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Datasheet > 驱动程序和接口 > 线路驱动器或接收器> LT1785CN8#TRPBF
LT1785CN8#TRPBF PDF预览

LT1785CN8#TRPBF

更新时间： 2024-09-26 13:09:35
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
页数 文件大小 规格书
12页 199K
描述
IC LINE TRANSCEIVER, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, DIP-8, Line Driver or Receiver

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中文翻译

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LT1785CN8#TRPBF 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Transferred零件包装代码：DIP
包装说明：DIP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.04
Is 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-485
JESD-30 代码：R-PDIP-T8JESD-609代码：e3
功能数量：1端子数量：8
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：250认证状态：Not Qualified
最大接收延迟：900 ns接收器位数：1
座面最大高度：3.937 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：NO技术：BIPOLAR
温度等级：COMMERCIAL端子面层：MATTE TIN
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：2000 ns宽度：7.62 mm
Base Number Matches：1

LT1785CN8#TRPBF 数据手册

 浏览型号LT1785CN8#TRPBF的Datasheet PDF文件第2页浏览型号LT1785CN8#TRPBF的Datasheet PDF文件第3页浏览型号LT1785CN8#TRPBF的Datasheet PDF文件第4页浏览型号LT1785CN8#TRPBF的Datasheet PDF文件第5页浏览型号LT1785CN8#TRPBF的Datasheet PDF文件第6页浏览型号LT1785CN8#TRPBF的Datasheet PDF文件第7页 
LT1785/LT1785A  
LT1791/LT1791A  
60V Fault Protected  
RS485/RS422 Transceivers  
FEATURES  
DESCRIPTIO  
The LT®1785/LT1791 are half-duplex and full-duplex dif-  
ferential bus transceivers for RS485 and RS422 applica-  
tions which feature on-chip protection from overvoltage  
faults on the data transmission lines. Receiver input and  
driver output pins can withstand voltage faults up to ±60V  
with respect to ground with no damage to the device.  
Faultsmayoccurwhilethetransceiverisactive,shutdown  
or powered off.  
■
Protected from Overvoltage Line Faults to  
±
60V  
■
Pin Compatible with LTC485 and LTC491  
■
High Input Impedance Supports Up to 128 Nodes  
No Damage or Latchup to ESD  
■
IEC-1000-4-2 Level 4: ±15kV Air Discharge  
IEC-1000-4-2 Level 2: ±4kV Contact Discharge  
Controlled Slew Rates for EMI Emissions Control  
Guaranteed High Receiver Output State for Floating,  
Shorted or Inactive Inputs  
Outputs Assume a High Impedance When Off or  
Powered Down  
Drives Low Cost, Low Impedance Cables  
Short-Circuit Protection on All Outputs  
Thermal Shutdown Protection  
■
■
Dataratesto250kbaudonnetworksofupto128nodesare  
supported. Controlled slew rates on the driver outputs  
control EMI emissions and improve data transmission  
integrityonimproperlyterminatedlines.Driversarespeci-  
fied to operate with inexpensive cables as low as 72Ω  
characteristic impedance.  
■
■
■
■
U
APPLICATIO S  
The LT1785A/LT1791A devices have “fail-safe” receiver  
inputs to guarantee a receiver output high for shorted,  
open or inactive data lines. On-chip ESD protection elimi-  
nates need for external protection devices.  
■
Industrial Control Data Networks  
■
CAN Bus Applications  
■
HVAC Controls  
The LT1785/LT1785A are available in 8-lead DIP and SO  
packagesand theLT1791/LT1791Ain14-leadDIPandSO  
packages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Normal Operation Waveforms at 250kBaud  
V
CC1  
RO1  
RX  
RE1  
DE1  
R
TERM  
LT1785  
RO  
DI1  
TX  
GND1  
Y-Z  
V
CC2  
RO2  
RX  
RE2  
DE2  
DI  
R
TERM  
LT1785  
DI2  
TX  
1785/91 TA02  
GND2  
1785/91 TA01  
1
1234567...12

中文翻译

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