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ISL31485EIBZ-T

更新时间： 2024-01-05 16:49:11
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
18页 684K
描述
Fault Protected, Extended CMR, RS-485/RS-422 Transceivers with Cable Invert; SOIC8; Temp Range: -40° to 85°C

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ISL31485EIBZ-T 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：8542.39.00.01Factory Lead Time：18 weeks
风险等级：5.48差分输出：YES
驱动器位数：1接口集成电路类型：LINE TRANSCEIVER
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm湿度敏感等级：2
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）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified最大接收延迟：
座面最大高度：1.75 mm子类别：Line Driver or Receivers
最大压摆率：4.5 mA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
宽度：3.9 mmBase Number Matches：1

ISL31485EIBZ-T 数据手册

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NOT RECOM  
RECOMMEN  
MENDED FOR  
DED REPLAC  
NEW DESIGN  
EMENT PART  
S
DATASHEET  
ISL32483E,  
ISL32485E  
Fault Protected, Extended CMR, RS-485/RS-422  
Transceivers with Cable Invert  
ISL31483E, ISL31485E  
Features  
The ISL31483E and ISL31485E are fault protected, 5V powered  
differential transceivers that exceed the RS-485 and RS-422  
standards for balanced communication. The RS-485 transceiver  
pins (driver outputs and receiver inputs) are fault protected up to  
±60V. 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.  
• Fault protected RS-485 bus pins . . . . . . . . . . . . . . up to ±60V  
• Extended common mode range. . . . . . . . . . . . . . . . . . . . ±25V  
More than twice the range required for RS-485  
• 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 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  
• Slew rate limited RS-485 data rate . . . . . . . . . . . . . . . 1Mbps  
• Low quiescent supply current. . . . . . . . . . . . . . . . . . . . 2.3mA  
• Ultra low shutdown supply current. . . . . . . . . . . . . . . . . 10µA  
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.  
The ISL31483E and ISL31485E 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  
• 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  
ISL3148XE  
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  
May 13, 2015  
FN7638.4  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2010, 2011, 2015. 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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