WMSIC Electronic Components

TI LM293DR

ModelLM293DR
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) LM293DR
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
LM293DR
Electronic Component
1
Package
SOIC-8
Electronic Component
Comparator
Electronic Component
0.173g
Power Supply
2V~36V
Electronic Component
1
Electronic Component
BM0000282082
Operating Temperature
25℃~+85℃
Comparator
Electronic Component
Output
TTL
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.

LM293DR 产品概述

一、产品简介

LM293DR 是由德州仪器(Texas Instruments)研发的一款高性能差分比较器,具有两路输入通道,支持开漏输出,以适应各种应用需求。该比较器的设计旨在提供优秀的电压比较性能,特别是在低电压和低电流环境下的应用,广泛应用于传感器信号处理、电压监控及其他自动化系统中。

二、基本特性

  1. 类型与通道数:LM293DR 是一款差分比较器,具有两个独立的输入通道,允许用户并行处理多个信号。
  2. 输出类型:该器件支持 CMOS、MOS、开漏(Open-Drain)及 TTL 输出格式,具有良好的兼容性和灵活性,适合不同的电路设计需求。
  3. 供电电压范围:
    • 单电源供电: 2V ~ 36V
    • 双电源供电: ±1V ~ ±18V

这一宽广的电源电压范围使得 LM293DR 可以在多种电源条件下正常工作,提升了整个系统的适应性。

  1. 输入补偿电压:最大输入补偿电压为 5mV,即使在30V的工作条件下,LM293DR 依然可以保持高准确性。这一特性对于要求高精度电压比较的应用尤为重要。

  2. 输入偏置电流:其最大输入偏置电流为 0.25µA(在5V供电下),极低的输入电流非常适合与高阻抗传感器的接口,确保信号的完整性而不会被拉低。

  3. 输出电流:LM293DR 的典型输出电流为 20mA,能够驱动相对较大的负载,满足一般的控制和指示需求。

  4. 静态电流:器件的最大静态电流为 2.5mA,低静态功耗设计十分适合那些对功耗有严格要求的便携设备。

三、工作环境

LM293DR 的工作温度范围为 -25°C 至 85°C,能够在恶劣的环境条件下保持可靠的性能。这一特性使得该器件适用于汽车、工业控制、网络设备及各种户外应用。

四、封装及安装

LM293DR 采用 8-SOIC 封装,尺寸为 0.154 英寸(3.90mm 宽),属于表面贴装型(SMD),便于在现代电子设备的高密度布线中进行使用。该封装形式不仅减小了电路板面积,同时也提高了生产效率。

五、应用领域

由于其优异的性能和灵活的配置,LM293DR 被广泛应用于多个领域,包括但不限于:

  • 传感器接口:可以与多种传感器(如温度、压力、液位传感器)连接,实现实时监测和反馈控制。
  • 电压监控:用于对电池或电源电压进行比较和监控,防止设备由于低电压而出现故障或损坏。
  • 信号处理:在音频和信号系统中,能够帮助实现信号的比较和放大。
  • 工业控制:可用于各种自动化设备中,如开关、继电器等,确保设备按照设定的条件进行响应。

六、总结

LM293DR 是一款具有丰富功能和良好性能的差分比较器,既可以满足高精度的电压比较需求,又具备低功耗和宽电源电压范围的优势,适合于多种应用场景。在选择合适的比较器时,LM293DR 凭借其特有的特性与出色的性能,成为电子设计工程师的理想选择。通过德州仪器提供的高可靠性和丰富的应用支持,LM293DR 无疑将为各种电子应用提供强大的支持和保障。

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