WMSIC Electronic Components

SGMICRO SGM621XMS8G/TR SGM621XMS8G

ModelSGM621XMS8G/TR
PackageMSOP-8
BrandSGMICRO
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 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SGMICRO SGM621XMS8G / TR
Type
SGMICRO
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
SGM621XMS8G/TR
Electronic Component
1
Package
MSOP-8
Electronic Component
Instrumentation Amplifier
Electronic Component
0.12g
Electronic Component
1
Electronic Component
Output
Features
Resistor
Electronic Component
BM0229934280
Operating Temperature
40℃~+125℃
Amplifier
Electronic Component
Output Current
24mA
(SR)
1.2V/us
Static Current(Iq)
1.3mA

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

SGM621XMS8G/TR 仪表放大器产品概述

一、产品简介

SGM621XMS8G/TR 是由 SGMICRO(圣邦微)推出的单路仪表放大器,封装为 MSOP-8,面向精密传感信号的调理与放大。该器件具有轨到轨输出能力、低输入偏置与低失调电压,适合在工业与便携式测量系统中进行高精度差分信号采集。

二、主要特性

  • 放大器通道数:单路
  • 共模抑制比(CMRR):105 dB(高抑制共模干扰)
  • 输入偏置电流(Ib):15 nA(适合高阻抗传感器)
  • 输入失调电压(Vos):150 μV(低失调,降低后续校准负担)
  • 压摆率(SR):1.2 V/μs(适用于中等速率信号)
  • 输出电流:24 mA(可驱动中等负载)
  • 输出类型:轨到轨输出(提高单电源动态范围)
  • 静态电流(Iq):1.3 mA(低功耗设计,有利于电池供电)
  • 工作温度范围:-40 ℃ 至 +125 ℃(满足工业级可靠性)
  • 封装:MSOP-8

三、性能优势与设计要点

SGM621X 的高 CMRR(105 dB)在桥式传感器或差分测量场合能有效抑制共模干扰,提升测量精度。150 μV 的低输入失调与 15 nA 的偏置电流降低了零点误差并适配高阻抗探头,有利于长期稳定测量。轨到轨输出配合低静态电流,便于在单电源与低功耗系统中获得较大动态范围。需要注意压摆率为 1.2 V/μs,若用于大幅度快速边沿信号,需评估是否影响瞬态响应;24 mA 的输出驱动能力适合驱动采样电路或低阻抗负载,但非用于高电流驱动。

在电路布局上建议靠近放大器做良好电源去耦、短走线连接差分输入,并对高阻抗输入采用合适的防护与屏蔽以防噪声与漏电流影响测量精度。

四、典型应用场景

  • 应变计/压力传感器桥式信号调理
  • 精密数据采集系统与模数转换前端
  • 工业过程控制与监测仪表
  • 电池供电的便携式测量设备
  • 医疗诊断与生物电信号放大(需按应用规范验证)

五、封装与可靠性

MSOP-8 小型封装便于紧凑系统集成,器件工作温度覆盖 -40 ℃ 至 +125 ℃,满足工业级环境需求。综合低功耗、高 CMRR 与轨到轨输出,使 SGM621XMS8G/TR 在需要精密差分放大的场合具有良好性价比与实用性。若需更详细的电气特性、引脚排列与典型应用电路,建议参阅 SGMICRO 官方规格书与评估资料。

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