WMSIC Electronic Components

Hangzhou Ruimeng MS8551S

ModelMS8551S
PackageSOT-23-5
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MS8551S
Type
Relmon
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MS8551S
Electronic Component
1
Package
SOT-23-5
Electronic Component
Precision Op Amp
Electronic Component
0.04g
Electronic Component
1
Electronic Component
Output
Features
ESD; Built-in
Electronic Component
BM0265603501
Operating Temperature
40℃~+125℃
Output Current
51mA
(SR)
0.9V/us
Power Supply Voltage
2.5V~5.5V
Static Current(Iq)
400uA

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

MS8551S精密运算放大器产品概述

一、核心性能参数亮点

MS8551S作为杭州瑞盟推出的工业级精密运算放大器,在直流精度、抗干扰、动态性能等关键指标上实现均衡优化,核心参数优势如下:

  • 精密直流特性:输入失调电压(Vos)仅8μV,输入失调电压温漂(Vos TC)低至56nV/℃,配合20pA的输入偏置电流(Ib)和74pA的输入失调电流(Ios),对传感器等微弱信号的直流偏移抑制能力优异,可直接放大毫伏级甚至微伏级信号;
  • 抗干扰与带宽:共模抑制比(CMRR)达110dB,有效抑制现场共模噪声(如电磁干扰);增益带宽积(GBP)1.16MHz,覆盖中等带宽信号处理需求(如1kHz以下的传感器响应);
  • 动态与驱动能力:压摆率(SR)0.9V/μs,输出电流达51mA,可驱动1kΩ负载实现满幅输出;噪声密度47.5nV/√Hz(@1kHz),低噪声特性适合对信号纯度要求较高的场景(如医疗信号放大)。

二、关键技术特性

  1. 轨到轨输入输出(RRO):支持输入轨到轨(可接近电源轨±10mV)和输出轨到轨(输出摆幅达电源轨±50mV),单电源供电下无需额外电平转换电路,简化系统设计,最大化动态范围;
  2. 低功耗设计:静态电流(Iq)仅400μA,兼顾性能与功耗,适合电池供电的便携式设备(如手持测试仪器);
  3. 宽电源适应性:单电源供电电压2.5V~5.5V,最大电源差(Vdd-Vss)5.5V,兼容3.3V、5V等主流电源系统,适配不同场景的供电需求(如工业PLC的3.3V电源、消费电子的5V USB供电)。

三、适用应用场景

MS8551S的性能特点使其在多领域具有广泛适用性:

  • 精密传感器信号调理:压力传感器、温度传感器、光电传感器等微弱信号放大(如工业压力变送器的mV级信号转V级输出);
  • 工业过程控制:-40℃~+125℃的宽温范围,满足现场 harsh 环境(如户外传感器节点、高温车间设备)的稳定运行;
  • 便携式医疗设备:低功耗、SOT-23-5小封装,适合血糖仪、血氧仪等手持设备的空间与功耗限制;
  • 电池供电系统:单电源2.5V起、低静态电流,延长电池续航(如无线传感器节点);
  • 音频前置放大:合适的带宽(1.16MHz)与低噪声,可用于便携式音频设备的前置信号放大。

四、封装与可靠性

  • 小尺寸封装:采用SOT-23-5封装,体积仅约2.9×1.6×1.1mm,节省PCB布局空间,适合高密度集成设计;
  • 工业级可靠性:工作温度覆盖-40℃至+125℃,符合IEC 60747-1工业级器件标准,杭州瑞盟的制造工艺确保长期稳定运行(平均无故障时间MTBF超10万小时)。

五、总结

MS8551S是一款高性价比工业级运算放大器,集「精密直流精度、宽电源范围、低功耗、轨到轨IO、工业级温度适应性」于一体,以小封装实现高性能,可替代同类进口器件(如TI的TLV2374、ADI的AD8541),广泛应用于精密测量、工业控制、便携式设备等场景,是系统设计中平衡性能与成本的优选方案。

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