WMSIC Electronic Components

Chipanalog CA-IF4805HS

ModelCA-IF4805HS
PackageSOIC-8
BrandChipanalog
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Chipanalog CA-IF4805HS
Type
CHIPANALOG
Minimum package
2500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHIPANALOG
Electronic Component
CA-IF4805HS
Electronic Component
1
Package
SOIC-8
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.27g
Electronic Component
256
Electronic Component
1
Features
Tx / Rx
Electronic Component
BM0228088625
Operating Temperature
40℃~+125℃
Operating Voltage
3V~5.5V
Receiver
1
Data
500Kbps

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

CA-IF4805HS 产品概述

一、产品简介

CA-IF4805HS 是川土微(Chipanalog)推出的一款高可靠性半双工收发器,采用 SOIC-8 封装,面向需要低功耗、宽工作电压和工业级温度范围的差分总线通信场景。器件在待机状态下静态电流极低,数据速率支持 500Kbps,可在苛刻的电磁和静电环境中稳定工作,适用于汽车电子、工业控制、楼宇自控等领域对总线收发器的典型需求。

二、主要性能亮点

  • 工作电压范围宽:VCC 支持 3.0V 至 5.5V,便于与不同电源系统兼容。
  • 低静态电流:待机静态电流仅 5µA,有利于节能和待机功耗优化。
  • 工作温度范围广:-40℃ 至 +125℃,满足工业级与车规级环境要求。
  • 通讯模式:半双工收发器,可用于单总线双向通信设计,减少引脚和配线复杂度。
  • 数据速率:支持最高 500Kbps,覆盖常见工业和车载网络速率需求。
  • 抗静电能力强:静电放电保护能力高达 ±30kV(人体模式量级),提升系统可靠性。
  • 封装:标准 SOIC-8,便于中小批量生产与自动贴装流程。

三、电气与环境参数(关键参数)

  • 工作电压:3.0V ~ 5.5V
  • 工作温度:-40℃ ~ +125℃
  • 静态电流:5µA(典型)
  • 通讯模式:半双工
  • 最大数据速率:500Kbps
  • 静电保护:±30kV(人体模型量级)
  • 类型:收发器
  • 封装:SOIC-8

注:以上为主要规格概要,具体时序、驱动能力、故障保护和电平阈值等详见器件完整数据手册。

四、封装与机械特性

CA-IF4805HS 提供标准 SOIC-8 封装,适合自动贴片生产。SOIC-8 的引脚排列便于在有限 PCB 面积上布局,并可与常见的 8 引脚外设共用封装布局,方便替换和二次开发。封装耐候性与焊接工艺兼容常见回流温度曲线。

五、典型应用场景

  • 汽车车身控制总线、车载外设通信(如车窗、后视镜、座椅控制模块等)
  • 工业现场总线与传感器网络,尤其是需要防护与低功耗待机的远端节点
  • 楼宇自动化、安防系统中的多节点通讯总线
  • 医疗设备、仪器仪表等对温度与电磁兼容有更高要求的场合

六、设计建议与注意事项

  • 总线终端与隔离:在差分总线应用中建议根据网络拓扑配置合适的终端电阻(例如差分终端),并在长线或噪声敏感场合考虑共模电感或隔离措施。
  • 电源去耦:在 VCC 旁放置 0.1µF 陶瓷去耦电容,并靠近器件电源引脚,以抑制瞬态噪声。
  • ESD 保护:尽管器件自身具备高达 ±30kV 的静电能力,仍建议在外部暴露端(例如接插件、外部总线引脚)加装 TVS 或滤波元件以提升系统整体抗扰度。
  • PCB 布局:差分信号线应走成对且长度匹配,避免紧邻大电流回路,地平面连续以减少共模干扰。
  • 温度管理:工作环境接近极限时,应注意器件散热与周边发热源,避免长期高温导致可靠性下降。
  • 半双工通讯注意总线仲裁与故障检测逻辑设计,避免总线冲突和长时间占用。

七、优势总结

CA-IF4805HS 以其宽电压、低功耗、工业级温度范围与较高的静电保护能力,为设计者提供了一款稳定可靠的半双工收发解决方案。标准 SOIC-8 封装与兼容的接口特性,使其在汽车、工业与楼宇自动化等多种场景中都能快速集成并提升系统抗干扰能力与待机寿命。

如需进一步的电气时序图、详细引脚定义、典型应用电路或可靠性数据,请参考川土微提供的完整数据手册或联系厂商技术支持。

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