WMSIC Electronic Components

RENESAS ISL8487EIBZ-T ISL8487EIBZ

ModelISL8487EIBZ-T
Package8-SOIC
BrandRENESAS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 21+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS ISL8487EIBZ-T
Type
RENESAS
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
ISL8487EIBZ-T
Electronic Component
1
Package
8-SOIC
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.104g
Electronic Component
1
Features
Tx / Rx
Electronic Component
BM0264843410
Operating Temperature
40℃~+85℃
Operating Voltage
4.5V~5.5V
Receiver
1
Data
250Kbps
Communication
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ISL8487EIBZ-T产品概述

一、产品简介

ISL8487EIBZ-T 是一款面向工业现场总线与差分数据链路的半收发器器件,集成1路驱动器和1路接收器,支持RS-422/RS-485差分通信,工作电压范围4.5V~5.5V,数据传输速率可达250kbps,工作温度范围为-40℃~+85℃。器件采用8-SOIC表面贴装封装,适合工业级嵌入式和通信接口设计。

二、主要特性

  • 1路驱动器、1路接收器,支持全双工通信架构,适合双绞线差分对的实时双向传输。
  • 供电电压:4.5V~5.5V,兼容5V系统电源。
  • 最大数据速率:250kbps,满足常见工业现场总线与远程数据采集速率需求。
  • 环境适应:工作温度-40℃~+85℃,满足工业温度等级要求。
  • 封装:8-SOIC,工业常见封装,便于表面贴装和自动化生产。

三、功能与保护

  • Tx/Rx 启用控制:独立的发送与接收使能引脚,便于多节点管理、低功耗控制与总线仲裁。
  • 热关断保护:内部热保护机制在器件过热时自动关断输出,提升系统可靠性并防止器件损坏。
  • 过流保护:驱动输出具备过流限制或短路保护功能,降低总线短路或误接时的风险,提高系统容错能力。

四、典型应用

  • 工业总线接口(如RS-485/RS-422节点接口)与楼宇自动化控制系统。
  • 远程数据采集(RTU)、PLC通信端口、传感器网关。
  • 串行差分链路、长距离通信接口以及需要高抗干扰能力的工业环境。

五、封装与可靠性

ISL8487EIBZ-T 采用8引脚SOIC小外形封装,方便在空间受限的器件布局中使用。封装结合内部保护电路,适合经常插拔或现场接线环境。在热管理上,建议在PCB设计中提供合适的铜箔散热路径与地平面,以提高热耗散能力。

六、设计建议

  • 差分线对布线应保持等长、紧密耦合并避免与高速或大电流走线交叉,减少共模噪声与串扰。
  • 在电源引脚附近放置适当的去耦电容(如0.1μF与1μF并联),靠近器件引脚布置以稳定供电。
  • 总线两端建议使用标准120Ω终端电阻进行差分终端匹配;在多节点网络中合理设置偏置电阻以确保失电或空闲时总线的确定电平(biasing)。
  • 对于有较强电磁干扰或浪涌的现场,可在差分对线上并联共模电感和一次侧TVS、气体放电管等防护元件,提高抗浪涌与ESD能力。

七、总结

ISL8487EIBZ-T 以其工业级温度范围、独立Tx/Rx使能、热关断与过流保护等特点,适用于需要稳健差分通信接口的嵌入式与工业控制系统。合理的PCB布局、电源去耦与总线终端/偏置设计,可使该器件在复杂电磁环境中发挥稳定的通信性能。如需完整引脚定义及电气参数,请参阅器件数据手册以获得详细规范与推荐电路。

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