WMSIC Electronic Components

COSINE COS2333MRA

ModelCOS2333MRA
PackageMSOP-8
BrandCOSINE
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
COSINE COS2333MRA
Type
COSINE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
COSINE
Electronic Component
COS2333MRA
Electronic Component
1
Package
MSOP-8
Electronic Component
Precision Op Amp
Electronic Component
0.15g
Electronic Component
1
Electronic Component
Output
Features
Built-in; /; positions
Electronic Component
BM0265013199
Operating Temperature
40℃~+125℃
Amplifier
Electronic Component
Output Current
7mA
(SR)
0.2V/us
Power Supply Voltage
1.8V~5.5V

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

COS2333MRA 精密双路运算放大器产品概述

一、产品简介

COS2333MRA 是科山芯创(COSINE)推出的一款双路精密运算放大器,专为对失调、电压噪声与温漂有严格要求的低功耗系统设计。器件支持宽工作电源:单电源 1.8V ~ 5.5V 或双电源 ±0.9V ~ ±2.75V,具备轨到轨输入与轨到轨输出能力,封装为 MSOP-8,适合空间受限且需高精度的便携与工业方案。

二、主要性能亮点

  • 输入失调电压 (Vos):50 μV(典型),适合高精度直流测量场景
  • 失调温漂 (Vos TC):5 nV/°C,确保长期温度稳定性
  • 增益带宽积 (GBW):350 kHz,适合低频精密放大与滤波器应用
  • 压摆率 (SR):0.2 V/μs,适用于低速、低失真测量通道
  • 输入电压噪声密度 (eN):70 nV/√Hz @1 kHz,低噪声设计有利于高分辨率传感器前端
  • 共模抑制比 (CMRR):120 dB,差分及共模干扰抑制能力强
  • 输入偏置电流 (Ib):25 pA,输入失调电流 (Ios):10 pA,适合高阻抗传感器直接接口
  • 静态电流 (Iq):18 μA(双路总或单路典型值请按 Datasheet 确认),适合电池供电系统
  • 输出驱动能力:7 mA,轨到轨输出可最大化有效动态范围
  • 片内特性:内置补偿、零漂移/自动稳零、反相位输入保护(防止共模超出范围导致相位反转)

三、典型应用场景

  • 精密数据采集与 ADC 驱动(温度/压力/应变计放大)
  • 电池供电的便携式医疗仪器与手持测量仪表
  • 工业过程控制与传感器接口(高阻抗传感器、桥式测量)
  • 低噪声前端放大、精密滤波器和缓冲器
  • 能耗敏感的物联网(IoT)模拟前端

四、设计与使用建议

  • 电源与旁路:在 VCC/VEE 或单电源 VIN 处放置 0.1 μF 与 1 μF 旁路电容以抑制高频/低频噪声,靠近器件引脚布局。
  • 输入保护:尽管器件具有反相位输入保护,仍建议避免输入超出电源范围过大,必要时加入限流或二极管保护。
  • 负载与驱动:输出可驱动数 mA 负载,但不建议长期驱动大电流或大容性负载;如需驱动重负载,增加缓冲级或遵循 Datasheet 建议。
  • 布局注意事项:为达到最小失调与噪声,输入引脚应短线接地,避免高频信号线穿过敏感输入区。温度漂移要求高的设计应保证温度均匀性并做好热源隔离。
  • 工作温度:适用于 -40℃ 至 +125℃ 工业级环境,适配严苛温度工况应用。

五、封装与选型提示

COS2333MRA 提供 MSOP-8 小封装,适合板面空间受限设计。选型时请结合系统带宽、失调与噪声预算、输出驱动需求与功耗指标,参照完整 Datasheet 确认典型/极限参数与引脚功能。若需更高压摆率或更宽带宽,可考虑其它系列补充方案。

如需器件的典型电路、详细引脚图和封装尺寸图,请联系科山芯创技术支持或参考 COS2333MRA 的正式 Datasheet。

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