WMSIC Electronic Components

HGSEMI REF3025AIM3/TR REF3025AIM3

ModelREF3025AIM3/TR
PackageSOT-23-3
BrandHGSEMI
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

19 specifications

Core information

Product name
HGSEMI REF3025AIM3 / TR
Type
HGSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
REF3025AIM3/TR
Electronic Component
1
Package
SOT-23-3
Electronic Component
Voltage Reference IC
Electronic Component
±0.15%
Electronic Component
0.088g
Electronic Component
1
Electronic Component
BM0264801301
Operating Temperature
40℃~+125℃
Operating Voltage
2.7V~5.5V
Electronic Component
30ppm/℃
Output Voltage
2.5V
Output Current
5mA
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.

REF3025AIM3/TR 产品概述

一、概述

REF3025AIM3/TR 是华冠(HGSEMI)推出的一款低漂移、低功耗、小封装的串联式固定电压基准器件。器件在2.7V~5.5V 工作电压范围内可稳定输出2.500V 基准电压,典型输出电流可驱动至5mA,适用于对体积、功耗和精度有综合要求的便携及工业应用。器件封装为 SOT-23-3,工作温度范围 -40℃ 至 +125℃,为系统提供可靠且精准的参考源。

二、主要性能亮点

  • 固定输出电压:2.500V,方便直接作为 ADC/DAC 与测量系统参考。
  • 高精度:初始精度 ±0.15%,在同类低功耗芯片中具有竞争力的精度表现。
  • 低温漂:温度系数仅 30 ppm/℃,确保宽温度范围内的基准稳定性。
  • 低静态电流:工作静态电流 Iq ≈ 300 μA,适合电池供电和低功耗系统。
  • 输出驱动能力:最大可提供约 5 mA 的输出电流,满足多数模拟电路的小功率驱动需求。
  • 小体积封装:SOT-23-3 封装利于空间受限的应用,/TR 表示卷带包装,便于贴片生产线使用。

三、典型应用场景

  • 精密模数/数模转换(ADC/DAC)的参考电源
  • 便携式测量仪器、手持设备与传感器前端
  • 电池管理与监控系统的参考源
  • 工业控制与数据采集系统
  • 低功耗精密基准需求场景,如偏置源、精密放大器参考

四、设计与使用建议

  • 电源输入建议并联 0.01–0.1 μF 的陶瓷旁路电容,靠近器件 VIN 引脚放置,以抑制电源噪声与瞬态响应。
  • 输出端若需改善瞬态或驱动较长线路,可并联少量陶瓷电容(建议遵从厂商数据手册关于输出电容的具体限制)。
  • 器件本身输出能力为 5 mA,若系统负载更大,应在后端加缓冲放大器或低噪声跟随器,以免影响基准精度。
  • PCB 布局:基准源为敏感节点,应尽量缩短 VOUT 与系统测量输入之间的走线,使用固体地平面并避免数字地噪声耦合。

五、封装与选型提示

  • 封装:SOT-23-3,适合 SMT 生产与空间受限设计;/TR 为卷带(tape & reel)包装格式,便于批量贴片。
  • 温度范围:-40℃ 至 +125℃,适用于多数工业温度等级应用。
  • 选型注意:若系统对更大驱动电流、更低漂移或可调电压有需求,可考虑加装外部缓冲或选择可调参考/更高规格的替代器件。

六、可靠性与品质保证

REF3025AIM3/TR 采用成熟工艺制造,针对温漂与长期稳定性进行了优化。标准批量供货时应参考华冠提供的完整数据手册以获取详细的电气特性、热特性及应力限制。对于关键应用,建议进行样片验证并按具体应用环境做长期稳定性试验。

总结:REF3025AIM3/TR 以其 ±0.15% 初始精度、30 ppm/℃ 的低温漂、300 μA 的低静态电流以及 2.5V 的稳定输出,在便携测量、数据采集和工业控制等场景中提供了一种体积小、性能稳、易实施的参考解决方案。请在设计中参照厂方数据手册完成器件引脚定义、典型特性曲线与封装图的详细核对。

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