
REV. 1.0.0  
GENERAL DESCRIPTION  
FEATURES  
The XR3170E - XR3178E family of RS-485 devices  
are designed for reliable, bidirectional communication  
on multipoint bus transmission lines. Each device  
contains one differential driver and one differential  
receiver. XR3172E, XR3175E and XR3178E are half-  
duplex devices; other part numbers are full-duplex.  
All devices comply with TIA/EIA-485 and TIA/EIA-422  
standards. Lead free and RoHS compliant packages  
are available for all models.  
• 3.3V Single Supply Operation  
• High Speed 20Mbps Data Rate  
• Slew Rate Limited - 250kbps And 500kbps Data  
Rate  
th  
• 1/8 Unit Load, 256 Transceivers On Bus  
• Enhanced Failsafe For Receiver - Open, Short Or  
Terminated Lines  
These devices are ruggedized for use in harsh  
operating conditions over the entire common-mode  
voltage range from -7V to +12V. Receivers are  
specially designed to fail-safe to a logic high output  
state if the inputs are left un-driven or shorted. All RS-  
485 bus pins are protected against severe ESD  
events up to +/-15kV (Air-Gap and Human Body  
Model) and up to +/-8kV Contact Discharge (IEC  
61000-4-2). Drivers are protected from excess  
current flow caused by bus contention or output  
short-circuits by both an internal current limit and a  
thermal-overload shutdown. Devices are rated for  
Industrial (-40 to +85°C) operating temperatures.  
Receivers have exceptionally high input impedance,  
• Robust ESD Protection For RS-485 Pins  
■ +/-15kV Air-Gap Discharge  
■ +/-15kV Human Body Model  
■ +/-8kV Contact Discharge  
• Hot Swap Glitch Protection  
• Driver Short Circuit Current Limit And Thermal  
Shutdown For Overload Protection  
• Ultra-Low 650uA Quiescent Current  
• 1µA Shutdown Mode  
• Industry Standard Package Footprints  
th  
which places only 1/8 the standard load on a shared  
bus. Up to 256 transceivers may coexist while  
preserving full signal margin.  
TYPICAL APPLICATIONS  
• Motor Control  
All devices operate from a single 3.3V power supply • Building Automation  
and draw negligible quiescent power. All versions  
• Security Systems  
except the XR3171E, XR3174E and XR3177E may  
independently enable and disable their driver and • Remote Utility Meter Reading  
receiver and enter a low power shutdown mode if  
• Long Or Un-Terminated Transmission Lines  
both driver and receiver are disabled. All outputs  
maintain high impedance in shutdown or when  
powered off.  
FIGURE 1. TYPICAL APPLICATION CIRCUIT  
DE  
DE  
XR3178E  
XR3178E  
B
B
A
DI  
DI  
STUB  
RT  
RT  
A
RO  
RO  
B
A
B
A
RE  
RE  
DE  
DE  
RE  
RE  
DI  
RO  
DI  
RO  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com  
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