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LTC1481CS8 PDF预览

LTC1481CS8

更新时间： 2024-01-16 07:56:56
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 221K
描述
Ultra-Low Power RS485 Transceiver with Shutdown

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LTC1481CS8 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOP,
针数：8Reach Compliance Code：compliant
风险等级：5.27其他特性：COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN
差分输出：YES驱动器位数：2
输入特性：DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-422; EIA-485JESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：1功能数量：2
端子数量：8最高工作温度：70 °C
最低工作温度：输出特性：3-STATE
输出极性：COMPLEMENTARY封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：250
认证状态：Not Qualified最大接收延迟：200 ns
接收器位数：2座面最大高度：1.75 mm
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：COMMERCIAL
端子面层：Matte Tin (Sn)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：60 ns
宽度：3.9 mm

LTC1481CS8 数据手册

 浏览型号LTC1481CS8的Datasheet PDF文件第2页浏览型号LTC1481CS8的Datasheet PDF文件第3页浏览型号LTC1481CS8的Datasheet PDF文件第4页浏览型号LTC1481CS8的Datasheet PDF文件第5页浏览型号LTC1481CS8的Datasheet PDF文件第6页浏览型号LTC1481CS8的Datasheet PDF文件第7页 
LTC1481  
Ultra-Low Power  
RS485 Transceiver  
with Shutdown  
U
DESCRIPTIO  
EATURE  
S
F
The LTC®1481 is an ultra-low power differential line trans-  
ceiver designed for data transmission standard RS485  
applications. It will also meet the requirements of RS422.  
TheCMOSdesignofferssignificantpowersavingsoverits  
bipolarcounterpartswithoutsacrificingruggednessagainst  
overloadorESDdamage. Typicalquiescentcurrentisonly  
80µA while operating and less than 1µA in shutdown.  
■
■
■
■
■
■
■
Low Power: ICC = 120µA Max with Driver Disabled  
ICC = 500µA Max with Driver Enabled, No Load  
Drivers/Receivers Have ±10kV ESD Protection  
1µA Quiescent Current in Shutdown Mode  
High Speed: Up to 2.5Mbits/s Data Rate  
Single 5V Supply  
–7V to 12V Common-Mode Range Permits ±7V  
Ground Difference Between Devices on the Data Line  
Thermal Shutdown Protection  
Power Up/Down Glitch-Free Driver Outputs Permit  
Live Insertion or Removal of Transceiver  
Driver Maintains High Impedance in Three-State  
or with the Power Off  
The driver and receiver feature three-state outputs, with  
the driver outputs maintaining high impedance over the  
entire common-mode range. Excessive power dissipation  
caused by bus contention or faults is prevented by a  
thermal shutdown circuit which forces the driver outputs  
into a high impedance state. The receiver has a fail-safe  
feature which guarantees a high output state when the  
inputs are left open.  
■
■
■
■
■
Up to 32 Transceivers on the Bus  
30ns Typical Driver Propagation Delays  
with 5ns Skew  
The LTC1481 is fully specified over the commercial and  
extended industrial temperature range and is available in  
8-pin DIP and SO packages.  
■
Pin Compatible with the LTC485  
O U  
PPLICATI  
S
A
■
■
■
Battery-Powered RS485/RS422 Applications  
Low Power RS485/RS422 Transceiver  
Level Translator  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
O
TYPICAL APPLICATI  
Supply Current vs Temperature  
350  
RO1  
RE1  
DE1  
DI1  
V
CC1  
THERMAL SHUTDOWN  
300  
R
WITH DRIVER ENABLED  
250  
Rt  
Rt  
DRIVER ENABLED  
200  
D
GND1  
150  
RO2  
RE2  
DE2  
DI2  
V
CC2  
R
100  
DRIVER DISABLED  
50  
D
GND2  
0
LTC1481 • TA01  
–50 –25  
0
25  
75 100 125 150 175  
50  
TEMPERATURE (°C)  
1481 TA02  
1
12345678

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