电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

LTC1484CS8#TR

产品描述IC txrx rs485 LP failsafe 8soic
产品类别模拟混合信号IC    驱动程序和接口   
文件大小222KB,共16页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
下载文档 详细参数 选型对比 全文预览

LTC1484CS8#TR概述

IC txrx rs485 LP failsafe 8soic

LTC1484CS8#TR规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证不符合
厂商名称Linear ( ADI )
零件包装代码SOIC
包装说明SOP, SOP8,.25
针数8
制造商包装代码S8
Reach Compliance Codenot_compliant
ECCN代码EAR99
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-PDSO-G8
JESD-609代码e0
长度4.9 mm
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SOP
封装等效代码SOP8,.25
封装形状RECTANGULAR
封装形式SMALL OUTLINE
峰值回流温度(摄氏度)255
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1.75 mm
最大压摆率0.9 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YES
技术CMOS
温度等级COMMERCIAL
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40
最大传输延迟60 ns
宽度3.9 mm
Base Number Matches1

文档预览

下载PDF文档
LTC1484
Low Power
RS485 Transceiver
with Receiver Fail-Safe
FEATURES
s
DESCRIPTIO
s
s
s
s
s
s
s
s
s
s
s
No Damage or Latchup to
±
15kV ESD (Human
Body Model), IEC-1000-4-2 Level 4 Contact (
±
8kV)
and Level 3 (
±
8kV) Air Gap Specifications
Guaranteed High Receiver Output State for Floating,
Shorted or Terminated Inputs with No Signal
Present
Drives Low Cost Residential Telephone Wires
Low Power: I
CC
= 700µA Max with Driver Disabled
I
CC
= 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
Pin Compatible with the LTC485
Available in 8-Lead
MSOP,
PDIP and SO Packages
The LTC
®
1484 is a low power RS485 compatible trans-
ceiver. In receiver mode, it offers a fail-safe feature which
guarantees a high receiver output state when the inputs
are left open, shorted together or terminated with no
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.
The LTC1484 is fully specified over the commercial and
industrial temperature ranges and is available in 8-lead
MSOP, PDIP and SO packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
Battery-Powered RS485/RS422 Applications
Low Power RS485/RS422 Transceiver
Level Translator
TYPICAL APPLICATIO
RS485 Interface
LTC1484
RO1
RE1
DE1
D
DI1
GND1
GND2
1484 TA01
LTC1484
V
CC1
V
CC2
B2
120Ω
120Ω
A2
D
R
RO2
RE2
DE2
DI2
B1
A1
Dl1
R
B2
A2
RO2
Dl1
↑↓
Dl2 = 0
RE1 = RE2 = 0
U
Driving a 2000 Foot STP Cable
DE1 = V
CC
DE2 = 0
1484 TA01a
U
U
1

LTC1484CS8#TR相似产品对比

LTC1484CS8#TR LTC1484CMS8#TR LTC1484CS8#TRPBF LTC1484IS8#TRPBF LTC1484CS8#PBF LTC1484IS8#PBF LTC1484CN8#PBF LTC1484CMS8#PBF LTC1484IN8#PBF LTC1484CMS8#TRPBF
描述 IC txrx rs485 LP failsafe 8soic IC txrx rs485 LP failsafe 8msop IC TXRX RS485 LOWPWR 8-SOIC IC TXRX RS485 LOWPWR 8-SOIC IC TXRX RS485 LOWPWR 8-SOIC IC TXRX RS485 LOWPWR 8-SOIC IC TXRX RS485 LOWPWR 8-DIP IC TXRX RS485 LOWPWR 8-MSOP IC TXRX RS485 LOWPWR 8-DIP IC TXRX RS485 LOWPWR 8-MSOP
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
是否Rohs认证 不符合 不符合 符合 符合 符合 符合 符合 符合 符合 符合
厂商名称 Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
零件包装代码 SOIC MSOP SOIC SOIC SOIC SOIC DIP MSOP DIP MSOP
包装说明 SOP, SOP8,.25 TSSOP, TSSOP8,.19 SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 DIP, DIP8,.3 TSSOP, TSSOP8,.19 DIP, DIP8,.3 TSSOP, TSSOP8,.19
针数 8 8 8 8 8 8 8 8 8 8
制造商包装代码 S8 MS8 S8 S8 S8 S8 N MS8 N MS8
Reach Compliance Code not_compliant not_compliant compliant compliant compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
差分输出 YES YES YES YES YES YES YES YES YES YES
驱动器位数 1 1 1 1 1 1 1 1 1 1
输入特性 DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型 LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER LINE TRANSCEIVER
接口标准 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485 EIA-422; EIA-485
JESD-30 代码 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDIP-T8 S-PDSO-G8 R-PDIP-T8 R-PDSO-G8
JESD-609代码 e0 e0 e3 e3 e3 e3 e3 e3 e3 e3
湿度敏感等级 1 1 1 1 1 1 1 1 1 1
功能数量 1 1 1 1 1 1 1 1 1 1
端子数量 8 8 8 8 8 8 8 8 8 8
最高工作温度 70 °C 70 °C 70 °C 85 °C 70 °C 85 °C 70 °C 70 °C 85 °C 70 °C
最小输出摆幅 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V
最大输出低电流 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A 0.004 A
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 SOP TSSOP SOP SOP SOP SOP DIP TSSOP DIP TSSOP
封装等效代码 SOP8,.25 TSSOP8,.19 SOP8,.25 SOP8,.25 SOP8,.25 SOP8,.25 DIP8,.3 TSSOP8,.19 DIP8,.3 TSSOP8,.19
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR SQUARE RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE IN-LINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH IN-LINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度) 255 235 250 250 260 260 NOT SPECIFIED 260 NOT SPECIFIED 260
电源 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
最大接收延迟 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns 200 ns
接收器位数 1 1 1 1 1 1 1 1 1 1
座面最大高度 1.75 mm 1.17 mm 1.75 mm 1.75 mm 1.75 mm 1.75 mm 3.937 mm 1.1 mm 3.937 mm 1.17 mm
最大压摆率 0.9 mA 0.9 mA 0.9 mA 0.9 mA 0.7 mA 0.9 mA 0.7 mA 0.7 mA 0.9 mA 0.9 mA
最大供电电压 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V 5.25 V
最小供电电压 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V 4.75 V
标称供电电压 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
表面贴装 YES YES YES YES YES YES NO YES NO YES
技术 CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL COMMERCIAL COMMERCIAL INDUSTRIAL COMMERCIAL
端子面层 Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING THROUGH-HOLE GULL WING THROUGH-HOLE GULL WING
端子节距 1.27 mm 0.65 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 2.54 mm 0.65 mm 2.54 mm 0.65 mm
端子位置 DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 40 20 NOT SPECIFIED NOT SPECIFIED 30 30 NOT SPECIFIED 30 NOT SPECIFIED 30
最大传输延迟 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns
宽度 3.9 mm 3 mm 3.9 mm 3.9 mm 3.9 mm 3.9 mm 7.62 mm 3 mm 7.62 mm 3 mm
Base Number Matches 1 1 1 1 1 1 1 1 1 1
长度 4.9 mm 3 mm 4.9 mm 4.9 mm 4.9 mm 4.9 mm - 3 mm - 3 mm
C语言编程习惯和修养
感觉很好的书,希望对大家有帮助!...
唯美洲 51单片机
请教ppp、socket、PDP之间的关系?
请教ppp、socket、PDP之间的关系...
qianlongwuyong 嵌入式系统
温度变送器硬件框架及原理图
本帖最后由 蓝色天使 于 2022-9-14 22:17 编辑 一、硬件架构部分: 最近详细阅读ADUCM360数据手册发现MCU的部分IO口可以配置成可编程激励电流源形式输出。这样可以大大简化复杂精密电流源 ......
蓝色天使 DigiKey得捷技术专区
zigbee网络注册的问题
刚开始搞zigbee,现在有一个疑问,请教大家。 在计算机网路中, 路由器自动分配ip,路由器中会有一个已分配ip列表。那么在zigbee网络中,设备注册网络之后,在协调器里面是否也有一个类似的列表 ......
wcg 嵌入式系统
DSP 实例视频教程 免费下载
DSP5509实例视频教程,欢迎大家免费下载。 电驴下载地址:http://www.verycd.com/topics/2788098/ QQ中转站下载:QQ号码1428853820 ,密码weierda DSP5509开发板视频教程目录 第一 ......
weierdadz DSP 与 ARM 处理器
wince 控制面板->电源属性->方案中的‘用户空闲’、‘系统空闲’、‘切换状态为挂起’,操作无效
如题,对这三个状态切换进行操作时,没有效果,请问高手是怎么回事呢?操作它们与什么驱动相关呢,我该怎么处理呢? 紧急求助啦.......
雪莱 嵌入式系统

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 171  2919  2650  708  638  4  59  54  15  13 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved