WMSIC Electronic Components

ST LM358DT Dual Operational Amplifier LM358DT

ST LM358DT Dual Operational Amplifier LM358DT
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Product image

ModelLM358DT
PackageSO-8
BrandST
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+

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Technical data

Product details

20 specifications

Core information

Product name
ST(STMicroelectronics) LM358DT
Type
ST(STMicroelectronics)
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
LM358DT
Electronic Component
1
Package
SO-8
Electronic Component
Operational Amplifier
Electronic Component
0.28g
Electronic Component
1
Features
Built-in
Electronic Component
BM0000288017
Operating Temperature
0℃~+70℃
Amplifier
2
Output Current
40mA
(SR)
600V/ms
Power Supply Voltage
3V~30V

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

LM358DT 产品概述

概述

LM358DT 是一款双路运算放大器，广泛应用于各类模拟信号处理电路。作为意法半导体（STMicroelectronics）生产的通用运算放大器，LM358DT 具有优异的性能参数和强大的适应性，适合用于音频放大、信号调理、数据采集、传感器接口等多个场景。该器件采用8封装（SOIC-8），便于在现代电子设备中实现高密度布局。

关键参数

  1. 增益带宽积（GBP）：LM358DT 的增益带宽积为1.1 MHz，这意味着在增益较高时，其有效带宽有所下降，用户需要根据具体应用选择合适的增益设置，以保证良好的信号传输质量。

  2. 放大器组数：本器件集成了两个运算放大器，这使得其具备良好的多功能性，适用于需要多个通道的应用场景。

  3. 压摆率（SR）：其压摆率为0.6 V/µs，表明该器件在输出信号变化时的响应速度。在高频信号或快速脉冲波形处理中，用户应考虑这一参数，以确保器件能跟上信号变化的速率。

  4. 工作电源电压：LM358DT 工作电压范围为单极性3V至32V，或双极性±1.5V至±16V，能够适配不同的电源供电情况，增加了其应用的灵活性。

  5. 功耗：该 IC 在工作时每通道仅消耗700 µA 的电流，表现出较低的功耗，适合于对电源要求严格的便携式或无线设备。

  6. 输入偏置电流：LM358DT 的输入偏置电流仅为20 nA，输入端电压补偿为2 mV，这使其非常适合于低信号处理应用，降低了输入信号的失真。

  7. 输出能力：每通道支持高达60 mA 的输出电流，确保其在负载较高的情况下依然能够提供充足的驱动能力。

  8. 工作温度：具有0°C至70°C的工作温度范围，使其适合用于大多数工业和消费类电子设备。

  9. 安装类型与封装：采用表面贴装型，在空间有限的现代电子产品中表现优越，8-SOIC（0.154"，3.90mm 宽）封装形式便于自动化焊接。

应用场合

LM358DT 运算放大器的广泛适用性使其成为多个应用领域的优选：

  • 传感器接口：用于信号调理，增强传感器输出并提高信号的可处理性。
  • 音频设备：可用于音频放大器，以增强音频信号质量。
  • 数据采集系统：在配合模数转换器时，可用于放大模拟信号，以提高采集精度。
  • 电压比较器：通过适当配置，可以作为比较器使用，广泛应用于开关电源、限幅电路等场景。

总结

LM358DT 是一款性能可靠、功能多样的双路运算放大器，适合多种应用场景。凭借其优良的电流和温度特性，软件设计工程师可以在产品设计中更好地利用此器件来优化设计，减少电源消耗，提高信号处理能力。无论是在消费电子、工业设备还是医疗器械领域，LM358DT 都是一个不可或缺的重要元器件。

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