WMSIC Electronic Components

ADI/LINEAR MAX483ECSA+T MAX483ECSA

ModelMAX483ECSA+T
PackageSOP-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 MAX483ECSA+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX483ECSA+T
Electronic Component
1
Package
SOP-8
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.118g
Electronic Component
32
Electronic Component
1
Features
Tx / Rx;;;; Low Power
Electronic Component
BM0264490100
Operating Temperature
0℃~+70℃
Operating Voltage
4.75V~5.25V
Receiver
1
Data
250Kbps

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

MAX483ECSA+T RS-485/RS-422收发器产品概述

MAX483ECSA+T是亚德诺半导体(ADI)旗下一款针对工业与通信领域设计的低功耗、高ESD防护型RS-485/RS-422半双工收发器,核心定位是兼顾数据传输可靠性与低功耗需求的接口解决方案,广泛应用于工业自动化、楼宇控制等场景。

一、关键参数与性能指标

作为RS-485/RS-422兼容器件,MAX483ECSA+T的核心参数明确覆盖主流应用需求:

  • 接口与通信:支持RS-485/RS-422双标准,半双工通信模式,1个驱动器+1个接收器配置,最多可连接32个节点,满足中小规模总线组网需求;
  • 电气性能:采用4.75V~5.25V单电源供电(适配5V系统),静态电流仅120μA(远低于同类器件平均水平),数据速率最高250Kbps,差分传输距离可达1.2km;
  • 防护与温度:内置±15kV人体模型(HBM)静电保护,无需额外ESD器件即可应对工业现场静电冲击;工作温度范围0℃~+70℃,覆盖商业级常用场景;
  • 封装:SOP-8小型贴片封装,尺寸紧凑(5.2mm×4.3mm),适合PCB高密度布局。

二、核心技术特性

MAX483ECSA+T的设计亮点集中在低功耗、抗干扰与兼容性三大维度:

  1. 极致低功耗:静态电流120μA,比普通RS-485收发器低约50%,适合电池供电的便携式设备(如手持数据采集器)或长期待机的工业系统;
  2. 高可靠性防护:±15kV ESD保护覆盖所有引脚,插拔过程中不会因静电损坏器件;内置斜率限制电路,降低EMI电磁干扰,满足EMC标准(如CE认证);
  3. 总线兼容性:完全兼容RS-485与RS-422标准,差分传输可抑制共模干扰(抗干扰能力达±7V),即使在强电磁环境下也能稳定传输数据;
  4. 热插拔支持:部分批次支持热插拔功能,无需关闭系统即可更换节点,提升现场维护效率。

三、典型应用场景

MAX483ECSA+T的参数特性使其适配多种工业与民用场景:

  • 工业自动化:PLC与远程I/O模块通信、Modbus RTU总线组网、传感器数据采集(如温度/压力传感器联网);
  • 楼宇自动化:HVAC控制系统(空调/通风联网)、门禁系统数据传输、智能照明网络;
  • 通信设备:短距离数据传输模块(如工业网关的RS-485接口)、串口转RS-485转换器;
  • 消费电子:智能家居网关(与智能设备联网)、智能电表数据上传(集中器通信)。

四、封装与可靠性设计

  • 封装工艺:SOP-8贴片封装符合IPC标准,支持回流焊、波峰焊等常规焊接工艺,批量生产兼容性强;
  • 可靠性验证:通过ESD、浪涌等可靠性测试,引脚抗机械应力能力达10N以上,适合长期工业环境使用;
  • 引脚定义:8引脚包含电源(VCC/GND)、差分收发端(A/B)、驱动器使能(DE)、接收器使能(RE)等,布局清晰,便于电路设计。

五、选型与替代参考

若需调整参数适配不同需求,可参考以下替代方案:

  • 更高速率需求:选择MAX485(速率10Mbps,静态电流1mA);
  • 宽温场景:选择MAX483ECSA+T的工业级版本(工作温度-40℃~+85℃);
  • 跨品牌替代:TI的SN75176(静态电流200μA)、ADI的LTC485(静态电流100μA,低功耗更优)。

MAX483ECSA+T凭借低功耗、高防护与兼容性,成为中小规模RS-485/RS-422组网的高性价比选择,尤其适合对功耗敏感且需要抗干扰的应用场景。

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