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Datasheet > LTC1487CN8#PBF
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LTC1487CN8#PBF

更新时间： 2024-01-18 03:11:57
品牌 Logo 应用领域
凌特 - Linear 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
8页 177K
描述
LTC1487 - Ultra-Low Power RS485 with Low EMI, Shutdown and High Input Impedance; Package: PDIP; Pins: 8; Temperature Range: 0°C to 70°C

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中文翻译

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LTC1487CN8#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：DIP包装说明：0.300 INCH, LEAD FREE, PLASTIC, DIP-8
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：3.38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-PDIP-T8JESD-609代码：e3
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
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：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：250 ns
接收器位数：1座面最大高度：3.809 mm
子类别：Line Driver or Receivers最大压摆率：0.2 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：Matte Tin (Sn)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：1200 ns
宽度：7.62 mmBase Number Matches：1

LTC1487CN8#PBF 数据手册

 浏览型号LTC1487CN8#PBF的Datasheet PDF文件第2页浏览型号LTC1487CN8#PBF的Datasheet PDF文件第3页浏览型号LTC1487CN8#PBF的Datasheet PDF文件第4页浏览型号LTC1487CN8#PBF的Datasheet PDF文件第5页浏览型号LTC1487CN8#PBF的Datasheet PDF文件第6页浏览型号LTC1487CN8#PBF的Datasheet PDF文件第7页 
LTC1487  
Ultra-Low Power RS485  
with Low EMI, Shutdown  
and High Input Impedance  
U
DESCRIPTIO  
EATURE  
High Input Impedance: Up to 256 Transceivers  
on the Bus  
S
F
The LTC®1487 is an ultra-low power differential line trans-  
ceiverdesignedwithhighimpedanceinputsallowingupto  
256 transceivers to share a single bus. It meets the  
requirementsofRS485andRS422.TheLTC1487features  
output drivers with controlled slew rate, decreasing the  
EMI radiated from the RS485 lines, and improving signal  
fidelity with misterminated lines. The CMOS design offers  
significant power savings without sacrificing ruggedness  
against overload or ESD damage. Typical quiescent cur-  
rent is only 80µA while operating and 1µA in shutdown.  
■
■
■
■
■
■
■
Low Power: ICC = 120µA Max with Driver Disabled  
ICC = 200µA Max with Driver Enabled, No Load  
1µA Quiescent Current in Shutdown Mode  
Controlled Slew Rate Driver for Reduced EMI  
Single 5V Supply  
ESD Protection to ±10kV On Receiver Inputs and  
Driver outputs  
–7V to 12V Common-Mode Range Permits ±7V  
Ground Difference Between Devices on the Data Line  
Thermal Shutdown Protection  
■
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  
inputsareleftopen. I/Opinsareprotectedagainstmultiple  
ESD strikes of over ±10kV using the Human Body Model.  
■
■
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  
■
■
Pin Compatible with the LTC485  
O U  
PPLICATI  
A
S
The LTC1487 is fully specified over the commercial tem-  
perature range and is available in 8-pin DIP and SO  
packages.  
■
■
■
Battery-Powered RS485/RS422 Applications  
Low Power RS485/RS422 Transceiver  
Level Translator  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
O
TYPICAL APPLICATI  
LTC1487  
LTC1487  
R
1
2
3
1
2
3
RO  
RE  
DE  
R
RO  
RE  
DE  
2000 FEET OF TWISTED-PAIR WIRE  
DI  
7
6
7
4
4
120Ω  
120Ω  
DI  
D
D
DI  
A
B
6
330Ω  
4.7nF  
RO  
EQUIVALENT LOAD OF 256  
LTC1487 TRANSCEIVERS  
LTC1487 • TA01  
LTC1487 • TA02  
sn1487 1487fs  
1
12345678

中文翻译

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LTC1487CN8#PBF 替代型号

型号 品牌 替代类型 描述 数据表
MAX487EEPA+ MAXIM

功能相似

 Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, M
MAX487EPA+ MAXIM

功能相似

 Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDIP8, PLASTIC, DIP-8

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