WMSIC Electronic Components

Chipanalog CA-IS3741CHW

ModelCA-IS3741CHW
PackageSOIC-16-300mil
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-IS3741CHW
Type
CHIPANALOG
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHIPANALOG
Electronic Component
CA-IS3741CHW
Electronic Component
1
Package
SOIC-16-300mil
Electronic Component
Isolated
Electronic Component
0.626g
Electronic Component
1
CMTI(kV/us)
150kV/us
Features
Output
Electronic Component
BM0258837968
Operating Temperature
40℃~+125℃
Output
Level
Channel Count
1
Channel Count
3
(tpd)
22ns

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

CA-IS3741CHW 产品概述

一、产品简介

CA-IS3741CHW 是川土微(Chipanalog)推出的一款高速数字隔离器,面向工业与电力电子领域的信号隔离需求。器件提供三路正向通道与一路反向通道(3:1),默认输出为高电平,单通道最大数据速率可达 40 Mbps,传播延迟约 22 ns。器件两侧工作电压范围宽(VCCA、VCCB 均为 3 V 至 5.5 V),隔离电压为 5000 Vrms,且具有高达 150 kV/µs 的共模瞬态抗扰度(CMTI),工作温度范围 -40 ℃ 至 +125 ℃,封装为 SOIC-16 (300 mil)。

二、主要性能与特点

  • 通道配置:正向通道 3,反向通道 1,适合主从或双向少量控制信号隔离
  • 速率与时序:最大数据速率 40 Mbps,典型传播延迟 22 ns,适用于高速数字接口与脉冲信号
  • 隔离与抗扰度:隔离电压 5000 Vrms,CMTI 150 kV/µs,适合高干扰环境下保持信号完整性
  • 电源兼容:VCCA/VCCB = 3.0–5.5 V,可直接与 3.3 V 与 5 V 逻辑接口配合
  • 可靠性:工业级工作温度 -40 ℃ 至 +125 ℃,适用于严苛环境
  • 封装:SOIC-16-300 mil,方便 PCB 布局与替换

三、典型应用场景

  • 工业控制与驱动器:MCU/FPGA 与功率级之间的信号隔离
  • 开关电源与逆变器控制回路:高速脉冲、门极驱动及反馈隔离
  • 数据采集与测量系统:ADC/传感器与处理器侧的数字隔离
  • 通信接口隔离:SPI、UART、通用 GPIO 与脉冲信号的电气隔离

四、设计与使用建议

  • 电源去耦:在 VCCA 与 VCCB 侧各自靠近引脚布置 0.1 µF/1 µF 旁路电容,抑制高频干扰与瞬态噪声。
  • 隔离区布线:在 PCB 上保证足够的爬电距离与间距,遵循系统安全规范,避免跨越隔离区布置敏感信号。
  • 默认高电平行为:器件默认输出为高电平,断电或异常时的逻辑电平行为请在系统设计中充分考虑(例如上拉/下拉策略)。
  • 共模瞬态:CMTI 值高,但在高 dv/dt 场合仍建议优化接地与屏蔽以减少瞬态耦合。
  • 时序匹配:虽然传播延迟短,但多通道时序一致性需根据实际系统要求在布局与走线中控制掉入延迟差异。
  • 认证与测试:器件具备高隔离能力,但最终系统需通过相应的安全与电磁兼容测试(如有特定认证需求,请参考厂商完整资料或咨询川土微技术支持)。

五、封装与引脚提示

SOIC-16(300 mil)封装利于自动贴装与散热,适用于常见工业 PCB 尺寸。具体引脚分配、功能与推荐 PCB 尺寸请参照原厂器件数据手册,设计时注意热回流工艺与焊盘布局以保证可靠连接。

六、可靠性与注意事项

器件工作温度范围宽、隔离电压高且 CMTI 优异,适合工业与电力电子场景。器件在系统级应用中应结合过压、浪涌保护与熔断等保护措施,以保证长期可靠运行。建议在设计前查阅完整数据手册,确认电气特性、引脚定义及应用电路参考,以便实现稳定的隔离解决方案。

如需进一步的电气特性曲线、典型应用电路与 PCB 布局建议,请联系川土微官方技术支持或获取 CA-IS3741CHW 的完整数据手册。

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