WMSIC Electronic Components

Chipanalog CA-IS1300G25G

ModelCA-IS1300G25G
PackageSOIC-8-WB
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-IS1300G25G
Type
CHIPANALOG
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHIPANALOG
Electronic Component
CA-IS1300G25G
Electronic Component
8.2
Electronic Component
1
Package
SOIC-8-WB
Electronic Component
Isolated Amplifier
Electronic Component
0.37g
Electronic Component
1
CMTI(kV/us)
150kV/us
Features
Isolated ΔΣ(Sigma-Delta)
Electronic Component
BM0227692345
Operating Temperature
40℃~+125℃
(-3dB)
310kHz
Output Type
Electronic Component
Voltage
±250mV

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

CA-IS1300G25G全差分隔离运放产品概述

CA-IS1300G25G是Chipanalog(川土微)推出的一体化全差分隔离运放,专为工业控制、汽车电子、电源监控等需要「信号隔离+差分放大」的场景设计,集成高隔离、宽温适应、高精度放大等核心特性,可有效解决系统中地环路干扰、高压侧信号采样等痛点,简化设计的同时提升信号可靠性。

一、产品核心定位与价值

针对传统隔离放大方案(如光耦+分立运放)存在的BOM成本高、体积大、一致性差等问题,CA-IS1300G25G将「隔离功能」与「差分放大功能」深度集成,实现:

  • 减少外部器件数量,降低PCB面积与物料成本;
  • 避免分立器件带来的增益误差、温漂不一致等问题;
  • 适配工业级严苛环境,覆盖-40℃~+125℃宽温范围。

二、关键性能参数深度解读

1. 高隔离与抗干扰能力

  • 5000Vrms隔离电压:满足工业、汽车等领域高压隔离安全要求,可有效隔离高低压电路(如电机高压侧与控制板低压侧),防止故障扩散;
  • 150kV/μs CMTI(共模瞬态抑制比):针对电机驱动、开关电源等场景中IGBT开关产生的快速共模电压变化,大幅抑制干扰对输出信号的影响,保证信号完整性。

2. 差分信号处理性能

  • 差分输入±250mV:适配多数传感器(应变式压力、霍尔电流传感器)输出的微伏/毫伏级差分信号;
  • 固定增益8.2:无需外部电阻设置增益,简化设计的同时保证批量生产一致性;
  • 310kHz -3dB带宽+2.48MHz GBP:在目标带宽内实现稳定放大,适合100kHz以内的信号处理(如电机电流采样、电源纹波监控)。

3. 直流精度与环境适应性

  • 50μV输入失调电压(Vos):低失调保证小信号放大准确性,减少输出误差;
  • 30μA输入偏置电流(Ib):对信号源负载影响小,适合高阻抗传感器采集;
  • -40℃~+125℃工作温度:覆盖工业级(-40~85℃)及扩展工业级场景,无需额外温度补偿。

三、典型应用场景梳理

1. 工业传感器信号隔离放大

工厂自动化中,压力、温度传感器输出的差分小信号易受车间地环路干扰。CA-IS1300G25G可直接采集信号并隔离放大,输出至PLC/MCU,提升测量精度。

2. 电机驱动系统电流/电压采样

伺服电机、变频器中,需隔离采样绕组电流(霍尔输出)或母线电压,防止高压侧IGBT干扰低压控制板。该器件的高CMTI可有效抑制开关瞬态干扰。

3. 汽车电子BMS电池采样

电动车BMS需采样单体电池电压,不同电池组存在地电位差。CA-IS1300G25G的宽温特性适配汽车舱内温度变化,高隔离电压保证电池系统安全。

4. 通信电源监控

基站/服务器电源的电压/电流监控需隔离,防止电源故障影响监控电路。该器件可隔离采集电源输出差分信号,提升系统可靠性。

四、封装与可靠性说明

  • 封装形式:SOIC-8-WB(宽体SOIC-8):适配自动化焊接,宽体设计提升散热性能,适合高密度PCB布局;
  • 可靠性验证:宽温、高隔离参数经过工业级测试(温度循环、湿度老化),保证长期稳定运行;
  • 安全认证:5000Vrms隔离电压符合UL、VDE等国际安全标准,满足系统安全要求。

五、系统设计优势总结

  1. 一体化集成:无需额外光耦、分立运放,简化BOM与PCB设计;
  2. 差分天然抗干扰:比单端输入更适合噪声环境,信号传输更远;
  3. 固定增益一致性好:避免外部电阻带来的增益误差;
  4. 宽温覆盖广:适配工业、汽车等多领域严苛环境;
  5. 高CMTI抗瞬态:适合开关电源、电机等干扰强的场景。

CA-IS1300G25G凭借高性价比与全特性集成,为工业控制、汽车电子等领域提供了高效可靠的信号隔离放大解决方案,可有效提升系统抗干扰能力与安全性。

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