WMSIC Electronic Components

ADI/LINEAR MAX202ESE+T MAX202ESE

ModelMAX202ESE+T
PackageSO-16
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX202ESE+T
Type
ADI/LINEAR
Minimum package
2500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX202ESE+T
Electronic Component
1
Package
SO-16
Type
Transceiver
Electronic Component
RS232IC
Electronic Component
0.307g
Electronic Component
1
Features
Low Power
Electronic Component
BM0264531247
Operating Temperature
40℃~+85℃
Operating Voltage
5V
Receiver
2
Data
120Kbps
Static Current
8mA

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

MAX202ESE+T 产品概述

一、产品简介

MAX202ESE+T 是一款面向工业级串行通信的双通道 RS-232 收发器(Transceiver),属于 ADI/LINEAR 系列产品。器件集成了两路驱动器(T)和两路接收器(R),在单一 16 引脚 SOIC 封装(SO-16)内提供完整的 TTL/CMOS ↔ RS-232 电平转换功能。器件内部含电荷泵,可在单一 +5V 电源下生成所需的 RS-232 电平,从而免除了外部负电源的需求,适合嵌入式系统和通信接口模块。

二、主要性能参数

  • 器件类型:收发器(RS-232 Transceiver)
  • 驱动器数:2 路
  • 接收器数:2 路
  • 典型数据速率:120 kbps
  • 工作电压:+5 V(单电源)
  • 电荷泵:内置(用于负电压/高电平生成)
  • 工作温度范围:-40 ℃ ~ +85 ℃(工业级)
  • 静态电流(Quiescent Current):约 8 mA
  • 封装:SO-16(16-pin SOIC)
  • 品牌:ADI(Analog Devices / Linear)

三、核心特点与优势

  • 单芯片双通道:两对驱动/接收通道满足常见双串口或差分多路转换需求,减少 PCB 面积与系统复杂度。
  • 单电源设计:+5V 供电并集成电荷泵,无需外加 ±V 电源,提高设计简便性与可靠性。
  • 工业温度等级:支持 -40 ℃ 到 +85 ℃,适合工业控制、仪表和户外设备等苛刻环境。
  • 低静态功耗:约 8 mA 的静态电流,有助于降低系统待机功耗,利于中等功耗受限的嵌入式系统。
  • 标准封装与兼容性:SO-16 常见封装,便于替换与量产,同时兼容常见 MAX/ADM 系列接口器件布局。

四、引脚与封装说明(概要)

MAX202ESE+T 采用 16 引脚 SOIC 封装(SO-16),常见引脚包括:

  • VCC:+5V 电源输入
  • GND:地
  • T1OUT/T2OUT:驱动器输出(RS-232 侧)
  • R1IN/R2IN:驱动器输入(TTL/CMOS 侧)
  • R1OUT/R2OUT:接收器输出(TTL/CMOS 侧)
  • T1IN/T2IN:接收器输入(RS-232 侧)
  • 电荷泵旁路/连接引脚:用于连接外部电容以支持内部电荷泵(具体电容值与接法请参见器件数据手册)
    实际引脚功能及排列以厂家数据手册为准,设计时请严格依据官方引脚图与应用电路接线。

五、典型应用场景

  • 工业控制器与 PLC 的串口通信接口(RS-232)
  • 嵌入式系统与微控制器 UART 电平转换
  • 仪表与测试设备的串口数据采集与传输
  • POS 终端、条码扫描器等外设接口
  • 需要小尺寸封装与单电源 RS-232 转换的消费或专业设备

六、使用与布局建议

  • 电源去耦:在 VCC 引脚附近放置 0.1 µF 陶瓷去耦电容并尽可能靠近器件引脚,以抑制电源纹波与瞬态噪声。
  • 电荷泵电容:器件内部电荷泵通常需要外接几个旁路电容(参考器件数据手册推荐值,典型为 1 µF);按数据手册布线以确保稳定的 RS-232 电平生成。
  • 地平面与信号回流:为避免共模噪声和串扰,建议在 PCB 上提供连续地平面,并为 RS-232 信号与逻辑侧信号分配清晰的回流路径。
  • ESD 与浪涌保护:RS-232 线缆端易受静电和感应浪涌,应在接口处考虑 TVS 二极管或其他过压保护器件(尤其在工业/野外环境)。
  • 发送/接收速率与线缆长度:为保证 120 kbps 传输的可靠性,使用适当的线缆并控制布线阻抗、避免长线上的反射和噪声。

七、可靠性与环境条件

MAX202ESE+T 支持工业级温度范围(-40 ℃ ~ +85 ℃),在常规电源与散热条件下可长期稳定工作。器件的静态电流约为 8 mA,在选择电源管理与系统功耗预算时应计入该基线电流。实际系统设计中应评估工作环境的潮湿、振动与电磁干扰,并根据应用场景采取相应的防护措施。

结论:MAX202ESE+T 提供了一种可靠、体积小、易于实现的 RS-232 双通道收发解决方案,适合需要单电源、工业温度与低静态功耗的串口通信场景。在设计与量产前,请以厂家最新数据手册为准,按推荐电路与外部器件值进行布局和验证。

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