WMSIC Electronic Components

HGSEMI OP07CM/TR OP07CM

ModelOP07CM/TR
PackageSOP-8
BrandHGSEMI
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
HGSEMI OP07CM / TR
Type
HGSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
OP07CM/TR
Electronic Component
1
Package
SOP-8
Electronic Component
Operational Amplifier
Electronic Component
0.224g
Electronic Component
1
Electronic Component
BM0264801308
Operating Temperature
0℃~+105℃
Amplifier
1
(SR)
170V/ms
Static Current(Iq)
2.7mA
Electronic Component
Electronic Component
Electronic Component
2500
(GBW)
500kHz

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

OP07CM/TR 产品概述

一、产品简介

OP07CM/TR(品牌:HGSEMI 华冠)是一款面向精密测量和仪器仪表的单通道低偏置、高精度运算放大器。器件强调极低的输入失调电压与失调电压漂移,配合较低的噪声与良好的共模抑制特性,适合要求直流精度和小信号放大的场合。

二、主要参数(关键规格)

  • 放大器数:1
  • 最大电源宽度(VDD–VSS):44 V
  • 双电源工作范围(VEE ~ VCC):-3 V ~ +22 V
  • 增益带宽积(GBW):500 kHz
  • 输入失调电压(Vos):最大 150 μV(典型更低)
  • 输入失调电压温漂(Vos TC):500 nV/℃
  • 输入偏置电流(Ib):典型 1.8 nA,最大 6.7 nA(视工艺与批次)
  • 输入失调电流(Ios):6 nA;温漂(Ios TC):50 pA/℃
  • 压摆率(SR):170 V/ms
  • 输入电压噪声密度(eN):10 nV/√Hz @ 1 kHz
  • 共模抑制比(CMRR):120 dB
  • 静态电流(Iq):约 2.7 mA
  • 工作温度范围:0 ℃ ~ +105 ℃
  • 封装:未定(订购时请确认具体封装版本)

三、性能特点与优势

  • 极低的输入失调电压与漂移:适合高精度直流测量和零点校准要求高的放大器前端。
  • 低噪声设计:10 nV/√Hz(1 kHz)在微小信号测量中能有效提高信噪比。
  • 良好的共模抑制(120 dB)和高开环增益(高达数十万级,说明文档标注为 400 V/mV)使得器件在共模变化或差分小信号时仍保持高精度。
  • 中等带宽与较高压摆率:GBW 500 kHz 与 170 V/ms 压摆率适合大多数精密放大与滤波场合,但不适合高速信号链的宽带放大。

四、典型应用场景

  • 仪器仪表与数据采集前端:精密差分放大、信号调理、传感器接口(例如应变计、热电偶放大等)。
  • 精密直流放大器:用于电压基准放大、电位器微调放大。
  • 活性滤波器与低速数据采集系统:注重直流精度与低频噪声的模拟前端。
  • 桥路放大与测量电路:利用低失调降低零点误差,减少后续校准工作量。

五、使用建议与注意事项

  • 电源与旁路:尽量在电源引脚近侧放置陶瓷/钽电容做旁路,抑制电源干扰对直流精度的影响。
  • 输入保护:若存在大幅度过载或ESD风险,建议在输入端增加限流电阻与保护二极管,防止输入结反向或过流导致性能退化。
  • 带宽与增益折衷:GBW 500 kHz 表明在闭环增益较高时带宽会受限(例如闭环增益 100 时带宽约 5 kHz),在设计滤波与放大倍数时应按需调整。
  • 温漂校准:对于高精度系统,建议在系统级进行温度漂移校准或选择恒温/补偿方案以最大限度降低 Vos 引入的误差。

六、封装与选型提示

当前信息未指明具体封装(例如 DIP、SOIC 等),在采购与替换时请向供应商确认 OP07CM/TR 的封装型号与引脚兼容性。若替代器件需求严格,请核对偏置、电流、失调与温漂等关键参数的极限值,尤其注意输入偏置电流的典型与最大值差异。

七、总结

OP07CM/TR(HGSEMI)是一款面向精密模拟测量的低失调、高共模抑制运放,适合注重直流精度和低频噪声的仪表类应用。在电源旁路、输入保护和带宽管理方面按建议实践,可发挥其在测量端的性能优势。购买与设计前,请务必确认具体封装与器件的最终数据表以确保与系统需求完全匹配。

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