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ISL32450EIBZ PDF预览

ISL32450EIBZ

更新时间： 2024-09-28 02:57:35
品牌 Logo 应用领域
瑞萨 - RENESAS 驱动信息通信管理光电二极管接口集成电路驱动器
页数 文件大小 规格书
23页 1239K
描述
±60V Fault Protected, 3.3V to 5V, ±20V Common-Mode Range, RS-485/RS-422 Transceivers with Cable Invert and ±15kV ESD

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ISL32450EIBZ 技术参数

生命周期：Unknown零件包装代码：MSOP, SOIC
包装说明：SOIC-14针数：10, 14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：4 weeks
风险等级：5.61其他特性：ALSO OPERATES IN VCC 4.5 TO 5.5 V
差分输出：YES驱动器位数：1
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-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：1.1 V
最大输出低电流：0.005 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：3.3/5 V
认证状态：Not Qualified最大接收延迟：325 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：3.6 V最小供电电压：3 V
标称供电电压：3.3 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：1000 ns
宽度：3.9 mmBase Number Matches：1

ISL32450EIBZ 数据手册

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DATASHEET  
ISL32450E, ISL32452E, ISL32453E, ISL32455E, ISL32457E, ISL32458E, ISL32459E  
FN7921  
Rev.2.00  
Aug 31, 2017  
±60V Fault Protected, 3.3V to 5V, ±20V Common-Mode Range, RS-485/RS-422  
Transceivers with Cable Invert and ±15kV ESD  
The ISL3245xE are 3.3V to 5V powered, fault protected,  
Features  
extended Common-Mode Range (CMR) differential  
• Fault protected RS-485 bus pins . . . . . . . . . . . . . . up to ±60V  
transceivers for balanced communication. The RS-485 bus  
pins (driver outputs and receiver inputs) are protected against  
overvoltages up to ±60V, and against ±15kV ESD strikes.  
These transceivers operate in environments with common-  
mode voltages up to ±20V (exceeds the RS-485 requirement),  
making this RS-485 family one of the more robust on the  
market.  
• Extended common-mode range . . . . . . . . . . . . . . . . . . . ±20V  
larger than required for RS-485  
• ±15kV HBM ESD protection on RS-485 bus pins  
• Wide supply range . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 5.5V  
• Cable invert pin (ISL32457E and ISL32459E only)  
corrects for reversed cable connections while maintaining  
Rx full fail-safe functionality  
Transmitters are RS-485 compliant with V ≥ 4.5V and  
CC  
deliver a 1.1V differential output voltage into the RS-485  
specified 54Ω load even with V = 3V. Receiver (Rx) inputs  
• 1/4 unit load for up to 128 devices on the bus  
CC  
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 full fail-safe operation is maintained even  
when the Rx input polarity is switched (cable invert function on  
ISL32457E and ISL32459E).  
• High transient overvoltage tolerance. . . . . . . . . . . . . . . . ±80V  
• Full fail-safe (open, short, terminated) RS-485 receivers  
• Choice of RS-485 data rates . . . . . . . . . . . . . . . . . . up to 20Mbps  
• Low quiescent supply current . . . . . . . . . . . . . . . . . . . . . 2.1mA  
The ISL32457E and ISL32459E include a cable invert function  
that reverses the polarity of the Rx and Tx bus pins in case the  
cable is misconnected during installation.  
Applications  
• Utility meters and automated meter reading systems  
See Table 1 on page 2 for key features and configurations by  
device number.  
• Air conditioning systems  
• Security camera networks  
• Building lighting and environmental control systems  
• Industrial and process control networks  
Related Literature  
• ISL32450E, ISL32452E, ISL32453E, ISL32455E, ISL32457E,  
ISL32458E, and ISL32459E product pages  
20  
12  
V
= 3V  
CC  
A
B
20  
15  
10  
5
VID = ±1V  
2Mbps  
0
-7  
RO  
0
-20  
STANDARD RS-485  
TRANSCEIVER  
ISL3245XE  
TIME (200ns/DIV)  
FIGURE 2. TRANSCEIVERS DELIVER SUPERIOR COMMON-MODE  
RANGE vs STANDARD RS-485 DEVICES  
FIGURE 1. EXCEPTIONAL ISL32453E RX OPERATES AT >1Mbps  
EVEN WITH ±20V COMMON-MODE VOLTAGE  
FN7921 Rev.2.00  
Aug 31, 2017  
Page 1 of 23  
1234567...23

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