Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Chipanalog CA-IS3742CHW
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Chipanalog CA-IS3742CHW
- Type
- CHIPANALOG
- Minimum package
- 1000 卷
Technical parameters
- Electronic Component
- CHIPANALOG
- Electronic Component
- CA-IS3742CHW
- Electronic Component
- 1
- Package
- SOIC-16-WB
- Electronic Component
- Isolated
- Electronic Component
- 0.626g
- Electronic Component
- 1
- CMTI(kV/us)
- 150kV/us
- Features
- Output
- Electronic Component
- BM0228740297
- Operating Temperature
- 40℃~+125℃
- Output
- Level
- Channel Count
- 2
- Channel Count
- 2
- (tpd)
- 22ns
- Operating Voltage(VCCA)
- 3V~5.5V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CA-IS3742CHW 产品概述
一、主要特点
CA-IS3742CHW（品牌：Chipanalog / 川土微）是一款双向隔离器件，提供两路正向通道和两路反向通道，典型最大数据速率为40 Mbps。器件默认输出为高电平，隔离耐压达5000 Vrms，脉冲共模抗扰度（CMTI）高达150 kV/μs，传播延迟约22 ns，工作温度范围为-40℃至+125℃。供电范围灵活：VCCA 和 VCCB 均支持 3.0 V 至 5.5 V，封装为 SOIC-16-WB，适合工业级应用。
二、功能与规格要点
- 通道数：2 路正向、2 路反向，满足简单串行或控制信号的隔离传输；
- 速率与延时：最高 40 Mbps，单向传播延迟约 22 ns，适用于中高速数字隔离；
- 隔离与抗扰：隔离电压 5000 Vrms，CMTI 150 kV/μs，能在高共模干扰环境下维持信号完整性；
- 供电与温度：VCCA/VCCB 3.0–5.5 V，工作温度 -40℃～+125℃，适配工业温度等级。
三、典型应用场景
- 工业现场总线隔离（如隔离控制信号、传感器接口）；
- 电机驱动与变频器控制回路的数字隔离；
- 电源管理与电池管理系统（BMS）中需要高压隔离的数据信号传输；
- 医疗仪器、测试测量设备中对信号隔离与抗扰度的要求场景（在符合相应认证前提下评估使用）。
四、设计与布局建议
- 电源滤波：在 VCCA 与 VCCB 端各放置 0.1 μF 陶瓷并联 1 μF 旁路电容，靠近器件引脚布局以降低寄生与噪声；
- 隔离区布局：在 PCB 设计时严格划分高低压区域，保证满足 5 kVrms 的爬电距离和间隙间距；如需更高安全裕度，增加隔离带宽与丝印标识；
- 接地管理：隔离侧各自接地，不建议在隔离区域上直接短接；对共模噪声敏感系统可增加共模滤波与屏蔽措施；
- 差分与串行线：对于接近最大速率使用时，注意线长、终端匹配与串扰抑制。
五、可靠性与封装信息
器件提供 SOIC-16-WB 封装，便于自动贴装与焊接工艺。工作温度覆盖工业级范围，适合长期运行的工业环境。具体的焊接参数、热阻和机械可靠性数据请参考厂商完整数据手册以进行热仿真与工艺验证。
六、选型建议与注意事项
在选型时确认实际信号速率、延迟容忍度与工作环境的共模干扰水平；若系统需更高速率或更低延迟，应与器件参数比较。使用前请获取 Chipanalog 的详细数据手册与应用笔记，验证引脚定义、时序和电气极限，完成 EMC 与安全认证评估后再投入批量生产。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
