WMSIC Electronic Components

ADI/LINEAR MAX3045BESE+T MAX3045BESE

ModelMAX3045BESE+T
PackageSO-16-300mil
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 MAX3045BESE+T
Type
SO-16-300MIL
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX3045BESE+T
Electronic Component
1
Package
SO-16-300mil
Type
Driver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.307g
Electronic Component
1
Features
Low Power
Electronic Component
BM0265132069
Operating Temperature
40℃~+85℃
Operating Voltage
5V
Receiver
0
Data
20Mbps
Static Current
1mA

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

MAX3045BESE+T 产品概述

MAX3045BESE+T 是 ADI(含 Linear 产品线)推出的一款四路 RS-485/RS-422 差分驱动器 IC,专为需要高抗扰、低功耗和热插拔能力的工业通信系统设计。器件采用 SO-16-300mil 封装,工作电压为 5V,支持高达 20 Mbps 的数据速率,并在总线端提供 ±10 kV 的静电放电(ESD)防护,适合严格的现场总线环境与长线传输应用。

一、核心参数简介

  • 类型:驱动器(4 路驱动器,0 路接收器)
  • 工作电压:5 V
  • 最大数据速率:20 Mbps
  • 静电保护:总线端口 ±10 kV(HBM 等级)
  • 工作温度:-40 ℃ ~ +85 ℃
  • 静态电流(静态/空闲):约 1 mA(低功耗)
  • 功能特性:热插拔保护、使能关断(EN 控制)、低功耗模式
  • 封装:SO-16-300mil

二、关键特性说明

  1. 热插拔保护:在现场维护或在线插拔模块时,有效降低因瞬态电压导致的通信故障或器件损坏风险。
  2. 使能关断与低功耗模式:提供独立使能控制,便于在系统空闲时切换至低功耗状态,典型静态电流仅约 1 mA,适合对功耗敏感的远端节点或电池供电设备。
  3. 高速差分驱动:最高支持 20 Mbps 的传输速率,满足工业实时控制、仪表采集和高速数据链路需求。
  4. 强化 ESD 保护:总线端口达 ±10 kV 的 ESD 抗扰能力,显著提升系统在工业电磁环境中的可靠性与抗破坏性。

三、典型应用场景

  • 工业自动化现场总线(多点 RS-485 链路)
  • 数据采集与远程仪表传输(长距离差分通信)
  • 楼宇自动化与安防控制系统
  • 需要热插拔或现场快速维护的通信模块

四、设计与使用建议

  • 电源与退耦:在 VCC 引脚旁放置 0.1 μF 陶瓷退耦电容,并在可能情况下加 1 μF 至 10 μF 的旁路电容以抑制低频噪声。
  • 总线保护:器件自带高 ESD 抗扰能力,但在极端电磁环境下建议外加 TVS 二极管与共模滤波器以增强浪涌保护。
  • 终端与偏置:在差分总线两端使用推荐阻抗的终端电阻(典型 120 Ω)并按需要配置偏置电阻或失效保障电路以保证空闲总线的确定电平。
  • PCB 布局:差分线尽量成对、等长并靠近接地面走线,驱动器与总线守护器件布置紧凑以降低串扰与环路面积。
  • 使能管理:利用器件的使能/关断功能实现节点级电源管理,避免长时间空闲造成的能耗。

五、可靠性与兼容性

MAX3045BESE+T 工作温度范围覆盖工业级(-40 ℃ 至 +85 ℃),并采用 SO-16 封装,便于与常见 PCB 布局和插座兼容。其 RS-422/RS-485 差分驱动特性与工业标准兼容,可作为现有系统的替换或升级选择。

总结:MAX3045BESE+T 以其四路驱动、高速传输、出色的 ESD 抗扰能力与低功耗设计,适合用于苛刻工业与现场应用中对可靠性、维护性和功耗有严格要求的差分通信场合。在实际设计中,配合合理的终端、退耦与额外的浪涌保护措施,可获得最佳的长期稳定性与抗干扰性能。

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