WMSIC Electronic Components

Hangzhou Ruimeng MS8628

ModelMS8628
PackageSOP-8
BrandElectronic Component
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MS8628
Type
Relmon
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MS8628
Electronic Component
1
Package
SOP-8
Electronic Component
Precision Op Amp
Electronic Component
0.15g
Electronic Component
1
Electronic Component
Output
Features
Built-in
Electronic Component
BM0265802189
Operating Temperature
40℃~+125℃
Amplifier
Electronic Component
Output Current
30mA
(SR)
1.25V/us
Power Supply Voltage
1.8V~5V

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

MS8628 精密运算放大器产品概述

一、产品定位与核心特性

MS8628是杭州瑞盟推出的单路精密运算放大器,针对对直流精度、低噪声、宽电源适应性有明确要求的应用场景设计,兼顾交流性能与功耗控制,覆盖工业级宽温范围,是传感器信号调理、便携式设备等领域的高性价比选择。其核心特性可总结为:高直流精度+宽电源范围+轨到轨输入输出+工业级宽温。

二、关键性能参数深度解析

(1)直流精度:满足精密测量核心需求

作为精密运放的核心指标,MS8628在直流参数上表现突出:

  • 输入失调电压(Vos)仅2μV,输入失调电压温漂(Vos TC)低至30nV/℃,可有效降低温度变化对输出精度的影响,适合长期稳定测量场景;
  • 输入偏置电流(Ib)30pA、输入失调电流(Ios)40pA,属于pA级超低偏置,适配高阻抗输入场景(如压电传感器、光电二极管),避免信号衰减;
  • 共模抑制比(CMRR)达140dB,对共模干扰信号的抑制能力极强,能有效过滤环境噪声(如电磁干扰),提升输出信号纯度。

(2)交流性能:均衡带宽与响应速度

交流性能兼顾带宽与压摆率,适配中等频率需求:

  • 增益带宽积(GBP)3.8MHz,在1kHz频率下可保持稳定增益,满足低速数据采集、传感器信号放大的带宽要求;
  • 压摆率(SR)1.25V/μs,可快速响应信号变化,避免大信号失真,适合动态信号放大;
  • 噪声密度(eN)22nV/√Hz(@1kHz),属于低噪声水平,能有效放大微弱信号(如生物电、微弱电压信号),提升弱信号检测能力。

(3)电源与输出:灵活适配多种场景

电源适应性强,输出能力满足中等负载:

  • 单电源支持1.8V5V宽范围,双电源支持±0.9V±2.5V,最大电源电压差(Vdd-Vss)达5V,可兼容低功耗便携式设备与传统电源系统;
  • 采用轨到轨输入+轨到轨输出设计,输入可接近电源轨(轨-轨),输出可驱动至电源轨附近,充分利用电源电压范围,提升小信号放大的动态范围;
  • 输出电流达30mA,可驱动小型负载(如LED、小功率继电器、中等阻抗电阻网络),无需额外驱动电路。

(4)可靠性与功耗:工业级宽温+低功耗

  • 工作温度范围覆盖**-40℃~+125℃**,符合工业级环境要求,可在极端温度下稳定工作(如户外传感器、车载系统);
  • 静态电流(Iq)仅1.1mA,在保证性能的前提下控制功耗,适合电池供电的便携式设备(如智能穿戴、手持测量仪)。

三、典型应用场景

MS8628的性能特点使其可广泛应用于以下领域:

  1. 工业传感器信号调理:压力传感器、温度传感器、应变计等的微弱信号放大,利用其低噪声、宽温特性提升测量精度;
  2. 便携式医疗设备:如血糖监测仪、小型心电图仪,单电源低功耗设计适配电池供电,低噪声满足生物电信号放大需求;
  3. 低速数据采集系统:工业自动化中的温度、湿度采集,轨到轨设计提升小信号采集范围;
  4. 汽车电子辅助系统:如车载胎压监测、液位传感器的信号处理,宽温范围适配汽车环境(-40℃低温启动、125℃高温工作);
  5. 消费电子:如智能手环的心率监测、智能插座的电流检测,低功耗与小封装(SOP-8)适配小型化设计。

四、封装与品牌支持

MS8628采用SOP-8封装,体积小巧(5.2mm×6.0mm),焊接工艺成熟,可兼容常规PCB设计,适合批量生产,降低系统成本。
杭州瑞盟作为国内专注模拟芯片设计的厂商,在精密运放、电源管理等领域拥有成熟的研发与生产体系,MS8628依托其技术积累,具备高可靠性与本土化技术支持优势。

MS8628凭借其均衡的性能与成本优势,成为工业、医疗、消费电子等领域精密信号放大的优选器件。

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