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LTC1484CN8 PDF预览

LTC1484CN8

更新时间： 2024-09-30 22:57:35
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
16页 277K
描述
Low Power RS485 Transceiver with Receiver Fail-Safe

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中文翻译

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LTC1484CN8 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.23Is Samacsys：N
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-485JESD-30 代码：R-PDIP-T8
JESD-609代码：e0湿度敏感等级：1
功能数量：1端子数量：8
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：0.004 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）：NOT SPECIFIED
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：3.937 mm子类别：Line Driver or Receivers
最大压摆率：0.7 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技术：CMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
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：60 ns宽度：7.62 mm
Base Number Matches：1

LTC1484CN8 数据手册

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LTC1484  
Low Power  
RS485 Transceiver  
with Receiver Fail-Safe  
U
DESCRIPTIO  
FEATURES  
The LTC®1484 is a low power RS485 compatible trans-  
ceiver. Inreceivermode, itoffersafail-safefeaturewhich  
guarantees a high receiver output state when the inputs  
■
No Damage or Latchup to  
Body Model), IEC-1000-4-2 Level 4 Contact (±8kV)  
±
15kV ESD (Human  
and Level 3 (±8kV) Air Gap Specifications  
■
Guaranteed High Receiver Output State for Floating, are left open, shorted together or terminated with no  
Shorted or Terminated Inputs with No Signal  
Present  
Drives Low Cost Residential Telephone Wires  
Low Power: ICC = 700µA Max with Driver Disabled  
ICC = 900µA Max for Driver Enable with No Load  
20µA Max Quiescent Current in Shutdown Mode  
Single 5V Supply  
–7V to 12V Common Mode Range Permits ±7V  
Ground Difference Between Devices on the Data Line  
Power Up/Down Glitch-Free Driver Outputs  
Up to 32 Transceivers on the Bus  
signal present. No external components are required to  
ensure the high receiver output state.  
■
■
■
■
■
■
Both driver and receiver feature three-state outputs with  
separate receiver and driver control pins. The driver  
outputs maintain high impedance over the entire com-  
mon mode range when three-stated. Excessive power  
dissipation caused by bus contention or faults is pre-  
vented by a thermal shutdown circuit that forces the  
driver outputs into a high impedance state.  
■
■
■
■
Enhanced ESD protection allows the LTC1484 to with-  
stand ±15kV (human body model), IEC-1000-4-2 level 4  
(±8kV) contact and level 3 (±8kV) air discharge ESD  
without latchup or damage.  
Pin Compatible with the LTC485  
Available in 8-Lead MSOP, PDIP and SO Packages  
U
The LTC1484 is fully specified over the commercial and  
industrial temperature ranges and is available in 8-lead  
MSOP, PDIP and SO packages.  
APPLICATIO S  
■
Battery-Powered RS485/RS422 Applications  
■
Low Power RS485/RS422 Transceiver  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
■
Level Translator  
U
TYPICAL APPLICATIO  
Driving a 2000 Foot STP Cable  
RS485 Interface  
Dl1  
LTC1484  
R
LTC1484  
RO2  
RE2  
DE2  
DI2  
RO1  
RE1  
DE1  
DI1  
V
V
CC2  
CC1  
B1  
A1  
B2  
A2  
R
B2  
A2  
120Ω  
GND1  
120Ω  
D
D
GND2  
RO2  
1484 TA01  
Dl1 ↑↓  
Dl2 = 0  
DE1 = VCC  
DE2 = 0  
1484 TA01a  
RE1 = RE2 = 0  
1
1234567...16

中文翻译

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