WMSIC Electronic Components

ADI/LINEAR REF198ESZ-REEL REF198ESZ

ModelREF198ESZ-REEL
PackageSOIC-8
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR REF198ESZ-REEL
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
REF198ESZ-REEL
Electronic Component
1
Package
SOIC-8
Electronic Component
Voltage Reference IC
Electronic Component
0.315g
Electronic Component
1
Features
Low Power
Electronic Component
BM0230099339
Operating Temperature
40℃~+85℃
Operating Voltage
4.5V~15V
Electronic Component
5ppm/℃
Output Voltage
4.096V
Output Current
30mA
Output Type
Electronic Component

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

REF198ESZ-REEL 产品概述

REF198ESZ-REEL 是 ADI/Linear 系列的固定输出电压基准芯片,输出为 4.096V,属于串联(系列)电压基准,专为对精度、温漂和低功耗有较高要求的系统设计。器件采用 SOIC-8 封装并以卷带(Reel)形式供货,适合自动贴片生产线。

一、主要特性

  • 输出电压(固定):4.096V,方便与二进制分辨率(如 4.096V/4096 = 1mV)配合 ADC/DAC,简化刻度与校准。
  • 输入工作电压:4.5V ~ 15V;器件要求供电高于输出电压,在此范围内可稳定工作。
  • 输出驱动能力:可提供最高 30mA 的负载电流,满足大多数精密传感及驱动需求。
  • 静态电流(Iq):45µA,适合电池供电或低功耗系统。
  • 温度系数:典型 5ppm/℃,在宽温区间保持优良的温漂性能。
  • 工作温度范围:-40℃ ~ +85℃(Ta),适用于工业级应用。
  • 封装及供货:SOIC-8,卷带(REEL)供货,便于SMT批量装配。

二、优势与设计要点

  • 高精度、低漂移:5ppm/℃ 的温漂使该器件在温度变化下仍能维持高稳定度,适合精密测量与数据采集系统。
  • 4.096V 的固定输出对数字系统友好,可直接作为 12/16 位 ADC 的参考电压,简化系统标定。
  • 低静态电流与较高输出电流的组合,兼顾低功耗待机与瞬时负载能力,适合便携与工业场景。
  • 作为串联(系列)参考,需要注意输入电压裕度,建议在设计时保证供电稳压与足够头部空间以维持输出精度。

三、典型应用

  • 精密 ADC/DAC 参考源(数据采集、信号测量)
  • 医疗仪器与测试测量设备
  • 传感器前端与过程控制系统
  • 校准与基准源、便携式/电池供电的测量设备

四、布局与使用建议

  • 建议在输出端配置旁路电容以抑制瞬态响应与噪声(常见做法:0.1µF 陶瓷并联 1~10µF 低ESR 电容,具体取决于系统稳定性要求)。
  • 输入端应加入去耦电容以抑制电源噪声并提高瞬态性能。
  • 布局时将参考输出线最短并避开高频或大电流回路,确保接地回路紧凑,降低干扰对基准的影响。
  • 在需要长期稳定性的应用中,参考制造商 datasheet 的老化/漂移典型值并进行系统级校准。

五、封装与订购信息

  • 制造商:ADI(亚德诺)/LINEAR
  • 型号:REF198ESZ-REEL
  • 封装:SOIC-8
  • 供货形式:卷带(Reel),适合 SMT 自动化装配。
  • 订购与技术细节建议参照官方 datasheet 获取完整电气特性、引脚定义及使用注意事项。

REF198ESZ-REEL 以其 4.096V 的二进制友好输出、5ppm/℃ 的优异温漂及低静态电流的设计,成为需要高稳定性与低功耗参考源的理想选择。实际应用时请结合系统负载、输入裕度及温度环境对器件进行评估与必要的电路保护。

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