WMSIC Electronic Components

HTC MAX485EN

HTC MAX485EN
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Product image

ModelMAX485EN
PackageDIP-8
BrandHTC
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

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Technical data

Product details

19 specifications

Core information

Product name
HTC MAX485EN
Type
HTC
Minimum package
2000 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HTC
Electronic Component
MAX485EN
Electronic Component
1
Package
DIP-8
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.736g
Electronic Component
32
Electronic Component
1
Features
Tx / Rx
Electronic Component
BM0116151699
Operating Temperature
40℃~+85℃
Operating Voltage
4.75V~5.25V
Receiver
1
Data
5Mbps

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

MAX485EN 产品概述

一、产品背景

MAX485EN 是由 Maxim Integrated 设计的一款低功耗 RS-485 和 RS-422 收发器，广泛用于各种工业和商业应用中。它支持多点总线系统，允许多达 32 个设备在同一网络中进行通信。MAX485EN 的设计目标是提供高达 1200 米的传输距离，确保在噪声环境下的数据完整性。

二、基本特性

  1. 封装: MAX485EN 采用 DIP-8（双列直插封装）设计，这使得它易于安装和焊接，特别适合于需要频繁更换或实验的原型设计中。

  2. 低功耗: 在待机模式下消耗的电流低至 300 μA，这使得它能够在功率敏感的应用中运行。而在工作模式下，发送电流为 120 mA，使设备能够在高传输速率下稳定工作。

  3. 多点通信: MAX485EN 支持 ¼ 磁性驱动和 ¼ 磁性接收，允许多主机和多从机的配置。这使得它在复杂网络系统中尤为重要，如工业自动化、智能电表和楼宇自动化等场景。

  4. 较高的数据传输速率: MAX485EN 可以在最高 2.5 Mbps 的速率下进行数据传输，适合需要高频宽的应用。

  5. 抗干扰能力强: 产品的差分信号设计，使其在长距离传输中也能有效抵抗电磁干扰（EMI）和射频干扰（RFI），从而确保数据的完整性和可靠性。

  6. 宽工作温度范围: MAX485EN 的工作温度范围为 -40°C 至 +85°C，适应各种严苛环境下的应用需求。

三、应用领域

MAX485EN 被广泛应用于以下领域：

  1. 工业自动化: 在自动化控制系统中，如PLC和传感器网络，MAX485可用于长距离数据通信，使设备间能够有效连接和交流。

  2. 楼宇自动化: 在智能建筑系统中，最大485能够帮助实现智能照明、HVAC（供暖、通风与空调）管理和安全监控等功能。

  3. 电力系统: 用于电表和其他监测设备之间的通信，能够确保数据及时传输，从而实现智能电网管理。

  4. 交通管理系统: 在交通信号控制和监控系统中，MAX485支持多个设备的网络布局，提高了系统的可靠性和效率。

  5. 医疗设备: 在医疗监控和诊断设备中，用于不同设备间的数据传输，以实现患者信息的实时共享。

四、接口与连接

MAX485EN 提供了简单的串行接口，采用差分信号进行通信。发送引脚 (A, B) 和接收引脚 (RO, RE) 设计上支持简单的线性连接。为了确保最佳性能，建议使用适当的终端电阻来减少信号反射，特别是在长距离传输时。

五、总结

MAX485EN 是一款高效、可靠且功能强大的 RS-485 收发器，适用于多种需要长距离和高数据传输速率的应用。凭借其低功耗设计与宽广的工作温度范围，MAX485EN 成为了工业和商业领域的理想选择。无论是在新产品开发，还是在现有系统的升级，MAX485EN 都展现出了出色的性能特性，推动了现代通信技术的发展。

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