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LMS485EINA/NOPB PDF预览

LMS485EINA/NOPB

更新时间： 2024-11-30 08:34:31
品牌 Logo 应用领域
德州仪器 - TI 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
13页 248K
描述
LINE TRANSCEIVER, PDIP8, DIP-8

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中文翻译

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LMS485EINA/NOPB 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：DIP
包装说明：DIP, DIP8,.3针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.82
差分输出：YES驱动器位数：1
高电平输入电流最大值：0.000002 A输入特性：DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型：LINE TRANSCEIVER接口标准：EIA-422; EIA-485
JESD-30 代码：R-PDIP-T8JESD-609代码：e3
长度：9.817 mm湿度敏感等级：1
功能数量：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：1.5 V最大输出低电流：0.004 A
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装等效代码：DIP8,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
最大接收延迟：200 ns接收器位数：1
座面最大高度：5.08 mm子类别：Line Driver or Receivers
最大压摆率：0.8 mA最大供电电压：5.25 V
最小供电电压：4.75 V标称供电电压：5 V
表面贴装：NO温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40最大传输延迟：80 ns
宽度：7.62 mm

LMS485EINA/NOPB 数据手册

 浏览型号LMS485EINA/NOPB的Datasheet PDF文件第2页浏览型号LMS485EINA/NOPB的Datasheet PDF文件第3页浏览型号LMS485EINA/NOPB的Datasheet PDF文件第4页浏览型号LMS485EINA/NOPB的Datasheet PDF文件第5页浏览型号LMS485EINA/NOPB的Datasheet PDF文件第6页浏览型号LMS485EINA/NOPB的Datasheet PDF文件第7页 
November 2003  
LMS485E  
Low Power RS-485 / RS-422 Differential Bus Transceiver  
General Description  
Features  
n Meet ANSI standard RS-485 and RS-422  
n Data rate 2.5 Mbps  
The LMS485E is a low power differential bus/line transceiver  
designed for high speed bidirectional data communication on  
multipoint bus transmission lines. It is designed for balanced  
transmission lines. It meets ANSI Standards TIA/EIA  
RS422-B, TIA/EIA RS485-A and ITU recommendation and  
V.11 and X.27. The driver outputs and receiver inputs have  
15kV ESD protection. The LMS485E combines a TRI-  
n Single supply voltage operation, 5V  
n Wide input and output voltage range  
n Thermal shutdown protection  
n Short circuit protection  
n Low quiescent current 800µA (max)  
n Allows up to 32 transceivers on the bus  
n Open circuit fail-safe for receiver  
n Extended operating temperature range −40˚C to 85˚C  
n Drop-in replacement to MAX485E  
n Available in 8-pin SOIC and 8-pin DIP packages  
™
STATE differential line driver and differential input receiver,  
both of which operate from a single 5.0V power supply. The  
driver and receiver have an active high and active low,  
respectively, that can be externally connected to function as  
a direction control. The driver outputs and receiver inputs are  
internally connected to form a differential input/output (I/O)  
bus port that is designed to offer minimum loading to bus  
whenever the driver is disabled or when VCC = 0V. These  
ports feature wide positive and negative common mode  
voltage ranges, making the device suitable for multipoint  
applications in noisy environments. The LMS485E is avail-  
able in 8-Pin SOIC and 8-pin DIP packages. It is a drop-in  
replacement to Maxim’s MAX485E.  
Applications  
n Low power RS-485 systems  
n Network hubs, bridges, and routers  
n Point of sales equipment (ATM, barcode scanners,…)  
n Local area networks (LAN)  
n Integrated service digital network (ISDN)  
n Industrial programmable logic controllers  
n High speed parallel and serial applications  
n Multipoint applications with noisy environment  
Typical Application  
20086601  
A typical multipoint application is shown in the above figure. Terminating resistor, RT are typically required but only located at the two ends of the cable.  
Pull-up and pull-down resistors maybe required at the end of the bus to provide fail-safe biasing. The biasing resistors provide a bias to the cable when all  
drivers are in TRI-STATE, See National Application Note, AN-847 for further information.  
© 2003 National Semiconductor Corporation  
DS200866  
www.national.com  
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