WMSIC Electronic Components

ADI/LINEAR MAX3488ESA+T MAX3488ESA

ModelMAX3488ESA+T
PackageSO-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 MAX3488ESA+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX3488ESA+T
Electronic Component
1
Package
SO-8
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.212g
Electronic Component
32
Electronic Component
1
Electronic Component
BM0258741323
Operating Temperature
40℃~+85℃
Operating Voltage
3V~3.6V
Receiver
1
Data
250Kbps
Communication
Electronic Component

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

MAX3488ESA+T 产品概述

一、概述

MAX3488ESA+T 是一款针对 RS-422/RS-485 差分总线通信设计的单驱动器/单接收器收发器,采用 3.3V 供电(工作电压 3.0V–3.6V),封装为 SO-8,适用于工业级环境(工作温度 -40℃ 至 +85℃)。器件支持全双工通信,集成热关断与过流保护机制,静态电流低至约 2.2mA,兼顾低功耗与高可靠性。

二、主要性能特性

  • 支持 RS-422/RS-485 标准的差分收发功能,单驱动、单接收拓扑,适合点对点或多点网络。
  • 最高可实现高达 10Mbps 的高速传输能力,同时具备斜率限制(slew-rate limit)功能,用于降低高速切换造成的电磁干扰(EMI)。
  • 在典型多点短距离或低速总线场景下常见的数据速率约 250kbps,节点支持数量可达 32 个(标准负载条件下)。
  • 3.3V 专用供电,工作电压范围 3.0V–3.6V,便于与主流 MCU/FPGA 互联。
  • 工业级温度范围:-40℃ 至 +85℃,适合恶劣环境使用。
  • 器件内置热关断和过流保护,当驱动器过载或短路时自动限制,提升系统安全性与可维护性。
  • 低静态电流约 2.2mA,适合功耗敏感应用。

三、典型应用场景

  • 工业自动化通信总线(PLC、运动控制器与远端 I/O)。
  • 楼宇自控与安防系统(门禁、监控设备间的差分通讯)。
  • 测试与测量设备、数据采集模块的差分接口。
  • 嵌入式系统与通信网关中需实现长距离可靠串行链路的场合。
  • 需要兼顾高速与 EMI 控制的场景。

四、设计注意事项

  • 总线终端:长线或高速传输时建议在总线两端使用适当阻值的终端电阻以抑制反射;低速或短线场合可依据系统拓扑酌情省略。
  • 偏置与 failsafe:为保证空闲总线状态的确定性,应在网络中配置偏置电阻或使用内置 failsafe 功能(若系统需要请查看器件具体实现)。
  • EMI 与布局:若启用斜率限制功能,可有效降低共模干扰;PCB 布局时应保持差分对走线一致、靠近并尽量短,接地平面完整以减少辐射。
  • 保护与散热:虽然器件具备热关断与过流保护,但在长时间高负载或短路情况下仍需注意散热与保护电路设计,避免频繁触发热关断影响通信稳定性。
  • 电源旁路:建议在供电引脚附近放置足够的去耦电容,抑制瞬态干扰,保证驱动性能。

五、封装与可靠性

MAX3488ESA+T 提供 SO-8 封装,适合自动化贴片生产与回流焊装配。器件设计符合工业级温度规范,并包含多重保护机制,能在工业现场长期稳定运行。

六、总结

MAX3488ESA+T 是一款面向工业级差分通讯的 3.3V 收发器,兼具高速传输能力与 EMI 管控设计,集成热关断与过流保护,静态电流低、工作温度范围宽,适合需要可靠、低功耗且抗干扰的 RS-422/RS-485 应用。设计时注意总线终端、偏置与 PCB 布局,可获得最佳性能与长期稳定性。

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