WMSIC Electronic Components

TI LM2903DR

ModelLM2903DR
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) LM2903DR
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
LM2903DR
Electronic Component
1
Package
SOIC-8
Electronic Component
Comparator
Electronic Component
0.173g
Power Supply
2V~36V
Electronic Component
1
Electronic Component
BM0000281437
Operating Temperature
40℃~+125℃
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.

LM2903DR 产品概述

概述

LM2903DR是德州仪器(Texas Instruments)推出的一款高性能双运算放大器,广泛应用于各种电子设备中,特别是在比较器和信号处理的场合。其主要功能是比较两个电压信号并产生相应的输出,以实现信号的调理和处理,适合用于较为复杂的控制系统中。

关键特性

  1. 差分输入结构:LM2903DR包含两个差分输入端,通过比较两个输入电压(非反相输入和反相输入),能够有效跟踪输入信号的变化并生成相应的输出信号。

  2. 多种输出类型:该器件支持多种输出类型,包括CMOS、MOS、开路漏极和TTL电平,这使得其在各种应用场合具有更大的灵活性和兼容性,能够满足不同设计要求。

  3. 宽工作电压范围:LM2903DR可以在2V36V(单电源)及±1V18V(双电源)之间正常工作,适合多种电源设计,尤其是在电源电压较为多变的应用场合。

  4. 输入补偿电压:该器件的输入补偿电压具有优异性能,最大可达7mV @30V,这对于需要高精度比较的应用尤为重要,如传感器信号处理和测量系统。

  5. 极低的输入偏置电流:LM2903DR的输入偏置电流最大值仅为0.25µA @ 5V,这意味着在低电流消耗的同时,可以有效保持输入信号的完整性,适合对低功耗敏感的设计。

  6. 输出电流能力:该器件的典型输出电流为20mA,能够驱动较多的负载,尤其在信号转换和驱动过程中表现出色。

  7. 静态电流:其静态电流最大值为2.5mA,便于设计中降低整体能耗,延长设备的使用寿命。

  8. 宽工作温度范围:LM2903DR可在-40°C至125°C的温度范围内稳定工作,适合各种苛刻环境的电子应用,包括汽车、航空及工业控制。

  9. 封装及安装类型:器件采用8-SOIC封装,宽度为3.90mm,支持表面贴装,便于集成到各种电路板设计中,节省空间并易于生产。

应用领域

LM2903DR广泛应用于监测和测量系统的设计中,常见的具体应用包括:

  • 过/低压监测:通过对电压的比较,及时检测并响应过电压或欠电压问题,有效保护电路系统安全。
  • 电池管理系统:用于电池充电状态的监测,以及通过比较电池电压或电流来确保充电过程的合理性。
  • 温度监测与控制:结合温度传感器的输出,可以通过比较器实现对温度的实时监测和控制。
  • 信号调理:在模拟信号处理过程中,用于位置检测、速度测量及其他控制相关的信号处理应用。

结论

LM2903DR是一款功能强大的双运算放大器,具有多种灵活的特性和出色的性能,非常适合在各种电气和电子应用中工作。无论是用于低电流的设计,还是在极端工况中工作,LM2903DR都能提供优异的性能,是现代电子设计的重要组成部分。作为德州仪器的优质产品,LM2903DR以其可靠性和高性价比,为工程师提供了便利的选择,将在未来的应用中继续发挥重要作用。

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