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LTC487IS PDF预览

LTC487IS

更新时间: 2024-02-22 12:27:42
品牌 Logo 应用领域
凌特 - Linear 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
8页 227K
描述
Quad Low Power RS485 Driver

LTC487IS 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:PLASTIC, SOL-16
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.07Is Samacsys:N
差分输出:YES驱动器位数:4
高电平输入电流最大值:0.000002 A输入特性:STANDARD
接口集成电路类型:LINE TRANSCEIVER接口标准:EIA-422; EIA-485
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:10.3 mm功能数量:4
端子数量:16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
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):245电源:5 V
认证状态:Not Qualified最大接收延迟:
座面最大高度:2.65 mm子类别:Line Driver or Receivers
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:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)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最大传输延迟:50 ns
宽度:7.5 mmBase Number Matches:1

LTC487IS 数据手册

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LTC487  
Quad Low Power  
RS485 Driver  
U
DESCRIPTIO  
EATURE  
Very Low Power: ICC = 110µA Typ  
Designed for RS485 or RS422 Applications  
Single 5V Supply  
S
F
The LTC487® is a low power differential bus/line driver  
designedformultipointdatatransmissionstandardRS485  
applications with extended common-mode range (7V to  
12V). It also meets RS422 requirements.  
7V to 12V Bus Common-Mode Range Permits  
±7V GND Difference Between Devices on the Bus  
Thermal Shutdown Protection  
Power-Up/Down Glitch-Free Driver Outputs Permit  
Live Insertion/Removal of Package  
Driver Maintains High Impedance in Three-State or  
with the Power Off  
28ns Typical Driver Propagation Delays with  
5ns Skew  
Pin Compatible with the SN75174, DS96174,  
µA96174, and DS96F174  
TheCMOSdesignofferssignificantpowersavingsoverits  
bipolarcounterpartwithoutsacrificingruggednessagainst  
overload or ESD damage.  
The driver features three-state outputs, with the driver  
outputs maintaining high impedance over the entire com-  
mon-mode range. Excessive power dissipation caused by  
bus contention or faults is prevented by a thermal shut-  
down circuit which forces the driver outputs into a high  
impedance state.  
O U  
Both AC and DC specifications are guaranteed from 0°C to  
70°C (Commercial), 40°C to 85°C (Industrial) and over  
the 4.75V to 5.25V supply voltage range.  
PPLICATI  
S
A
Low Power RS485/RS422 Drivers  
Level Translator  
and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation.  
U
O
TYPICAL APPLICATI  
RS485 Cable Length Specification*  
10k  
EN 12  
EN 12  
4
4
1k  
2
2
1
1
3
120Ω  
120Ω  
DI  
DRIVER  
RECEIVER  
RO  
3
4000 FT BELDEN 9841  
100  
10  
1/4 LTC489  
1/4 LTC487  
LTC487 • TA01  
10k  
100k  
1M 2.5M  
10M  
DATA RATE (bps)  
LTC487 • TA09  
* APPLIES FOR 24 GAUGE, POLYETHYLENE  
DIELECTRIC TWISTED PAIR  
1

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