WMSIC Electronic Components

ADI/LINEAR MAX6041AEUR+T MAX6041AEUR

ModelMAX6041AEUR+T
PackageSOT-23-3
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX6041AEUR+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX6041AEUR+T
Electronic Component
1
Package
SOT-23-3
Electronic Component
Voltage Reference IC
Electronic Component
±0.2%
Electronic Component
0.001g
Electronic Component
1
Electronic Component
BM0264691590
Operating Temperature
40℃~+85℃@(Ta)
Operating Voltage
4.296V~12.6V
Electronic Component
20ppm/℃
Output Voltage
4.096V
Output Current
500uA
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.

MAX6041AEUR+T 产品概述

MAX6041AEUR+T 是一款固定输出型串联(series)电压基准,提供精确 4.096V 输出,适合对稳定参考电压与低功耗有严格要求的便携式和工业测量系统。该器件由 ADI/Linear 系列产品线提供,封装为 SOT-23-3,尺寸小、易于 PCB 布局,能在宽工作电压范围内稳定输出,兼顾低噪声与低静态电流特性。

一、主要参数与性能亮点

  • 输出电压:4.096 V(固定)
  • 输入工作电压范围:4.296 V ~ 12.6 V
  • 输出驱动能力:最大 500 μA(用于负载能力评估)
  • 初始精度:±0.2%(约 ±8.19 mV)
  • 温度系数(典型值):20 ppm/°C(约 81.9 μV/°C)
  • 静态电流(Iq):35 μA(低功耗,有利于电池供电系统)
  • 噪声:0.1 Hz–10 Hz 为 100 μVpp;10 Hz–10 kHz 为 200 μVrms
  • 工作温度范围:-40 ℃ ~ +85 ℃(Ta)
  • 封装:SOT-23-3(小型三引脚,常见引脚为 VIN、VOUT、GND)
  • 类型:串联(系列)固定电压基准

二、适用场景与典型应用

  • 手持式和电池供电的测量仪器(数据采集、便携示波器、便携式万用表)
  • 精密 ADC 参考电压源(尤其需要 4.096V 标准以便与二进制分辨率匹配)
  • 校准与传感器前端(温度传感器、桥式传感器等)
  • 工业控制与便携检测设备,要求低功耗、低噪声和良好温漂性能的场合

三、规格解读与工程计算

  • 精度 ±0.2%:在 4.096 V 基准下,最大初始误差约为 ±8.19 mV,这决定了系统的基线误差。用于 ADC 的参考时需将此误差计入系统总体误差预算。
  • 温漂 20 ppm/°C:每摄氏度变化将带来约 81.9 μV 的基准电压漂移。若系统在 -40 ℃ 到 +85 ℃ 范围内工作,总温度引起的偏移应按 ppm/°C × 温差计算并与初始精度、长期漂移合并评估。
  • 噪声特性:低频 0.1–10 Hz 的 100 μVpp 对超高分辨率测量(如 24 位 ADC 的极低速采样)影响较明显,10 Hz–10 kHz 的 200 μVrms 表明在中高频带宽内噪声受控。必要时可配合输出滤波或积分滤波算法降低测量噪声影响。
  • 输出驱动 500 μA:该参考适合驱动高阻输入的 ADC 或缓冲器;若负载电流或外部采样电路需要更大激励,应加装输出缓冲放大器(低漂移运放)以维持参考稳定。

四、设计建议与注意事项

  • 旁路/滤波:建议在输出至地之间放置 0.1 μF 至 1 μF 的低 ESR 陶瓷电容以改善瞬态响应并降低噪声;若使用更大电容,需确认参考的稳定性要求(多数串联参考对输出旁路电容兼容,但应参考具体器件数据手册)。
  • 布局:参考引脚与地之间走短路径,VOUT 的旁路电容尽量靠近引脚。地线采用局部地平面或星形接地以减小噪声耦合。
  • 电源要求:输入电压需高于输出电压(最小差压由器件 dropout 决定),所给工作电压下保证参考在规定性能内工作(器件需提供足够头部空间,建议在设计时留出 margin)。
  • 温度与长期稳定性:若系统对长期漂移要求苛刻,应在器件选型阶段同时考虑长期漂移规格和温度循环可靠性,必要时进行校准策略(开机校准或定期校准)。

五、封装与选型建议

  • SOT-23-3 小封装适用于空间受限的应用,便于自动贴装。常见引脚功能为 VIN、VOUT、GND(具体引脚排列请参考厂方数据手册)。
  • 若系统需要更高输出驱动能力、更低噪声或更优温漂,可对比同系列或其他品牌的高性能器件,必要时选用带输出放大器或更低温漂(ppm/°C)型号。

六、小结

MAX6041AEUR+T 以其 4.096V 固定输出、低静态电流(35 μA)、较低噪声和良好的温漂(20 ppm/°C)为主要优势,适合电池供电和对参考稳定性有中高要求的测量与控制系统。设计中注意输入裕度、输出旁路与 PCB 布局,可充分发挥该器件在精密参考场合的性能。欲获得完整引脚定义、电气特性曲线及典型应用电路,请参考厂方数据手册并在最终设计中核对器件实际参数。

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