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LTC485IS8 PDF预览

LTC485IS8

更新时间: 2024-11-10 22:49:55
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
12页 329K
描述
Low Power RS485 Interface Transceiver

LTC485IS8 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SOIC包装说明:0.150 INCH, PLASTIC, SOIC-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.03其他特性:COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN
差分输出:YES驱动器位数:1
高电平输入电流最大值:0.000002 A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-G8JESD-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: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
最大输出低电流:0.004 A输出极性:COMPLEMENTARY
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):235
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子类别:Line Driver or Receivers
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: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:20
最大传输延迟:50 ns宽度:3.9 mm
Base Number Matches:1

LTC485IS8 数据手册

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LTC485  
Low Power RS485  
Interface Transceiver  
U
DESCRIPTIO  
EATURE  
S
F
Low Power: ICC = 300µA Typ  
Designed for RS485 Interface Applications  
Single 5V supply  
7V to 12V Bus Common-Mode Range Permits  
±7V Ground Difference Between Devices on the Bus  
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  
Combined Impedance of a Driver Output and  
Receiver Allows Up to 32 Transceivers on the Bus  
70mV Typical Input Hysteresis  
30ns Typical Driver Propagation Delays  
with 5ns Skew  
Pin Compatible with the SN75176A, DS75176A  
and µA96176  
TheLTC485isalowpowerdifferentialbus/linetransceiver  
designedformultipointdatatransmissionstandardRS485  
applications with extended common-mode range (12V to  
7V). It also meets the requirements of RS422.  
TheCMOSdesignofferssignificantpowersavingsoverits  
bipolarcounterpartwithoutsacrificingruggednessagainst  
overload of ESD damage.  
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.  
The LTC485 is fully specified over the commercial and  
extended industrial temperature range.  
O U  
PPLICATI  
S
A
Low Power RS485/RS422 Transceiver  
Level Translator  
U
O
TYPICAL APPLICATI  
Driver Outputs  
RO1  
RE1  
DE1  
DI1  
V
CC1  
R
A
Rt  
Rt  
D
GND1  
RO2  
RE2  
DE2  
DI2  
V
CC2  
R
B
D
GND2  
LTC485 • TA01  
LTC485 • TA02  
1

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