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ISL32472E

更新时间： 2024-02-04 14:58:29
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
19页 1037K
描述
Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers

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ISL32472E 技术参数

生命周期：Unknown零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.37
差分输出：YES驱动器位数：1
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-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：2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：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：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：280 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：30最大传输延迟：450 ns
宽度：3.9 mmBase Number Matches：1

ISL32472E 数据手册

 浏览型号ISL32472E的Datasheet PDF文件第2页浏览型号ISL32472E的Datasheet PDF文件第3页浏览型号ISL32472E的Datasheet PDF文件第4页浏览型号ISL32472E的Datasheet PDF文件第5页浏览型号ISL32472E的Datasheet PDF文件第6页浏览型号ISL32472E的Datasheet PDF文件第7页 
Fault Protected, Extended Common Mode Range,  
RS-485/RS-422 Transceivers with ±16.5kV ESD  
ISL32470E, ISL32472E, ISL32475E, ISL32478E  
The ISL32470E, ISL32472E, ISL32475E, ISL32478E are  
Features  
fault-protected, extended common mode range differential  
• Fault-Protected RS-485 Bus Pins. . . . . . . . . . . . . . Up to ±60V  
transceivers that exceed the RS-485 and RS-422 standards for  
balanced communication. The RS-485 bus pins (driver outputs  
and receiver inputs) are fault protected against overvoltages up to  
±60V and are protected against ±16.5kV ESD strikes without  
latch-up. Additionally, these transceivers operate in environments  
with common mode voltages up to ±15V (exceeds the RS-485  
requirement), making this fault-protected RS-485 family one of  
the more robust on the market.  
• Extended Common Mode Range . . . . . . . . . . . . . . . . . . . ±15V  
Larger Than Required for RS-485  
• 1/4 Unit Load for Up to 128 Devices on the Bus  
• ±16.5kV HBM ESD Protection on RS-485 Bus Pins  
• High Transient Over-Voltage Tolerance . . . . . . . . . . . . . . .±80V  
• Full Fail-Safe (Open, Short, Terminated) RS-485 Receivers  
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 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. Rx outputs feature high  
• Choice of RS-485 Data Rates . . . . . . . . . . . .250kbps to 15Mbps  
• Low Quiescent Supply Current . . . . . . . . . . . . . . . . . . . 2.3mA  
• Ultra Low Shutdown Supply Current . . . . . . . . . . . . . . . . 10µA  
drive levels; typically, 15mA @ V = 1V (to ease the design of  
OL  
opto-coupled isolated interfaces).  
Applications  
Half duplex (Rx inputs and Tx outputs multiplexed together) and  
full duplex pinouts are available. See Table 1 on page 2 for key  
features and configurations by device number.  
• Utility Meters/Automated Meter Reading Systems  
• High Node Count RS-485 Systems  
For a fault-protected RS-485 transceiver with a ±25V extended  
common mode range, please see the ISL32490E and ISL32483E  
data sheets.  
®
• PROFIBUS and RS-485 Based Field Bus Networks, and  
Factory Automation  
• Security Camera Networks  
• Building Lighting and Environmental Control Systems  
• Industrial/Process Control Networks  
20  
15  
12  
V
= ±1V  
ID  
B
A
15  
10  
5
0
-7  
RO  
0
-15  
-5  
STANDARD RS-485  
TRANSCEIVER  
ISL3247xE  
TIME (20ns/DIV)  
FIGURE 1. EXCEPTIONAL Rx OPERATES AT >15Mbps EVEN WITH  
±15V COMMON MODE VOLTAGE  
FIGURE 2. TRANSCEIVERS DELIVER SUPERIOR COMMON MODE  
RANGE vs STANDARD RS-485 DEVICES  
January 21, 2011  
FN7784.0  
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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