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LTC1482IS8 PDF预览

LTC1482IS8

更新时间： 2024-09-24 22:57:35
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
16页 266K
描述
Low Power RS485 Transceiver with Carrier Detect and Receiver Fail-Safe

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中文翻译

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LTC1482IS8 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：SOP, SOP8,.25
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.09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-485JESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9025 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：1.2 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）：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：1.752 mm
子类别：Line Driver or Receivers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：60 ns宽度：3.899 mm
Base Number Matches：1

LTC1482IS8 数据手册

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LTC1482  
Low Power RS485 Transceiver  
with Carrier Detect and  
Receiver Fail-Safe  
U
DESCRIPTIO  
FEATURES  
The LTC®1482 is a low power RS485 compatible trans-  
ceiver that offers an active low carrier detect output. The  
open-drain carrier detect pin allows several transceivers  
to share the same carrier detect line and can be used to  
detect the insertion or removal of a driven RS485/RS422  
cable.  
■
No Damage or Latchup to  
Model), IEC1000-4-2 Level 4 (  
±
15kV (Human Body  
±
8kV) Contact and  
Level 3 (±8kV) Air Discharge  
■
■
Active Low Carrier Detect Output  
Guaranteed High Receiver Output State for  
Floating, Shorted or Terminated Inputs with  
No Signal Present  
Enhanced ESD protection allows the LTC1482 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.  
■
■
■
■
■
■
Drives Low Cost Residential Telephone Wires  
Low Power: ICC = 700µA Max with Driver Disabled  
ICC = 900µA Max in Driver Mode Without 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  
Maximum Data Rate of 4Mbps  
The LTC1482 receiver stays alive at all times except in  
shutdown. The supply current is a maximum of 700µA  
and 900µA when the driver is disabled and enabled  
respectively. In shutdown, the quiescent current of the  
LTC1482 drops to a maximum of 20µA.  
■
■
■
■
Power Up/Down Glitch-Free Driver Outputs  
Up to 32 Transceivers on the Bus  
Available in 8-Lead MSOP, PDIP and SO Packages  
When the driver is disabled or the LTC1482 is in shut-  
down, the driver outputs are three-stated and remain in  
a high impedance state over the RS485 common mode  
range.  
U
APPLICATIO S  
Excessivepowerdissipationcausedbybuscontentionor  
faults is prevented by a thermal shutdown circuit, which  
forces the driver outputs into a high impedance state.  
■
Battery-Powered RS485/RS422 Applications  
■
Low Power RS485/RS422 Transceiver  
■
Level Translator  
The LTC1482 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.  
U
TYPICAL APPLICATIO  
Carrier Detect Output (2000 Foot STP Cable)  
RS485 Interface  
DE1  
LTC1482  
LTC1482  
R
RO2  
RO1  
CD1  
V
V
CC2  
CC1  
B1  
A1  
B2  
A2  
R
A2  
CD2  
120Ω  
GND1  
120Ω  
B2  
DE2  
DE1  
D
D
DI2/SHDN2  
DI1/SHDN1  
GND2  
CD2  
1482 TA01  
DE1 ↑↓  
DE2 = 0  
Dl1 = VCC  
Dl2 = VCC  
1482 TA01a  
1k PULL-UP AT CD  
1
1234567...16

中文翻译

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LTC1482IS8 替代型号

型号 品牌 替代类型 描述 数据表
LTC1482CS8 Linear

功能相似

 Low Power RS485 Transceiver with Carrier Detect and Receiver Fail-Safe

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