WMSIC Electronic Components

ADI/LINEAR MAX14661ETI+T MAX14661ETI

ModelMAX14661ETI+T
PackageTQFN-28(4x4)
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX14661ETI+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX14661ETI+T
Electronic Component
1
Package
TQFN-28(4x4)
Electronic Component
60MHz
Electronic Component
Analog Switch / Multiplexer
Electronic Component
0.001g
Electronic Component
1
Channel Count
2
Features
Analog; ESD; Interface Integrated
Electronic Component
BM0264549864
Operating Temperature
40℃~+85℃
Operating Voltage
1.6V~5.5V
Switch
8:1
(ton)
13us

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

MAX14661ETI+T 16:2多路复用开关IC产品概述

一、产品核心身份与品牌背景

MAX14661ETI+T是亚德诺半导体(ADI,原LINEAR TECHNOLOGY)推出的16输入/2输出(16:2)多路复用开关IC,属于高性价比模拟信号切换器件,专为多通道信号采集、路由与切换场景设计。该器件整合了Beyond-the-Rails技术,解决了传统复用器输入信号范围受限的问题,是工业自动化、便携式测试设备等领域的常用选型。

二、关键电气性能参数解析

MAX14661ETI+T的性能参数覆盖模拟信号切换核心需求,关键指标如下:

  1. 通道配置:16路模拟输入、2路模拟输出,支持单端信号切换,可实现16通道信号向2个输出端的灵活路由;
  2. 工作电压范围:1.6V~5.5V宽电压兼容,既支持低功耗便携式设备的1.8V/3V电源,也适配工业系统的5V电源,无需额外电平转换;
  3. 开关动态特性:导通时间(tₒₙ)13μs,关闭时间(tₒբբ)5μs,响应速度满足中速模拟信号切换需求(如100kSPS以下采样系统);
  4. 导通电阻与线性度:典型导通电阻(Rₒₙ)5.5Ω,通道间匹配度高,信号衰减小,保证模拟信号传输完整性;
  5. 带宽与信号范围:-3dB带宽60MHz,支持中等频率信号(如音频、低频射频、传感器信号);输入信号范围支持±5.5V(Beyond-the-Rails技术),即使电源电压低于输入信号仍能正常切换;
  6. 工作温度范围:-40℃~+85℃工业级温度,适应户外、车载等宽温环境。

三、封装与物理特性

该器件采用TQFN-28(4mm×4mm)封装,属于紧凑型表面贴装封装:

  • 尺寸紧凑(4×4mm),适合空间受限的PCB设计(如便携式仪器、小型工业模块);
  • 28引脚集成16路输入、2路输出、电源、控制逻辑等接口,引脚布局优化信号路径,减少串扰;
  • 符合RoHS标准,无铅无卤,满足环保要求。

四、Beyond-the-Rails技术优势

MAX14661ETI+T的核心亮点是Beyond-the-Rails(轨到轨之外)输入能力:

  • 传统复用器输入信号通常限制在电源电压范围内(如电源5V时输入0~5V),该器件允许输入信号超过电源轨(如电源1.8V时输入可到±5.5V);
  • 无需额外电平转换电路,简化系统设计,降低BOM成本;
  • 特别适合处理正负信号的场景(如传感器输出±2.5V、±5V信号),无需调整电源电压即可直接切换。

五、典型应用场景

  1. 工业传感器信号采集:工业现场多通道温度、压力、流量传感器的信号切换,适配-40~+85℃宽温环境;
  2. 便携式测试仪器:手持示波器、信号发生器的多通道输入切换,低电压(1.8V)工作满足电池供电需求;
  3. 医疗设备:生理信号(如心电、肌电)的多通道采集,低导通电阻保证信号不失真;
  4. 通信测试设备:基站测试、射频信号切换的辅助通道,60MHz带宽支持中等频率信号;
  5. 车载电子系统:车载传感器(如胎压、氧传感器)的信号路由,宽温范围适应车载环境。

六、选型与应用注意事项

  1. 电源设计:确保电源电压在1.6~5.5V范围内,避免过压损坏;
  2. 输入信号限制:输入信号绝对值不超过5.5V,超出范围可能导致器件损坏;
  3. 控制逻辑:采用标准TTL/CMOS逻辑电平控制(与电源电压兼容),无需额外驱动;
  4. PCB布局:模拟信号路径尽量短,减少串扰;电源引脚增加0.1μF陶瓷去耦电容,提升抗干扰能力;
  5. 散热考虑:TQFN封装散热性能良好,常规应用无需额外散热片,大电流场景需注意功耗(导通电阻×电流²)。

MAX14661ETI+T凭借宽电压、轨外输入、紧凑封装等优势,成为多通道模拟信号切换场景的高性价比选型,适配工业、医疗、便携设备等多领域需求。

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