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ST LM393ST Dual Comparator LM393ST
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ST(STMicroelectronics) LM393ST
- Type
- ST
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- LM393ST
- Electronic Component
- 1
- Package
- MiniSO-8
- Electronic Component
- Comparator
- Electronic Component
- 0.144g
- Power Supply
- 2V~36V
- Electronic Component
- 1
- Electronic Component
- BM0000286017
- Operating Temperature
- 0℃~+70℃
- Comparator
- Electronic Component
- Output
- TTL；CMOS
- (tr)
- 1.3us
- Static Current(Iq)
- 450uA
- 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.
LM393ST 产品概述
1. 产品简介
LM393ST 是由意法半导体（STMicroelectronics）推出的一款双通道比较器，广泛应用于信号处理、数据采集及控制系统中。这款器件的出色性能和灵活的电压供电范围使其成为自动化控制、电机驱动和传感器接口等多种应用的理想选择。
2. 主要特性
- 电源电压范围：LM393ST 可在2V至36V（单电源）或±1V到±18V（双电源）下正常工作，极大的灵活性使得它能适应多种电源配置。
- 低输入补偿电压：输入补偿电压最大值为5mV，在30V的工作电压下，这意味着该器件对输入信号的变化非常敏感，可以进行精准的比较。
- 输入偏置电流：最大输入偏置电流仅为0.25µA（在5V时），这使得LM393ST能够在低功耗环境下运行，避免了对电源的过度消耗。
- 输出能力：在5V供电下，LM393ST 能够输出最大18mA的电流，适合驱动各种后续电路。
- 静态电流：最大静态电流为2.5mA，进一步提高了器件的效率，特别是在电池供电的应用中显得尤为重要。
- 工作温度范围：工作温度范围为0°C至70°C，适应了大多数工业标准。
3. 封装与安装
LM393ST采用8-MiniSO封装，这种小型封装使得在空间受限的设计中变得更加易于应用。表面贴装型的特性，也为现代电子设备的生产线提供了良好的焊接兼容性，适合自动化生产。
4. 应用领域
LM393ST的广泛应用主要集中在以下领域：
- 信号比较：适用于对电压信号进行比较，例如过压或欠压监测系统。
- 电压监控：可以在电池管理系统中使用，以保证电池在安全的工作电压范围内。
- 温度控制系统：通过与热电偶或RTD传感器结合，实现温度检测控制。
- 主动滤波：在音频和信号处理系统中，可用作主动滤波器的一部分，提升系统的兼容性和性能。
5. 性能优势
- 精度高：得益于低输入补偿电压和低输入偏置电流，LM393ST在测量和信号处理中的精度得到了有效保证。
- 功耗低：其设计使得LM393ST在静态状态下消耗极小的电流，适合用于更加节能的应用场景。
- 双通道：作为双通道比较器，LM393ST能够在同一芯片上支持两个信号的比较，从而降低了系统复杂性和PCB面积。
6. 结论
LM393ST是一款功能强大的双通道比较器，凭借其广泛的电压范围、低功耗和高精度等优点，成为了多种现代电子应用中不可或缺的元件。从电池管理到工业控制，LM393ST都展示了其卓越的性能和应用灵活性，对设计工程师来说，其可靠性与高效性的结合是其选择的关键原因之一。随着技术的不断进步和应用需求的增加，LM393ST仍将继续发挥其重要作用。
通过对LM393ST产品特性的深入了解，可以帮助工程师在设计阶段做出明智的选择，以满足特定的应用需求。
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