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XINLUDA XB385M3-2.5 XB385M3
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- XINLUDA XB385M3-2.5
- Type
- XINLUDA
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- XINLUDA
- Electronic Component
- XB385M3-2.5
- Electronic Component
- 1
- Package
- SOT-23-3
- Electronic Component
- Voltage Reference IC
- Electronic Component
- ±0.8%
- Electronic Component
- 0.036g
- Electronic Component
- 1
- Electronic Component
- BM0228561308
- Operating Temperature
- 40℃~+85℃
- Electronic Component
- 150ppm/℃
- Output Voltage
- 2.5V
- Output Type
- Electronic Component
- Static Current(Iq)
- 20uA
- (10Hz-10kHz)
- 120uVrms
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
XB385M3-2.5 — 2.5V 精密基准电压源 概述
一、产品简介
XB385M3-2.5 是信路达（XINLUDA）推出的一款低功耗、高精度的 2.5V 基准电压源，封装为常用的 SOT-23-3 小封装。该器件在-40℃~+85℃工作温度范围内可提供 ±0.8% 的初始精度，温度系数为 150 ppm/℃，静态工作电流仅 20 μA（Iq），并在 10Hz–10kHz 带宽内实现约 120 μVrms 的低噪声表现，适合对体积、功耗和稳定性有要求的便携与工业应用。
二、主要性能特点
- 输出电压：2.5V 标称值，适合作为参考电压或基准源。
- 精度：±0.8% 初始误差，满足中高精度测量系统需求。
- 温度稳定性：150 ppm/℃ 的温度系数，温漂控制良好。
- 低功耗：典型静态电流 20 μA，适合电池供电或低功耗系统。
- 低噪声：10Hz–10kHz 带宽内噪声约 120 μVrms，有利于高精度 ADC/DAC 前端。
- 小封装：SOT-23-3，便于紧凑型 PCB 布局与批量生产。
三、典型应用场景
- 精密 ADC/DAC 的参考电压源；
- 便携式测量仪器、数据采集模块；
- 传感器供电与标定电源（温度、压力、流量等）；
- 低功耗物联网终端与便携医疗设备（用于测量/采集子系统）；
- 工业控制及仪表、分辨率要求较高的采集前端。
四、封装与热、电特性注意事项
SOT-23-3 封装占板面积小、热阻相对较高，实际应用中应注意热管理与散热路径。长期大电流环境或靠近高发热器件时，建议在 PCB 上增加散热铜箔以降低结温。为保证长期稳定性，应采用良好接地平面并避免长走线引入噪声耦合。
五、使用建议与布线要点
- 输出端建议并联去耦电容以降低瞬态噪声，典型去耦电容应靠近器件引脚布局；
- 将基准器件的地线独立或短接到公共接地平面，避免与开关或大电流回路共模干扰；
- 输出不宜承受明显反向电压或大电流冲击，避免外部回路将输出反向驱动；
- 在敏感测量通路中尽量缩短走线并屏蔽，以发挥其低噪声和高稳定性的优势。
六、总结
XB385M3-2.5 以其 2.5V 稳定输出、±0.8% 的精度、150 ppm/℃ 的温漂、低至 20 μA 的静态电流以及 120 μVrms 的低噪声特性，为便携式与工业级数据采集、传感器接口及精密参考电源提供了尺寸小、功耗低且稳定可靠的解决方案。在实际设计中，合理的去耦、布线与热管理可以进一步提升系统性能与长期可靠性。
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