WMSIC Electronic Components

TI LM2902DR

ModelLM2902DR
PackageSOIC-14
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) LM2902DR
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
LM2902DR
Electronic Component
1
Package
SOIC-14
Electronic Component
Operational Amplifier
Electronic Component
0.34g
Electronic Component
1
Features
EMI / RF
Electronic Component
BM0000285994
Operating Temperature
40℃~+125℃
Amplifier
4
Output Current
20mA
(SR)
500V/ms
Power Supply Voltage
3V~26V

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

LM2902DR 产品概述

LM2902DR 是由德州仪器(Texas Instruments, TI)推出的一款四路运算放大器,设计用于多种通用电子应用。该器件集成了四个独立的放大器,能够在多种工作条件下提供稳定的性能。这款运算放大器以其出色的性价比和灵活性,广泛应用于信号处理、数据采集、传感器接口等领域。以下是对LM2902DR的详细解析。

1. 基本特点

LM2902DR 的主要特点包括:

  • 放大器类型:通用四路运算放大器,适合集成多通道信号处理。
  • 压摆率:其压摆率为0.5 V/µs,这意味着在快速变化的信号情况下,LM2902DR 能够有效地跟随输入信号的变化,从而实现较高的动态响应。
  • 增益带宽积:增益带宽积为1.2 MHz,这使得其在不同增益设置下都能保持较好的频率响应,适合用于中频信号处理。
  • 电流 - 输入偏置:输入偏置电流为20 nA,表明该器件在高精度应用中具有较低的偏置电流影响,适合于传感器信号处理等灵敏电路。
  • 电压 - 输入补偿:输入补偿电压为3 mV,有助于提高高阻抗信号源的测量精度。
  • 电流 - 输出/通道:每个通道的输出电流可达60 mA,允许驱动更大的负载。
  • 电源电压范围:支持单极性和双极性供电,单电源供电范围为3V至26V,双电源供电范围为±1.5V至±13V,增强了在多种工作环境中的适用性。
  • 工作温度范围:工作温度范围广泛,从-40°C到125°C,适用于工业和汽车等严苛条件下的应用。

2. 设计和封装

LM2902DR采用14-SOIC封装,尺寸为0.154"(3.90 mm宽),适合于表面贴装(SMD)设计。该封装形式不仅节省了电路板空间,还便于自动化生产和组装。封装的设计考虑到散热与稳定性,使器件在长时间工作时保持高性能和可靠性。

3. 应用场景

LM2902DR的广泛应用包括但不限于以下几个方面:

  • 信号调理:用于传感器输出信号的放大和处理,提高传感器输出的可信度。
  • 数据采集系统:在测量系统中实现对输入信号的放大,增强信号质量。
  • 滤波器设计:可构建各种类型的滤波器(如低通、高通、带通等),用于信号的去噪和品质优化。
  • 音频处理:适合用于音频放大和处理电路,确保音频信号的高保真传输。

4. 性能与优势

相比于市场上的其他四路运算放大器,LM2902DR在低功耗和高增益特性方面显示出显著的优势。其低输入偏置电流和宽电源电压范围,确保了在高精度和高动态范围条件下的稳定操作。同时,它的广泛工作温度范围,使得LM2902DR可应用于各类严苛的工业环境。

5. 结论

LM2902DR 作为一款功能强大的四路运算放大器,不仅满足了基本的电路需求,还具备了良好的可靠性与稳定性。其广泛的应用场景使其成为电子设计领域中不可或缺的器件之一。无论是在消费电子、工业控制还是汽车电子中,LM2902DR都展现出了广泛的应用潜力,符合现代电子产品对于高效能、低功耗的需求。对于希望增强其电路设计性能的工程师而言,LM2902DR无疑是一个理想的选择。

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