WMSIC Electronic Components

UMW LM358ADR

ModelLM358ADR
PackageSOP-8
BrandUMW
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
UMW LM358ADR
Type
UMW
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
LM358ADR
Electronic Component
1
Package
SOP-8
Electronic Component
Operational Amplifier
Electronic Component
0.187g
Electronic Component
1
Electronic Component
BM0227161841
Operating Temperature
0℃~+70℃
Amplifier
2
Output Current
20mA
(SR)
600V/ms
Power Supply Voltage
0V~36V
Static Current(Iq)
1mA
Electronic Component
Electronic Component

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

LM358ADR 产品概述

一、概述

LM358ADR 是一款通用双路运算放大器,适用于单电源或双电源供电,具有低功耗、宽电源电压范围和良好的共模抑制性能。该器件由 UMW(友台半导体)提供,封装为 SOP-8,面向工业控制、传感器信号调理、差分放大与滤波等常见模拟电路应用场景。

二、主要性能参数

  • 共模抑制比(CMRR):85 dB
  • 最大电源宽度(VDD-VSS):36 V
  • 输入失调电压(Vos):典型 5 mV
  • 输入偏置电流(IB):45 nA
  • 输入失调电流(Ios):30 nA
  • 输入失调电流温漂(Ios TC):10 pA/°C
  • 输入失调电压温漂(Vos TC):7 μV/°C
  • 放大器数:双路
  • 静态电流(Iq):1 mA(全芯片或单路视具体数据手册而定)
  • 输出电流能力:20 mA
  • 单电源工作范围:0 V ~ 36 V
  • 双电源工作范围:-16 V ~ +16 V
  • 工作温度范围:0 ℃ ~ +70 ℃
  • 封装:SOP-8

三、主要特性与优势

  • 宽电源电压范围,支持高达 36 V 的单电源或 ±16 V 的对称双电源,便于直接与多种电源系统兼容。
  • 低静态电流(Iq ≈ 1 mA),适合对功耗敏感的便携及远程供电系统。
  • 良好的共模抑制(85 dB)和较低的输入失调电压(5 mV),利于提高差分测量与低频精度。
  • 输入偏置电流与失调电流温漂较小,结合低 Ios TC(10 pA/°C)和 Vos TC(7 μV/°C),在温度变化条件下表现稳定,适合需要温漂控制的测量场合。
  • 输出驱动能力可达 20 mA,适合直接驱动小功率负载或后级驱动缓冲。

四、典型应用场景

  • 传感器信号调理(如温度、电压、电流传感器前端放大)
  • 有源滤波器(低通、高通、带通等)与积分/微分电路
  • 工业控制与模拟信号处理模块
  • 电池管理与电源监测系统(采用单电源工作)
  • 仪表放大器与差分放大器(利用较高的 CMRR 提升共模抑制)

五、封装与布局建议

  • 封装为 SOP-8,适合表面贴装工艺(SMT),便于批量生产与自动贴装。
  • PCB 布局建议:电源引脚靠近去耦电容,使用 0.1 μF 陶瓷并行 10 μF 电解/钽电容以抑制高频与低频噪声;输入端避免长导线,合理布线以减少干扰与寄生电容。
  • 输出负载与散热:尽量避免长期在最大输出电流(20 mA)下工作,以防温升影响参数稳定性;必要时改善散热或降低负载。
  • 输入保护:若可能遇到高压瞬变或电流回灌,应加入限流电阻或钳位器件以保护输入级。

六、使用注意事项

  • 切勿超过最大电源电压差 36 V,以防器件损坏。
  • 虽然器件支持接近地的输入,但并非全面的轨到轨输入/输出放大器,在接近电源轨时的线性与摆幅能力受限,设计时应留有裕量。
  • 温度范围为 0 ℃~+70 ℃,在更宽温区或工业级要求下请参考具体型号与替代件。
  • 在对失调和温漂有严格要求的场合,建议在电路中采用补偿或后期校准手段。

七、采购与替代建议

  • 型号:LM358ADR,品牌:UMW(友台半导体),封装:SOP-8。
  • 若需要更高精度、更低失调或更宽温度范围,可考虑低失调版、轨到轨输出型或工业级器件作为替代;在替换时注意对比 Vos、CMRR、输入范围及功耗等关键参数。

总结:LM358ADR 为一款性能均衡的通用双路放大器,凭借宽电源范围、低功耗与良好的共模抑制,非常适合多种模拟前端与控制场景。实际设计中应关注电源去耦、输入保护与热管理,以确保长期稳定可靠运行。

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