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LTC1480IN8 PDF预览

LTC1480IN8

更新时间： 2024-11-12 22:07:35
品牌 Logo 应用领域
凌特 - Linear 驱动器接口集成电路光电二极管
页数 文件大小 规格书
8页 232K
描述
3.3V Ultra-Low Power RS485 Transceiver

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中文翻译

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LTC1480IN8 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.07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：e0
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：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：3.3 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：3.937 mm
子类别：Line Driver or Receivers最大压摆率：0.6 mA
最大供电电压：3.6 V最小供电电压：3 V
标称供电电压：3.3 V表面贴装：NO
技术：CMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)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：80 ns
宽度：7.62 mmBase Number Matches：1

LTC1480IN8 数据手册

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LTC1480  
3.3V Ultra-Low Power  
RS485 Transceiver  
U
DESCRIPTIO  
EATURE  
S
F
The LTC®1480 is an ultra-low power differential line trans-  
ceiver which provides full RS485 compatibility while oper-  
ating from a single 3.3V supply. It is designed for data  
transmission standard RS485 applications with extended  
common-mode range (12V to –7V). It also meets the  
requirements of RS422 and features high speed operation  
up to 2.5Mb/s. The CMOS design offers significant power  
savings without sacrificing ruggedness against overload  
or ESD damage. Typical quiescent current is only 300µA  
while operating and 1µA in shutdown.  
■
■
■
■
■
True RS485 from a Single 3.3V Supply  
Low Power: ICC = 500µA Max with Driver Disabled  
ICC = 600  
µA Max with Driver Enabled, No Load  
1µ  
A Quiescent in Shutdown Mode  
ESD Protection to  
Driver Outputs  
±10kV on Receiver Inputs and  
■
–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  
50ns Typical Driver Propagation Delays with  
10ns Skew  
■
■
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 up to ±10kV.  
■
■
■
■
Pin Compatible with the LTC485  
O U  
PPLICATI  
S
A
■
■
■
The LTC1480 is fully specified over the commercial and  
extended industrial temperature range. The LTC1480 is  
available in 8-pin SO and DIP 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  
Driver Differential  
Output Voltage vs Output Current  
3.3V RS485 Network  
3.3V  
3.3V  
3.5  
LTC1480  
LTC1480  
R
V
T
= 3.3V  
CC  
= 25°C  
3.0  
A
1
2
3
4
8
7
6
5
8
1
2
3
4
RO  
RE  
DE  
D1  
RO  
RE  
DE  
D1  
SHIELD  
SHIELD  
R
B
A
B
A
7
6
5
2.5  
120Ω  
120Ω  
2.0  
1.5  
D
D
3.3V  
8
B
7
A
6
5
1.0  
0.5  
0
LTC1480  
R
D
4
0
10 20 30 40 50  
OUTPUT CURRENT (mA)  
90  
60 70 80  
1
2
3
LTC1480 • TA01  
RO RE DE D1  
LTC1480 • TA02  
1
12345678

中文翻译

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