WMSIC Electronic Components

TI LM393DR

ModelLM393DR
PackageSOIC-8
BrandTI
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

20 specifications

Core information

Product name
TI(Texas Instruments) LM393DR
Type
TI
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TI(Texas Instruments)
Electronic Component
LM393DR
Electronic Component
1
Package
SOIC-8
Electronic Component
Comparator
Electronic Component
0.244g
Power Supply
2V~36V
Electronic Component
1
Electronic Component
BM0000002711
Operating Temperature
0℃~+70℃
Comparator
Electronic Component
Output
TTL;CMOS
Output Type
Electronic Component
(tr)
1.3us

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

LM393DR 产品概述

一、产品简介

LM393DR 是一款由德州仪器(Texas Instruments, TI)生产的双路比较器,广泛应用于各种电子电路中,用于电压比较、信号处理以及其他需要高精度电压比较的场合。LM393DR 属于 CMOS、MOS 以及 TTL 输出类型,具有高输入阻抗和低输出电流的特点,适合多种应用场景。

二、基本参数与特性

  1. 电源电压范围:LM393DR 的供电电压范围为 2V ~ 36V(单电源)和 ±1V ~ 18V(双电源),使其适应性广泛。此设计使得 LM393DR 能够在多种电源条件下工作,为电子设计提供了灵活性。

  2. 输入补偿:该器件具有 5mV 的输入补偿特性,这意味着在最大工作电压 30V 时,输入电压的微小变化也能够得到有效的比较。这对于需要高精度电压判别的应用尤为重要,使得 LM393DR 能够在变化的工作条件下保持稳定的性能。

  3. 输入偏置电流:LM393DR 的输入偏置电流为最大 0.25µA @ 5V,这一特性表明其在工作时对外围电路的影响较小,进一步增强了其在高阻抗环境下的适应性,尤其适合于传感器及其他微弱信号处理电路。

  4. 输出电流:该器件的输出电流典型值为 20mA,提供足够的驱动能力以连接后续的电路或负载。此特性使得 LM393DR 在需要驱动负载(如LED指示灯、声音报警器等)的应用中表现优异。

  5. 静态电流:LM393DR 的最大静态电流为 2.5mA,意味着在无输入信号的状态下,器件的功耗较低,对于便携式设备及低功耗系统尤为重要。

  6. 工作温度范围:该器件的工作温度范围为 0°C ~ 70°C,适用于大多数常规商业和工业应用环境。

三、封装与安装

LM393DR 采用 8-SOIC(0.154",3.90mm 宽)封装,表面贴装类型的设计使得其适合自动化生产和小型化设备的应用。同时,8-SOIC 封装也确保了较高的引脚间隔和较好的散热性能,便于在高密度电路板上布置。

四、应用领域

LM393DR 比较器因其优越的性能在多个领域得到广泛使用,包括但不限于:

  • 电源监测:用于监测电池或电源电压,以确保系统在安全的电压范围内运行。
  • 传感器应用:可以用来处理来自各类传感器的模拟信号并进行电压比较,进而驱动后续的控制电路。
  • 过流保护:在电源盒或电机驱动应用中,LM393DR 可作为过流保护,帮助实现自我保护机制。
  • 阈值检测:在多种检测电路中,LM393DR 可用于设置不同的阈值,确保及时响应环境或系统状态的变化。

五、结论

总之,LM393DR 是一款功能强大的双路比较器,凭借其广泛的电压适应范围、低输入偏置电流、高输出能力及低功耗特性,成为各类电子设计中的理想选择。其应用领域的多样性和可靠性,确保了它在现代电子产品中的重要地位。由TI提供的质量与技术支持,也为用户在设计与实施阶段提供了有效保障。

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