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ST491ACN PDF预览

ST491ACN

更新时间: 2024-10-31 22:38:39
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
12页 272K
描述
LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER

ST491ACN 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP14,.3
针数:14Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.84差分输出:YES
驱动器位数:1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-T14JESD-609代码:e3
功能数量:1端子数量:14
最高工作温度:70 °C最低工作温度:
最小输出摆幅:1.5 V最大输出低电流:0.008 A
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP14,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V认证状态:Not Qualified
最大接收延迟:30 ns接收器位数:1
座面最大高度:5.1 mm子类别:Line Driver or Receivers
最大压摆率:5 mA最大供电电压:5.5 V
最小供电电压:4.5 V标称供电电压:5 V
表面贴装:NO温度等级:COMMERCIAL
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:NOT SPECIFIED最大传输延迟:16 ns
宽度:7.62 mmBase Number Matches:1

ST491ACN 数据手册

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ST491A  
LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER  
LOW SUPPLY CURRENT: 5mA MAX  
DESIGNED FOR RS485 INTERFACE  
APPLICATIONS  
-7 TO 12 COMMON MODE INPUT VOLTAGE  
RANGE  
70mV TYPICAL INPUT HYSTERESIS  
DESIGNED FOR 25Mbps OPERATION  
OPERATE FROM SINGLE 5 SUPPLY  
±4kV ESD PROTECTION  
CURRENT LIMITING AND THERMAL  
SHUTDOWN FOR DRIVER OVERLOAD  
PROTECTION  
DIP  
SOP  
Driver is short-circuit current limited and is  
protected against excessive power dissipation by  
thermal shutdown circuitry that place the driver  
outputs into a high-impedance state. The receiver  
input has a fail-safe feature that guarantees a  
logic high output if both inputs are open circuit.  
DESCRIPTION  
The ST491A is a low power transceiver for  
RS-485 and RS-422 communications. The device  
contains one driver and one receiver in full duplex  
configuration. The ST491A draws 5mA (typ.) of  
supply current when unloaded and operates from  
a single 5V supply.  
ORDERING CODES  
Temperature  
Type  
Package  
Comments  
Range  
ST491ACN  
ST491ABN  
ST491ACD  
ST491ABD  
ST491ACDR  
ST491ABDR  
0 to 70 °C  
-40 to 85 °C  
0 to 70 °C  
DIP-14  
DIP-14  
25parts per tube / 40tube per box  
25parts per tube / 40tube per box  
SO-14 (Tube)  
SO-14 (Tube)  
50parts per tube / 20tube per box  
50parts per tube / 20tube per box  
2500 parts per reel  
-40 to 85 °C  
0 to 70 °C  
SO-14 (Tape & Reel)  
SO-14 (Tape & Reel)  
-40 to 85 °C  
2500 parts per reel  
July 2003  
1/12  

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