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ISL32483E PDF预览

ISL32483E

更新时间： 2024-02-19 22:39:05
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
17页 833K
描述
Fault Protected, Extended CMR, RS-485/RS-422 Transceivers

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ISL32483E 技术参数

生命周期：Unknown零件包装代码：SOIC
包装说明：SOP, SOP14,.25针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：18 weeks
风险等级：5.39差分输出：YES
驱动器位数：1高电平输入电流最大值：0.000015 A
输入特性：SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-485-A; TIA-485-A; EIA-422JESD-30 代码：R-PDSO-G14
JESD-609代码：e3长度：8.65 mm
湿度敏感等级：2功能数量：1
端子数量：14最高工作温度：85 °C
最低工作温度：-40 °C最小输出摆幅：0.8 V
最大输出低电流：0.006 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP14,.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：150 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：4.5 mA
最大供电电压：5.5 V最小供电电压：4.5 V
标称供电电压：5 V表面贴装：YES
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn) - annealed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：NOT SPECIFIED最大传输延迟：350 ns
宽度：3.9 mmBase Number Matches：1

ISL32483E 数据手册

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Fault Protected, Extended CMR, RS-485/RS-422  
Transceivers with Cable Invert and ±16.5kV ESD  
ISL32483E, ISL32485E  
The ISL3248xE are fault protected, 5V powered differential  
transceivers that exceed the RS-485 and RS-422 standards for  
Features  
• Fault Protected RS-485 Bus Pins. . . . . . . . . . . . . . Up to ±60V  
balanced communication. The RS-485 transceiver pins (driver  
outputs and receiver inputs) are fault protected up to ±60V and  
are protected against ±16.5kV ESD strikes without latch-up.  
Additionally, the extended common mode range allows these  
transceivers to operate in environments with common mode  
voltages up to ±25V (>2X the RS-485 requirement), making this  
fault-protected RS-485 family one of the most robust on the  
market.  
• Extended Common Mode Range . . . . . . . . . . . . . . . . . . . ±25V  
More Than Twice the Range Required for RS-485  
• ±16.5kV HBM ESD Protection on RS-485 Bus Pins  
• Cable Invert Pins  
Corrects for Reversed Cable Connections While Maintaining Rx  
Full Fail-Safe Functionality  
• Full Fail-Safe (Open, Short, Terminated) RS-485 Receivers  
• 1/4 Unit Load (UL) for Up to 128 Devices on the Bus  
Transmitters (Tx) deliver an exceptional 2.5V (typical) differential  
output voltage into the RS-485 specified 54Ω load. This yields  
better noise immunity than standard RS-485 ICs or allows up to  
six 120Ω terminations in star network topologies.  
• High Rx I for Opto-Couplers in Isolated Designs  
OL  
• Hot Plug Circuitry: Tx and Rx Outputs Remain Three-State  
During Power-up/Power-down  
Receiver (Rx) inputs feature a “Full Fail-Safe” design, which  
ensures a logic high Rx output if Rx inputs are floating, shorted,  
or on a terminated but undriven (idle) bus.  
• Slew Rate Limited RS-485 Data Rate . . . . . . . . . . . . . 1Mbps  
• Low Quiescent Supply Current . . . . . . . . . . . . . . . . . . . 2.3mA  
• Ultra Low Shutdown Supply Current . . . . . . . . . . . . . . . 10µA  
The ISL32483E and ISL32485E include cable invert functions  
that reverse the polarity of the Rx and/or Tx bus pins in case the  
cable is misconnected. Unlike competing devices, Rx full fail-safe  
operation is maintained even when the Rx input polarity is  
switched.  
Applications  
• Utility Meters/Automated Meter Reading Systems  
• High Node Count RS-485 Systems  
®
• PROFIBUS and RS-485 Based Field Bus Networks, and  
Factory Automation  
For fault protected RS-485 transceivers without the cable invert  
function, please see the ISL32470E and ISL32490E data sheets.  
• Security Camera Networks  
• Building Lighting and Environmental Control Systems  
• Industrial/Process Control Networks  
30  
25  
VID = ±1V  
B
25  
A
12  
0
20  
15  
10  
-7  
-12  
5
RO  
0
-20  
-25  
-5  
STANDARD RS-485  
TRANSCEIVER  
CLOSEST  
COMPETITOR  
ISL3248XE  
TIME (400ns/DIV)  
FIGURE 1. EXCEPTIONAL Rx OPERATES AT 1Mbps EVEN WITH  
±25V COMMON MODE VOLTAGE  
FIGURE 2. TRANSCEIVERS DELIVER SUPERIOR COMMON MODE  
RANGE vs STANDARD RS-485 DEVICES  
January 18, 2011  
FN7785.0  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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 		Providing high-performance solutions for every link in the signal chain

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