WMSIC Electronic Components

SGMICRO SGM8965A-2XMS8G/TR SGM8965A

ModelSGM8965A-2XMS8G/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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SGMICRO SGM8965A-2XMS8G / TR
Type
SGMICRO
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
SGM8965A-2XMS8G/TR
Electronic Component
1
Package
MSOP-8
Electronic Component
Operational Amplifier
Electronic Component
0.117g
Electronic Component
1
Electronic Component
Output
Features
Built-in
Electronic Component
BM0230675551
Operating Temperature
40℃~+125℃
Amplifier
2
Output Current
85mA
(SR)
30V/us
Power Supply Voltage
2.2V~5.5V

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

SGM8965A-2XMS8G/TR 产品概述

一、产品简介

SGM8965A-2XMS8G/TR 是圣邦微(SGMICRO)推出的一款双通道轨到轨运算放大器,封装为 MSOP-8,面向便携式、工业级和精密测量类应用。器件集成了内部补偿,工作电源宽泛(单电源 2.2V 至 5.5V),并具有较低的输入失调与噪声特性,适合对直流精度和低噪声有较高要求的系统设计。

二、主要性能参数

  • 放大器通道数:2(双运放)
  • 轨到轨输入 / 轨到轨输出:支持,适应低电压单电源系统
  • 增益带宽积(GBW):50 MHz
  • 压摆率(SR):30 V/µs
  • 输入失调电压(Vos):典型 50 µV
  • 输入失调电压温漂(Vos TC):1.4 µV/℃
  • 输入偏置电流(Ib):约 1 pA
  • 输入失调电流(Ios):约 1 pA
  • 输入电压噪声密度(eN):5.5 nV/√Hz @ 100 kHz
  • 共模抑制比(CMRR):94 dB
  • 静态电流(Iq):约 5 mA(每通道/器件典型值,视工作条件而定)
  • 输出驱动能力:最高可达 85 mA
  • 工作温度范围:-40 ℃ 至 +125 ℃
  • 包装:MSOP-8(TR 表示带盘卷装带)

三、性能亮点与价值点

  • 高精度:50 µV 的低输入失调与 1.4 µV/℃ 的低漂移,保证了直流测量与低频放大电路的长期稳定性,适合测量放大、差分感测等场合。
  • 低偏置与高输入阻抗:1 pA 级偏置电流,适配高阻抗传感器或电荷式源(如电容式传感器、光电二极管前置)。
  • 轨到轨输入/输出:在低电源电压下仍能实现较宽的输入/输出摆幅,便于直接与单电源系统和 ADC 接口配合。
  • 低噪声与快速响应:5.5 nV/√Hz 的电压噪声密度和 30 V/µs 的压摆率,使其在中高频率带宽与瞬态响应上表现良好,适合作为 ADC 驱动或滤波放大器。
  • 良好输出驱动能力:85 mA 的驱动电流支持小功率负载驱动或短时间的采样保持充放电需求。

四、典型应用场景

  • 精密传感器接口:压力/力/电化学传感器前端放大器
  • 数据采集系统:ADC 驱动、差分放大、信号调理
  • 便携式与电池供电设备:低电压轨到轨操作,延长电池寿命
  • 主动滤波与脉冲信号处理:有源滤波器、峰值保持、采样保持电路
  • 医疗与工业控制:需要高直流精度与宽温度范围的系统

五、封装与选型建议

  • 封装:MSOP-8,适合空间受限的应用板级设计。TR 后缀表示卷带供货,便于 SMT 批量贴装。
  • 电源与旁路:建议在供电轨附近放置高频旁路电容(如 0.1 µF)以抑制瞬态噪声与改善稳定性。
  • 布局注意事项:输入端对高阻抗源时应尽量缩短走线并采取屏蔽/防浮措施以保持低偏置与低噪声特性;输出驱动重负载时注意散热与去耦。
  • 工作条件选择:在要求极低噪声或极高速响应的场合,可根据增益带宽与压摆率评估电路带宽与相位裕度,必要时简化回路或加滤波以保证稳定。

六、总结

SGM8965A-2XMS8G/TR 是一款面向精密与便携应用的高性能双运放,兼顾低失调、低漂移、低噪声与轨到轨输出特性,适用于广泛的信号调理与驱动场景。其 50 MHz 的 GBW 与 30 V/µs 的压摆率在多数中等速率模拟电路中提供充足的性能,同时 85 mA 的输出能力为驱动外围负载提供了良好保障。选择时请根据具体带宽、噪声与输出驱动需求进行仿真验证。

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