WMSIC Electronic Components

Chipanalog CA-IS3740LW

ModelCA-IS3740LW
PackageSOIC-16
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-IS3740LW
Type
CHIPANALOG
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHIPANALOG
Electronic Component
CA-IS3740LW
Electronic Component
1
Package
SOIC-16
Electronic Component
Isolated
Electronic Component
0.856g
Electronic Component
1
CMTI(kV/us)
150kV/us
Electronic Component
BM0264079052
Operating Temperature
40℃~+125℃
Output
Level
Channel Count
0
Channel Count
4
(tpd)
16ns
Operating Voltage(VCCA)
2.5V~5.5V

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

CA-IS3740LW四通道标准数字隔离器产品概述

一、产品定位与核心价值

CA-IS3740LW是Chipanalog(川土微)推出的四通道单向标准数字隔离器,专为解决不同电位域间的数字信号交互问题设计,可替代传统光耦合器,兼顾高速传输、高隔离安全、宽电压适配三大核心优势,是工业自动化、通信设备等领域的高性价比选择。

二、关键性能参数详解

1. 通道与传输特性

  • 通道配置:4正向通道+0反向通道的单向传输设计,避免双向时序冲突,简化多信号隔离系统的布线与逻辑设计;
  • 最大速率:150Mbps,支持SPI、I2C扩展、CAN总线等高速数字信号传输,适配现代工业与通信系统的高带宽需求;
  • 传播延迟:仅16ns,时序精度高,适合对延迟敏感的应用(如实时控制、高速数据采集)。

2. 隔离与抗干扰

  • 隔离电压:5000Vrms(有效值),符合工业级高隔离要求,有效阻断高低电位域的电气干扰,保护敏感电路与人员安全;
  • CMTI(共模瞬态抑制比):150kV/μs,能抵御快速共模电压变化带来的干扰,确保电磁环境恶劣场景下的信号稳定性。

3. 电源与输出特性

  • 宽电压适配:VCCA(输入侧电源)与VCCB(输出侧电源)均支持2.5V~5.5V范围,兼容3.3V、5V主流电源,同时适配2.5V低功耗场景;
  • 默认输出:低电平,上电过程无需额外初始化电路,简化系统启动时序。

三、典型应用场景

  1. 工业自动化系统:PLC输入输出模块隔离、DCS信号传输、工业机器人关节传感器与执行器接口,适配-40℃~+125℃的极端环境;
  2. 高速通信接口:CAN/LIN总线隔离(汽车电子及工业通信)、SPI/I2C总线扩展隔离(多从设备通信)、以太网物理层辅助隔离;
  3. 电源监测与保护:电力监控设备的电压/电流信号隔离,防止高压侧干扰低压侧监测电路,提升系统安全性;
  4. 医疗仪器辅助:部分医疗设备的数字信号隔离(需结合具体认证),阻断患者端与设备端的电气连接,保障患者安全。

四、封装与环境适应性

  • 封装形式:SOIC-16贴片封装,体积紧凑,适合自动化贴装,节省PCB空间,适配高密度系统设计;
  • 工作温度:-40℃~+125℃工业级宽温,可稳定运行于户外、高温车间、低温仓库等场景,满足工业级可靠性要求。

五、品牌与可靠性保障

Chipanalog(川土微)是国内专注模拟与混合信号芯片的厂商,在隔离器件领域拥有成熟技术积累。CA-IS3740LW经严格可靠性测试(如温度循环、湿度老化),符合工业级产品标准,可长期稳定工作,降低系统维护成本。

该产品通过平衡性能、成本与可靠性,为需要电气隔离的数字信号传输场景提供了高效解决方案,适配多行业的实际应用需求。

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