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LTC1481IS8#PBF

产品描述IC TXRX RS485 LOPWR W/SHTDN8SOIC
产品类别模拟混合信号IC    驱动程序和接口   
文件大小152KB,共8页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
下载文档 详细参数 选型对比 全文预览

LTC1481IS8#PBF概述

IC TXRX RS485 LOPWR W/SHTDN8SOIC

LTC1481IS8#PBF规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证符合
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 Codecompliant
ECCN代码EAR99
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-485
JESD-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)260
电源5 V
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
最大压摆率0.5 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30
最大传输延迟60 ns
宽度3.9 mm
Base Number Matches1

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LTC1481
Ultralow Power
RS485 Transceiver
with Shutdown
FEATURES
s
s
s
s
s
s
s
DESCRIPTIO
s
s
s
s
s
s
Low Power: I
CC
= 120µA Max with Driver Disabled
Drivers/Receivers Have
±10kV
ESD Protection
1µA Quiescent Current in Shutdown Mode
High Speed: Up to 2.5Mbits/s Data Rate
I
CC
= 500µA Max with Driver Enabled, No Load
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
Up to 32 Transceivers on the Bus
30ns Typical Driver Propagation Delays
with 5ns Skew
Pin Compatible with the LTC485
The LTC
®
1481 is an ultralow power differential line trans-
ceiver designed for data transmission standard RS485
applications. It will also meet the requirements of RS422.
The CMOS design offers significant power savings over its
bipolar counterparts without sacrificing ruggedness against
overload or ESD damage. Typical quiescent current is only
80µA while operating and less than 1µA in shutdown.
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 LTC1481 is fully specified over the commercial and
extended industrial temperature range and is available in
8-pin 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
RO1
RE1
DE1
DI1
D
R
V
CC1
Supply Current vs Temperature
350
300
SUPPLY CURRENT (µA)
Rt
250
DRIVER ENABLED
200
150
100
50
DRIVER DISABLED
THERMAL SHUTDOWN
WITH DRIVER ENABLED
GND1
Rt
RO2
RE2
DE2
DI2
D
GND2
LTC1481 • TA01
R
V
CC2
0
–50 –25
U
0
25 50 75 100 125 150 175
TEMPERATURE (°C)
1481 TA02
U
U
1481fa
1

LTC1481IS8#PBF相似产品对比

LTC1481IS8#PBF LTC1481CS8#TR LTC1481IS8#TR LTC1481CN8#PBF LTC1481CS8#TRPBF LTC1481CS8#PBF LTC1481IS8#TRPBF LTC1481IN8#PBF
描述 IC TXRX RS485 LOPWR W/SHTDN8SOIC IC txrx rs485 shtdn ult LP 8soic IC txrx rs485 shtdn ult LP 8soic IC TXRX RS485 LOWPWR W/SHTDN8DIP IC TXRX RS485 LOPWR W/SHTDN8SOIC IC TXRX RS485 LOPWR W/SHTDN8SOIC IC TXRX RS485 LOPWR W/SHTDN8SOIC IC TXRX RS485 LOWPWR W/SHTDN8DIP
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
是否Rohs认证 符合 不符合 不符合 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 )
零件包装代码 SOIC SOIC SOIC DIP SOIC SOIC SOIC DIP
包装说明 SOP, SOP8,.25 SOP, SOP, DIP, DIP8,.3 SOP, SOP, SOP8,.25 SOP, DIP, DIP8,.3
针数 8 8 8 8 8 8 8 8
制造商包装代码 S8 S8 S8 N S8 S8 S8 N
Reach Compliance Code compliant compliant not_compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
其他特性 COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN
差分输出 YES YES YES YES YES YES YES YES
驱动器位数 2 2 2 2 2 2 2 2
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
接口集成电路类型 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
JESD-30 代码 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDIP-T8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDIP-T8
JESD-609代码 e3 e0 e0 e3 e3 e3 e3 e3
湿度敏感等级 1 1 1 1 1 1 1 1
功能数量 2 2 2 2 2 2 2 2
端子数量 8 8 8 8 8 8 8 8
最高工作温度 85 °C 70 °C 85 °C 70 °C 70 °C 70 °C 85 °C 85 °C
输出特性 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE
输出极性 COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 SOP SOP SOP DIP SOP SOP SOP DIP
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE IN-LINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE IN-LINE
峰值回流温度(摄氏度) 260 255 255 NOT SPECIFIED 250 260 250 NOT SPECIFIED
认证状态 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
接收器位数 2 2 2 2 2 2 2 2
座面最大高度 1.75 mm 1.75 mm 1.75 mm 3.809 mm 1.75 mm 1.75 mm 1.75 mm 3.809 mm
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
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
标称供电电压 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
表面贴装 YES YES YES NO YES YES YES NO
技术 CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 INDUSTRIAL COMMERCIAL INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL
端子面层 Matte Tin (Sn) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) 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 THROUGH-HOLE GULL WING GULL WING GULL WING THROUGH-HOLE
端子节距 1.27 mm 1.27 mm 1.27 mm 2.54 mm 1.27 mm 1.27 mm 1.27 mm 2.54 mm
端子位置 DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 30 40 40 NOT SPECIFIED NOT SPECIFIED 30 NOT SPECIFIED NOT SPECIFIED
最大传输延迟 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns 60 ns
宽度 3.9 mm 3.9 mm 3.9 mm 7.62 mm 3.9 mm 3.9 mm 3.9 mm 7.62 mm
Base Number Matches 1 1 1 1 1 1 1 1
长度 4.9 mm 4.9 mm 4.9 mm - 4.9 mm 4.9 mm 4.9 mm -
最大压摆率 0.5 mA - 0.5 mA 0.5 mA - 0.5 mA 0.5 mA 0.5 mA
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