WMSIC Electronic Components

ST LM293DT Dual Comparator LM293DT

ModelLM293DT
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
ST(STMicroelectronics) LM293DT
Type
ST
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
LM293DT
Electronic Component
1
Package
SO-8
Electronic Component
Comparator
Electronic Component
0.333g
Power Supply
2V~36V
Electronic Component
1
Electronic Component
BM0000281891
Operating Temperature
40℃~+105℃
Comparator
Electronic Component
Output
TTL;MOS;DTL;CMOS;ECL
(tr)
1.3us
Static Current(Iq)
450uA

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

LM293DT 产品概述

一、产品简介

LM293DT是一款高性能的比较器,专为广泛的模拟信号处理应用而设计。该器件由意法半导体(STMicroelectronics)生产,具有高精度和可靠性,适用于各种工业和消费电子产品。LM293DT采用了开路集电极输出(Open-Collector),该设计使其能够与多种逻辑电平兼容,包括TTL、CMOS和DTL,从而增强了灵活性和兼容性。

二、主要特性

  1. 输出类型:LM293DT具有多种输出选项,包括CMOS、DTL、ECL、MOS、开路集电极和TTL,支持多种系统集成和设计要求。

  2. 功耗:各通道功耗为2.5mA,这为应用提供了良好的能效。

  3. 比较器组数:该器件包含两个比较器,这使得它能够在单个封装中处理多个信号,从而节省板级空间和成本。

  4. 工作温度范围:LM293DT的工作温度范围广泛,覆盖-40°C至105°C,确保其在各种环境条件下的可靠性和稳定性,特别适合于严苛的工业应用。

  5. 电源电压范围:它的电源电压范围为2V至36V,支持单电源及双电源供电(±1V至±18V),这种极大的灵活性使得LM293DT能够适应多种不同的电路配置。

  6. 输入补偿和偏置电流:该器件的输入补偿电压最大值为5mV(在30V时),并且输入偏置电流最大值仅为0.25µA(在5V时),这些参数保证了高精度的比较性能。

  7. 输出电流能力:在5V供电时,较高的输出电流能力(典型值为18mA)使得该器件能够驱动较大负载,适用于更复杂的输出需求。

  8. 静态电流:最大静态电流为2.5mA,进一步优化了功耗。

  9. 封装类型:LM293DT采用8-SOIC封装(0.154"宽,3.90mm),为表面贴装型设计,这为板载集成和自动化生产提供了便利。

三、应用场景

由于其众多优异的特性,LM293DT广泛应用于以下领域:

  1. 工业控制系统:用于监控和比较传感器信号,如温度、压力或电流等,以实现自动化和反馈控制。

  2. 汽车电子:在汽车系统中,用于执行精确的信号比较,确保系统的安全性和效率。

  3. 消费电子:可用于电池管理系统中,对电池电压进行监控和比较,同时适用于音频信号处理设备。

  4. 家电设备:在家电设备中,可以用作温度控制、过载保护等功能的实现。

  5. 医疗设备:在医疗仪器中,LM293DT可以用于关键参数的监测和比较,以确保设备的精确性和可靠性。

四、总结

LM293DT是一个高度稳定和灵活的比较器,能够在各种工业和电子应用环境中表现出色。其多种输出类型、宽温度范围和低功耗特性,使其成为设计师在构建复杂电路时的理想选择。无论在何种应用场景,LM293DT凭借其高性能和可靠性,均能提供优质的解决方案,帮助实现设计目标。选择LM293DT,可以为您的设计增添额外的信心和灵活性。

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