WMSIC Electronic Components

MICROCHIP MCP1501T-30E/CHY MCP1501T

ModelMCP1501T-30E/CHY
PackageSOT-23-6
BrandMICROCHIP
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
MICROCHIP MCP1501T-30E / CHY
Type
MICROCHIP
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
MCP1501T-30E/CHY
Electronic Component
1
Package
SOT-23-6
Electronic Component
Voltage Reference IC
Electronic Component
±0.1%
Electronic Component
0.023g
Electronic Component
1
Features
Built-in Output
Electronic Component
BM0264338817
Operating Temperature
40℃~+125℃
Operating Voltage
3.2V~5.5V
Electronic Component
50ppm/℃
Output Voltage
3V
Output Current
20mA

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

MCP1501T-30E/CHY — 固定 3.0V 串联电压基准(SOT-23-6)

一、产品概述

MCP1501T-30E/CHY 是 MICROCHIP(美国微芯)推出的一款固定输出电压基准器件,输出 3.0V,面向对精度、温漂和噪声有较高要求的便携和工业电子应用。器件采用 SOT-23-6 封装,工作输入电压范围为 3.2V 至 5.5V,最大对外提供 20mA 的输出驱动能力。器件内置输出缓冲和使能/关断功能,静态电流低至 550µA,集成度高,便于在空间受限的系统中实现高稳定性的参考电源。

二、主要规格(关键参数一览)

  • 输出类型:固定电压(3.0V)
  • 工作电压:3.2V ~ 5.5V
  • 输出电流:最高 20mA(可直接驱动常见采集与基准负载)
  • 精度:±0.1%(初始精度)
  • 温度系数:50 ppm/℃(典型)
  • 电压基准类型:串联(series reference)
  • 静态电流(Iq):约 550µA
  • 噪声(10Hz–10kHz):30 µVrms
  • 工作温度:-40℃ ~ +125℃
  • 功能特性:使能/关断控制;内置输出缓冲
  • 封装:SOT-23-6

三、功能与优势

  • 高精度:±0.1% 初始精度配合 50 ppm/℃ 温度系数,适合对直流参考电压稳定性要求高的 ADC、DAC 和精密测量电路。
  • 低噪声:10Hz–10kHz 仅 30 µVrms,降低系统整体噪声底,提高测量分辨率。
  • 输出缓冲与驱动能力:内置缓冲放大器,能提供最高 20mA 输出电流,直接驱动后端电阻分压、采样电路或小功率放大器。
  • 低静态电流:550µA 的待机电流在便携式或电池供电系统中具有能量优势,且带有使能/关断引脚便于系统节能管理。
  • 宽温度范围与封装:-40℃ 至 +125℃ 适用于工业级环境,SOT-23-6 小封装便于 PCB 布局与体积优化。

四、典型应用场景

  • 高精度 ADC/DAC 参考源(数据采集系统、仪表)
  • 传感器前端与桥式测量放大器参考
  • 精密电源管理与电池监测电路
  • 便携式医疗设备与手持式测量仪器
  • 基准源要求低噪声、低漂移并带使能控制的嵌入式系统

五、设计与布局建议

  • 去耦电容:建议在输入端靠近器件放置 0.1µF 陶瓷去耦电容以抑制高频干扰;若需更好瞬态响应或严格滤波,可在输出端并联 1µF 低 ESR 陶瓷电容,但应参考器件正式数据手册确认输出缓冲对外接电容的稳定性限制。
  • 接地处理:将基准器件的地引脚与系统地短而粗的接线连接,优先使用单点或局部固体地层,避免噪声回流影响基准输出。
  • 布线:输出与负载之间尽量使用短引线,避免高阻点或长走线引入额外电压降或干扰。
  • 热管理:SOT-23-6 封装热阻相对较高,长期大电流输出或高环境温度时注意器件功耗和散热,必要时在 PCB 上增加铜箔散热面积但仍需遵守最大结温限制。
  • 使能控制:利用使能/关断功能可显著降低系统待机功耗。设计时请根据系统逻辑电平和 datasheet 确认使能极性与切换时序,避免在中间态驱动输出产生不稳定电压。

六、使用注意事项与可靠性

  • 输入电压限制:工作电压范围为 3.2V–5.5V,切勿在超出范围下使用以免损坏器件或产生性能退化。
  • 负载要求:尽管器件能提供 20mA 驱动能力,但连续满载时会增加内部功耗与温升,请在系统设计时留有裕量。
  • ESD 与测试:SOT-23-6 小封装对静电敏感,建议在生产与调试过程中采取防静电措施,并在 PCB 测试工艺中妥善保护使能引脚和输入端口。
  • 数据手册:在最终设计与生产前,请参考 MICROCHIP 官方数据手册获取完整的电气特性曲线、典型应用电路、外接电容稳定性信息以及引脚排列等详细资料。

总结:MCP1501T-30E/CHY 以其高精度、低噪声、内置缓冲及低静态电流等特性,适合对参考电压稳定性、噪声及温漂有严格要求的精密电子系统,且 SOT-23-6 封装便于紧凑设计与大规模使用。设计时建议结合官方数据手册与实际负载条件进行验证与布局优化。

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