WMSIC Electronic Components

ADI/LINEAR AD8571ARZ-REEL7 AD8571ARZ

ModelAD8571ARZ-REEL7
Package8-SOIC
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

20 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR AD8571ARZ-REEL7
Type
8-SOIC
Unit
Electronic Component
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
AD8571ARZ-REEL7
Electronic Component
1
Package
8-SOIC
Electronic Component
Precision Op Amp
Electronic Component
0.104g
Electronic Component
1
Electronic Component
Output
Features
positions
Electronic Component
BM0264973820
Operating Temperature
40℃~+125℃
Amplifier
Electronic Component
Output Current
30mA
(SR)
0.4V/us

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

AD8571ARZ-REEL7 产品概述

一、概述

AD8571ARZ-REEL7 是亚德诺(ADI)/Linear 推出的高精度零漂移单路运算放大器,提供 1μV 输入失调电压及极低温漂(5nV/℃),适用于对直流精度要求极高的测量与控制系统。器件采用 8-SOIC 封装,单电源工作电压范围 2.7V 至 5V,且支持轨到轨输入与输出,便于低电压系统设计和单电源测量方案。

二、主要性能指标

  • 放大器数:单路
  • 单电源电压:2.7V ~ 5V
  • 输入失调电压 (Vos):1μV
  • 输入失调电压温漂 (Vos TC):5nV/℃
  • 增益带宽积 (GBW):1.5MHz
  • 压摆率 (SR):0.4V/μs
  • 共模抑制比 (CMRR):140dB
  • 输入电压噪声密度 (en):51nV/√Hz @1kHz
  • 输入偏置电流 (Ib):10pA;输入失调电流 (Ios):70pA
  • 静态电流 (Iq):750μA;输出电流:30mA
  • 轨到轨输入/输出;反相位输入保护;零漂移/自动稳零技术
  • 工作温度:-40℃ ~ +125℃

三、典型应用场景

  • 精密传感器信号调理(应变计、热电偶、霍尔传感器)
  • 精密数据采集系统与多路复用前端放大
  • 工业控制与校准仪器、电子天平与医疗测量设备
  • 低频、高精度积分、差分放大及直流耦合放大器

四、设计与布局建议

  • 电源旁路:在电源引脚附近放置 0.1μF 与 10μF 的并联旁路电容,以抑制高频与低频噪声。
  • 输入保护:器件内置反相位输入保护,但外部还是建议在输入处加小阻抗(如 10Ω~100Ω)和 RC 滤波,防止高频脉冲或输入电压超范围。
  • 布局:尽量缩短输入端到放大器的走线,使用单点接地以减少共模回路;敏感输入与大电流回路分离。
  • 带宽与稳定性:GBW 为 1.5MHz,适合低频精密放大;在高增益或驱动容性负载时注意补偿与负载匹配,避免振荡。
  • 输出驱动:典型输出电流 30mA,适合驱动中等负载;对大电容性负载需增加串联阻抗或缓冲级。

五、封装与采购

AD8571ARZ-REEL7 提供 8-SOIC 封装,适合自动贴片与批量生产卷带(REEL)交付。基于其优异的零漂移与低偏置特性,器件常用在高可靠性与长期稳定性要求的工业与医疗场合。

总结:AD8571ARZ-REEL7 将亚德诺成熟的零漂移技术与轨到轨特性结合,适用于对直流精度、温度稳定性和低偏置电流有苛刻要求的测量前端和仪表放大电路。在设计时注意电源旁路、输入滤波与输出驱动约束,可充分发挥其精密性能。

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