WMSIC Electronic Components

ADI/LINEAR MAX4644EUT+T MAX4644EUT

ModelMAX4644EUT+T
PackageSOT-23-6
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 MAX4644EUT+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX4644EUT+T
Electronic Component
1
Package
SOT-23-6
Electronic Component
Analog Switch / Multiplexer
Electronic Component
0.043g
Electronic Component
1
Channel Count
1
Features
Analog
Electronic Component
BM0265697194
Operating Temperature
40℃~+85℃
Operating Voltage
1.8V~5.5V
Switch
2:1
(ton)
11ns
Capacitor(Con)
12pF

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

MAX4644EUT+T 单通道2:1模拟开关产品概述

一、产品核心定位与应用场景

MAX4644EUT+T是亚德诺半导体(ADI)旗下LINEAR系列的单通道2:1模拟开关,专为低功耗、高速模拟信号切换场景设计,核心定位是在紧凑空间内实现可靠的双通道选择切换,适配对速度、功耗及体积敏感的电子系统。

其典型应用覆盖三大领域:

  1. 便携式消费电子:智能手机/平板的音频输入切换(如耳机/扬声器、麦克风通道)、可穿戴设备的传感器信号路由;
  2. 通信与测试仪器:低电压通信模块(如蓝牙、LoRa)的信号通道选择、便携式示波器的输入切换;
  3. 工业与车载系统:工业控制中的模拟信号采集切换、车载信息娱乐系统的音频源切换(兼容宽温环境)。

二、关键性能参数解析

MAX4644EUT+T的核心参数针对高速低损切换优化,关键指标及实际意义如下:

  • 开关配置:单通道2:1(1个输出端可选2个输入端),满足基础通道切换需求;
  • 导通电阻(Ron):4Ω(典型值),低导通电阻减少信号损耗,确保音频、低频射频等模拟信号完整性;
  • 导通时间(ton):11ns,从控制信号有效到开关完全导通的时间,适合高速数据采集等快速响应场景;
  • 关闭时间(toff):3ns,从控制信号无效到开关完全断开的时间,避免相邻通道信号串扰;
  • 导通电容(Con):12pF(典型值),输入输出端寄生电容,低电容降低高频信号衰减,适配100MHz以下模拟信号。

三、封装与引脚配置

MAX4644EUT+T采用SOT-23-6超小型表面贴装封装,尺寸仅约1.6mm×2.9mm,大幅节省PCB空间,适合高密度设计。引脚功能如下(标准配置):

  1. V+:电源输入端(1.8V~5.5V);
  2. IN1/IN2:两个模拟信号输入端;
  3. OUT:模拟信号输出端;
  4. GND:接地端;
  5. EN:使能控制端(低电平有效,禁用时开关断开,降低功耗)。

引脚布局紧凑,支持自动贴装(SMT)工艺,焊接兼容性强,适合量产。

四、工作电压与温度范围

  • 宽电压兼容性:1.8V~5.5V电源范围,覆盖主流电子系统供电需求:
    • 1.8V:适配低功耗IoT设备、可穿戴产品;
    • 3.3V:兼容STM32、Arduino等嵌入式MCU;
    • 5V:适配传统工业电路、测试仪器。
  • 工业级温度范围:-40℃~+85℃,可稳定工作于户外、车载、工业控制等极端环境,无需额外散热设计。

五、导通/关闭特性与低功耗设计

MAX4644EUT+T的切换特性兼顾速度与功耗:

  • 高速切换:11ns导通+3ns关闭的响应速度,满足10MSPS以下数据采集、快速信号路由需求;
  • 低功耗:关断状态漏电流典型值仅1nA(1.8V电源),使能控制可进一步降低静态功耗,适合电池供电的便携式设备;
  • 信号完整性:低导通电阻+低寄生电容组合,减少信号失真,尤其适配音频(20Hz~20kHz)、低频射频(<100MHz)等模拟信号。

六、典型应用设计要点

为确保稳定工作,设计时需注意以下要点:

  1. 电源去耦:V+与GND间并联0.1μF陶瓷电容(靠近引脚),抑制电源噪声干扰;
  2. 信号匹配:处理>50MHz高频信号时,IN1/IN2端串联50Ω匹配电阻,减少信号反射;
  3. 使能控制:EN引脚接MCU GPIO,低功耗模式下置高禁用开关,延长电池续航;
  4. ESD防护:封装自带人体模式(HBM)2kV ESD保护,无需额外TVS管,简化电路。

七、品牌与可靠性说明

MAX4644EUT+T由ADI生产,LINEAR系列产品以高可靠性、一致性著称:

  • 符合AEC-Q100(车载)、工业级标准;
  • 批量生产一致性好,导通电阻、切换时间偏差极小;
  • 长期供货稳定,适合量产项目的物料管理。

综上,MAX4644EUT+T是一款高性价比的单通道2:1模拟开关,在紧凑空间内实现高速低损切换,适配多领域模拟信号路由需求。

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