WMSIC Electronic Components

UMW LM293DR

ModelLM293DR
PackageSOP-8
BrandUMW
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

19 specifications

Core information

Product name
UMW LM293DR
Type
UMW
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
LM293DR
Electronic Component
1
Package
SOP-8
Electronic Component
Comparator
Electronic Component
0.196g
Power Supply
2V~32V
Electronic Component
1
Electronic Component
BM0095836759
Operating Temperature
20℃~+85℃
(tr)
1.3us
Static Current(Iq)
1mA
(tpd)
300ns
Electronic Component
Electronic Component
Electronic Component
2500

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

1. 引言

LM293DR是一款由友台半导体(UMW)生产的集成电路(IC),属于比较器(Comparator)系列。这款器件采用8引脚的SOIC(Small Outline Integrated Circuit)封装,设计用于处理差分输入信号,并提供高效的输出响应。LM293DR在多种应用场景中表现优异,尤其是在需要快速信号比较和精确阈值判定的领域。

2. 主要特性

  • 双差分输入: LM293DR 包含两个差分比较器,可以独立工作,增加了系统的灵活性和设计的简易性。
  • 低功耗: 该设备在工作状态下的功耗非常低,非常适合于电池供电的设备。
  • 宽电源电压范围: LM293DR支持广泛的电源工作电压,从 ±2V 到 ±16V,适应了多种工作环境的需求。
  • 快速响应时间: 具备较快的转换速度,能够处理高频信号,使其在实时控制和监测应用中十分有效。
  • CMR(共模抑制比): 具有良好的共模抑制能力,能有效抑制外部噪声对信号的影响。
  • 输出: LM293DR 的输出可以直接与TTL(晶体管-晶体管逻辑)等电路兼容,方便与其他数字电路连接。

3. 应用领域

LM293DR因其优良的性能参数和广泛的适用性,常用于以下几个领域:

  • 信号处理: 在模拟信号处理的原型设计中,LM293DR被用于进行信号的比较和转换。
  • 电流监测: 可用于电流检测系统中,监测电流状态并进行阈值比对,以实现状态反馈。
  • 电压比较: LM293DR可以应用于电压检测电路,通过比较输入电压的高低,实现过压或欠压保护。
  • 运动控制: 在伺服系统中,通过使用LM293DR进行当前位置与目标位置的比较,可以提高伺服系统的精度。
  • 状态指示: 由于其输出信号可以直接驱动LED等显示器件,LM293DR也广泛应用于状态指示灯的设计中。

4. 技术规格

  • 工作温度范围: -40°C 到 +85°C
  • 输入偏置电流: 通常在数十纳安级别,能够保证高灵敏度。
  • 输出电流: 适合驱动较低功耗的负载,能够直接与微控制器等其他数字器件连接。

5. 封装信息

LM293DR采用的是8引脚的SOIC封装,其紧凑的设计使其适合于空间受限的应用场景。SOIC封装提供良好的散热能力及焊接可靠性,广泛适用于现代电子设备中。

6. 设计考虑

在设计基于LM293DR的电路时,需注意输入信号的幅度与地电位的稳定。确保差分信号的共模电压在规定范围内,可以提高系统的性能。同时,在选择增益设置和反馈组合设计时,应根据具体应用场景进行合理规划,以获得最佳的线性度和响应特性。

7. 结论

LM293DR是功能强大且灵活的比较器芯片,适合于多种电子应用。其设计考虑了现代电子产品对功耗、尺寸与性能的综合需求,无疑会成为开发新型信号处理和监测系统的理想选择。通过合理的设计和应用,LM293DR能够在实际中发挥其最大的价值,为电子产品的性能提升提供有力支持。

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