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SN65HVD1795

更新时间： 2024-11-21 06:12:51
品牌 Logo 应用领域
德州仪器 - TI 线路驱动器或接收器驱动程序和接口接口集成电路
页数 文件大小 规格书
15页 533K
描述
70-V Fault-Protected RS-485 Transceiver With Cable Invert

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SN65HVD1795 技术参数

生命周期：ObsoleteReach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84Is Samacsys：N
接口集成电路类型：LINE TRANSCEIVERBase Number Matches：1

SN65HVD1795 数据手册

 浏览型号SN65HVD1795的Datasheet PDF文件第2页浏览型号SN65HVD1795的Datasheet PDF文件第3页浏览型号SN65HVD1795的Datasheet PDF文件第4页浏览型号SN65HVD1795的Datasheet PDF文件第5页浏览型号SN65HVD1795的Datasheet PDF文件第6页浏览型号SN65HVD1795的Datasheet PDF文件第7页 
SN65HVD1794, SN65HVD1795  
SN65HVD1796  
www.ti.com ................................................................................................................................................................................................. SLLS935–AUGUST 2008  
70-V Fault-Protected RS-485 Transceiver With Cable Invert  
1
FEATURES  
•
Bus-Pin Fault Protection to > ±70 V  
•
•
Failsafe Receiver for Open-Circuit,  
Short-Circuit and Idle-Bus Conditions  
•
Cable Invert Function Allows Correction for  
Reversed Bus Pins  
Low Power Consumption  
•
•
Common-Mode Voltage Range (–20 V to 25 V)  
More Than Doubles TIA/EIA 485 Requirement  
–
ICC 5 mA Quiescent During Operation  
•
Power-Up, Power-Down Glitch-Free Operation  
Bus I/O Protection  
APPLICATIONS  
–
±16 kV JEDEC HBM Protection  
•
Designed for RS-485 and RS-422 Networks  
•
Reduced Unit Load for Up to 256 Nodes  
DESCRIPTION  
These devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring  
faults, connector failures, cable crushes, and tool mis-applications. They are also robust to ESD events, with high  
levels of protection to human-body model specifications.  
These devices combine a differential driver and a differential receiver, which operate from a single power supply.  
The driver differential outputs and the receiver differential inputs are connected internally to for a bus port  
suitable for half-duplex (two-wire bus) communication. A cable invert pin (INV) allows active correction of  
mis-wires that may occur during installation. Upon detecting communication errors, the user can apply a logic  
HIGH to the INV pin, effectively inverting the polarity of the differential bus port, thereby correcting for the  
reversed bus wires.  
These devices feature a wide common-mode voltage range, making them suitable for multi-point applications  
over long cable runs. These devices are characterized from –40°C to 105°C.  
INV Input Can Correct  
for Crossed Wires  
VFAULT up to 70 V  
PRODUCT SELECTION GUIDE  
PART NUMBER  
SN65HVD1794  
DUPLEX  
Half  
SIGNALING RATE  
115 kbps  
NODES  
Up to 256  
CABLE LENGTH  
1500 m  
SN65HVD1795 PREVIEW  
SN65HVD1796 PREVIEW  
Half  
1 Mbps  
Up to 256  
Up to 64  
150 m  
50 m  
Half  
10 Mbps  
For similar features with 3.3 V supply operation, see the SN65HVD1781 (SLLS877).  
1
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.  
UNLESS OTHERWISE NOTED this document contains  
Copyright © 2008, Texas Instruments Incorporated  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...15

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