WMSIC Electronic Components

ADI/LINEAR AD8031ARTZ-REEL7 AD8031ARTZ

ModelAD8031ARTZ-REEL7
PackageSOT-23-5
BrandADI/LINEAR
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR AD8031ARTZ-REEL7
Type
ADI/LINEAR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
AD8031ARTZ-REEL7
Electronic Component
1
Package
SOT-23-5
Electronic Component
Operational Amplifier
Electronic Component
0.046g
Electronic Component
1
Electronic Component
Output
Electronic Component
BM0258699919
Operating Temperature
40℃~+85℃
Amplifier
1
Output Current
15mA
(SR)
32V/us
Power Supply Voltage
2.7V~12V
Static Current(Iq)
800uA

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

AD8031ARTZ-REEL7 产品概述

AD8031ARTZ-REEL7 是 ADI/Linear 提供的一款单通道电压反馈放大器,封装为 SOT-23-5,针对便携式与空间受限的模拟前端设计而优化。该器件在低功耗条件下实现了较高的增益带宽和快速的压摆率,且支持轨到轨输入与轨到轨输出,适合单电源或对称双电源系统中需要宽输出摆幅与较低噪声的应用场景。

一、主要性能亮点

  • 单通道电压反馈放大器(单路)
  • 最大电源差(VDD–VSS)12 V,单电源工作 2.7 V ~ 12 V,双电源 ±6 V(VEE~VCC)
  • 轨到轨输入与轨到轨输出,便于在低电压环境下获得最大摆幅
  • 增益带宽积(GBP):80 MHz,适合中高频宽带信号处理
  • 压摆率(SR):32 V/µs,支持快速边沿与动态信号重构
  • 输入失调电压(Vos):典型 1.5 mV,温漂 1.6 µV/°C
  • 输入偏置电流(Ib):450 nA,输入失调电流(Ios):250 nA
  • 噪声密度(en):15 nV/√Hz @1 kHz,适合低噪声前端
  • 静态电流(Iq):约 800 µA,适合功耗敏感应用
  • 输出驱动能力:典型 15 mA(轻负载下可实现接近满摆幅输出)
  • 工作温度范围:-40 ℃ 到 +85 ℃

二、典型应用场景

  • 便携式数据采集与传感器接口(温度、压力、应变计前端)
  • 电池供电仪器与移动设备的模拟前端放大器
  • 视频/视频驱动中的缓冲与信号调理(需中等带宽)
  • 滤波器、仪表放大器的驱动级与缓冲级
  • 精密比较或转换器驱动(ADC 驱动、采样保持缓冲)

三、器件特性与设计注意事项

  • 轨到轨输入/输出:在轻载条件下可实现接近电源轨的输入与输出摆幅,但在重负载或大输出电流时,输出可能无法完全达到电源轨;建议在需要严格满摆幅的场合验证实际条件下的摆幅裕量。
  • 稳定性与环路补偿:作为电压反馈结构的放大器,其稳定性与闭环增益、反馈阻抗与输入电容相关;建议采用典型的非反相或跟随器配置进行仿真验证。对于高阻抗的源或较大输入电容,应注意可能的相位裕量下降。
  • 电源与旁路:为保证低噪声与快速瞬态响应,电源引脚建议紧邻器件放置 0.1 µF 陶瓷旁路电容并接地良好;在敏感模拟系统中可增加 1 µF~10 µF 的大容量旁路。
  • PCB 布局:输入端采用短而粗的回流路径,避免将敏感输入线与高速开关或大电流轨并行;模拟地应当单点接地,与数字地分离。
  • 输入保护:输入偏置与失调电流处于纳安级,若存在高电压冲击或强干扰,建议采用限流或二极管保护以避免输入结导通造成参数漂移或损伤。

四、典型电路建议

  • 单电源单位增益跟随器:用于缓冲高阻抗传感器,利用轨到轨特性实现宽输入范围与最大输出摆幅。
  • 非反相增益放大器(低增益):在增益 2~10 的闭环配置下,可充分发挥 80 MHz GBP 的频率特性,适合驱动 ADC 或主动滤波器。
  • 低通/带通有源滤波器:配合适当元件值,能在中频段实现良好幅相特性,适合抗混叠或信号整形。

五、封装与订购信息

  • 封装:SOT-23-5 小外形封装,适合自动贴片与空间受限应用
  • 包装:REEL7 表示卷盘包装(适合大批量自动化贴装)
  • 品牌:ADI(Analog Devices / Linear Technology)
  • 适配焊盘:建议 SOT-23-5 标准焊盘并注意焊膏量以避免翘板或焊球短路

六、总结

AD8031ARTZ-REEL7 为一款低功耗、低噪声且具备轨到轨输入/输出能力的单路电压反馈放大器,兼具 80 MHz 的增益带宽与 32 V/µs 的压摆率,适用于便携式数据采集、传感器接口和中等带宽的模拟信号处理场景。得益于 SOT-23-5 的小型封装与卷盘包装,便于在空间受限与量产场合中应用。设计时需关注负载条件下的输出摆幅与 PCB 布局、电源去耦以确保器件的最佳性能。若需要更详细的电气特性曲线或典型应用电路,请参考 ADI 的官方数据手册。

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