WMSIC Electronic Components

ADI/LINEAR MAX44246ASA+T MAX44246ASA

ModelMAX44246ASA+T
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX44246ASA+T
Type
ADI/LINEAR
Minimum package
2500 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX44246ASA+T
Electronic Component
1
Package
SOIC-8
Electronic Component
Precision Op Amp
Electronic Component
0.219g
Electronic Component
1
Electronic Component
Output
Features
EMI / RF
Electronic Component
BM0258724518
Operating Temperature
40℃~+125℃
Amplifier
Electronic Component
Output Current
40mA
(SR)
3.8V/us
Power Supply Voltage
2.7V~36V

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

MAX44246ASA+T 产品概述

一、产品简介

MAX44246ASA+T 是一款双路高性能运算放大器,适用于需要低失调、高精度与低噪声的模拟前端设计。器件提供轨到轨输出能力、宽工作电源范围(单电源 2.7V 至 36V,双电源 ±1.35V 至 ±18V),在工业级温度(-40℃ 至 +125℃)下仍能保持稳定性能,封装为 SOIC-8,便于在多种电子系统中集成。

二、主要性能参数

  • 放大器数:双路
  • 增益带宽积(GBP):5 MHz
  • 压摆率(SR):3.8 V/µs
  • 输出电流:最大 40 mA(驱动能力良好,适合驱动中等负载)
  • 轨到轨输出:支持输出跨越全电源轨,利于低电压系统设计
  • 输入偏置电流(Ib):约 300 pA;输入失调电流(Ios):1.2 nA
  • 输入失调电压(Vos):典型 5 µV,失调电压温漂(Vos TC):20 nV/℃
  • 共模抑制比(CMRR):166 dB(非常高的共模干扰抑制能力)
  • 噪声密度(eN):9 nV/√Hz @1 kHz(低噪声,适合精密放大)
  • 静态电流(Iq):约 420 µA(整片功耗低,有利于电源管理)
  • 最大电源电压差:36 V
  • 工作温度范围:-40℃ ~ +125℃
  • 封装:SOIC-8

三、性能亮点与优势

  • 极低的输入失调(5 µV)与极小的漂移(20 nV/℃)确保长时间测量稳定,适合高精度仪表和传感器前端。
  • 低噪声(9 nV/√Hz)与中等带宽(5 MHz)使其在精密放大与信号调理之间取得良好平衡。
  • 轨到轨输出与宽电源范围,方便在单电源与双电源系统中灵活应用,特别适合电池供电与工业供电场景。
  • 较强的输出驱动(40 mA)能够直接驱动小型执行器或后级滤波/采样电路,减少外部缓冲器需求。

四、典型应用场景

  • 传感器信号调理(应变计、热电偶、压力传感等)
  • 精密数据采集前端与差分放大器
  • 便携式医疗与测试设备的放大与缓冲
  • 主动滤波器、仪表放大器构型以及低噪声放大需求的模拟子系统

五、设计与使用建议

  • 建议在电源引脚处加高频去耦电容(如 0.1 µF + 1 µF 并联),以保证高频稳定性与低噪声性能。
  • 对于要求极低失调和长期漂移的应用,应在布局上尽量减小热梯度与热耦合,输入端使用短走线并避免大电流近旁通过。
  • 虽然器件具有良好稳定性,但在驱动容性负载时应注意可能的相位裕度影响,必要时在输出端并联小阻抗进行补偿。
  • 推荐在 PCB 布局时把模拟地与数字地分离,敏感输入与参考地尽量靠近,减少共模干扰耦合。

六、封装与可靠性

MAX44246ASA+T 提供 SOIC-8 封装,适合自动化贴装。器件工艺与参数满足工业温度等级(-40℃ 至 +125℃),适用于严苛环境下的长期可靠运行。

总结:MAX44246ASA+T 以其超低失调、低噪声、轨到轨输出和宽电源范围的组合,适合对精度与稳定性要求较高的模拟设计场合,是构建高性能传感器前端与精密信号调理电路的优选器件。

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