WMSIC Electronic Components

ADI/LINEAR ADR395AUJZ-REEL7 ADR395AUJZ

ModelADR395AUJZ-REEL7
PackageTSOT-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 ADR395AUJZ-REEL7
Type
TSOT-23-5
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
ADR395AUJZ-REEL7
Electronic Component
1
Package
TSOT-23-5
Electronic Component
Voltage Reference IC
Electronic Component
±0.12%
Electronic Component
0.28g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0264254051
Operating Temperature
40℃~+125℃
Operating Voltage
5.3V~15V
Electronic Component
25ppm/℃
Output Voltage
5V
Output Current
5mA

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

ADR395AUJZ-REEL7 产品概述

一、概述与定位

ADR395AUJZ-REEL7 是 ADI/Linear 旗下的一款高精度、低噪声串联式固定电压参考,标准输出 5.000V,适用于对电压基准精度、长时间稳定性和低噪声有严格要求的系统。器件工作电压范围为 5.3V 到 15V,输出可驱动最高 5mA 负载,并提供使能/关断功能,封装为紧凑的 TSOT-23-5,适合空间受限的便携或工业应用。

二、主要性能亮点

  • 输出电压:5.000V(固定)
  • 初始精度:±0.12%(典型精度保证电路参考稳定性)
  • 温度系数:25 ppm/℃(优异的温漂特性)
  • 工作电压范围:5.3V ~ 15V(保证在规范内稳定工作)
  • 输出电流能力:5mA(适合为 ADC/比较器等提供基准)
  • 静态电流 (Iq):约 140 μA(低功耗设计,适合电池供电场合)
  • 低频噪声(0.1Hz–10Hz):8 μV p-p(超低噪声,利于高分辨率采样)
  • 工作温度范围:-40℃ ~ +125℃
  • 封装:TSOT-23-5(小型化,适合集成化板级设计)
  • 功能:使能/关断引脚,支持系统节能与远程控制

三、典型应用场景

  • 高精度 ADC/DAC 基准源(数据采集、医疗、计量设备)
  • 精密传感器前端(温度、压力、流量等传感器校准)
  • 校准/参考电源与系统自检电路
  • 电池供电的便携式测量仪器(低 Iq 有利于延长续航)
  • 需要低噪声、低漂移参考的工业控制与通信设备

四、布局与使用建议

  • 电源输入应保证稳定且高于 5.3V 的额定值,避免在输入接近下限时出现失调。
  • 输出旁应放置短引线的去耦电容(如 0.1 μF 陶瓷)以抑制高频干扰;对于低频噪声控制,可并联大容量薄膜/钽电容(例如 1 μF~10 μF,根据系统需求选择)。
  • 使能/关断引脚应避免悬空,按规格定义接到明确电平以防止不确定工作状态。
  • 布局时将基准输出与敏感模拟输入隔离,尽量靠近关键 ADC 引脚布线,地线采用固体地或局部回流以减少噪声注入。
  • 注意热管理:TSOT-23-5 封装热阻较大,在高环境温度与大功耗条件下应考虑 PCB 散热和热应力影响。

五、注意事项与设计提示

  • 该器件输出电流为 5mA,非线性驱动大电流负载;如需驱动较重负载,应加外部缓冲器或运放。
  • 精度 ±0.12% 对应于典型 5V 系统约 ±6 mV,系统设计时应考虑温漂与长期漂移累计影响。
  • 在高精度测量场合,建议在稳定温度环境和经过良好去耦的电源下使用以发挥器件性能。
  • 在启用/关断频繁的应用中,关注复位与上电斜率对基准输出的影响,必要时加入软启动或滤波电路。

六、总结

ADR395AUJZ-REEL7 以其极低噪声、优异温漂和小封装特性,适合对基准稳定性要求高且对功耗敏感的精密测量与控制系统。合理的电源管理、去耦与 PCB 布局能充分发挥其 ±0.12% 精度和 25 ppm/℃ 温度系数带来的系统性能提升。若需在设计中获得更具体的电气参数与典型应用电路,建议参考官方数据手册并进行板级验证。

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