WMSIC Electronic Components

TECH PUBLIC MAX3232CSE

ModelMAX3232CSE
PackageSOP-16
BrandTECH PUBLIC
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TECH PUBLIC MAX3232CSE
Type
TECH PUBLIC
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
MAX3232CSE
Electronic Component
1
Package
SOP-16
Type
Transceiver
Electronic Component
RS232IC
Electronic Component
0.274g
Electronic Component
1
Electronic Component
BM0226539232
Operating Temperature
40℃~+125℃
Operating Voltage
3V~5.5V
Receiver
2
Data
250Kbps
Static Current
1.5mA
Electronic Component
±12kV

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

MAX3232CSE 产品概述

MAX3232CSE 是一款用于扩展 RS-232 接口的收发器芯片(Transceiver),由 TECH PUBLIC(台舟电子)提供,封装为 SOP-16。器件集成双驱动器与双接收器,内置电荷泵,可在单电源条件下实现 TTL/CMOS 与 RS-232 电平之间的双向电平转换,适合工业级和嵌入式场景对串口通信的扩展和保护需求。

一、主要功能与特点

  • 双驱动器、双接收器:支持同时两个 RS-232 信道的发送与接收,满足常见串口扩展需求。
  • 内置电荷泵:3V~5.5V 单电源供电下生成所需的正负电压,无需外部负电源。
  • 数据速率:最高支持约 250 kbps 的通信速率,适合标准串口通信和多数低速串行协议。
  • 低静态电流:静态电流典型值 1.5 mA,有利于功耗敏感型应用。
  • 强抗静电能力:I/O 端口静电防护可达 ±12 kV(人体模型),提高系统可靠性。
  • 工业温度范围:工作温度 -40 ℃ 至 +125 ℃,适用于严苛环境。

二、电气与环境参数要点

  • 工作电压:3.0 V 至 5.5 V 单电源供电,兼容 3.3V 与 5V 系统。
  • 静电保护:对外部接口具备 ±12 kV ESD 保护能力,减少因ESD导致的器件失效风险。
  • 温度范围:-40℃ ~ +125℃,满足多数工业与车规级温度需求(请按系统级要求验证)。
  • 数据速率与带宽匹配:典型 250 kbps,适合 Modbus、串口调试、传感器数据上报等场景。

三、典型应用场景

  • 工业控制与自动化设备的 RS-232 口扩展与隔离前端。
  • 嵌入式系统与单片机的串口转换(3.3V/5V MCU 与传统串口设备通信)。
  • POS 终端、条码枪、仪器仪表及通信模块接口电平匹配。
  • 需要较强抗干扰与宽温度范围的现场设备。

四、设计要点与封装信息

  • 封装:SOP-16,便于通过孔或贴片安装在标准 PCB 上。
  • 外围元件:内置电荷泵通常需要四个外接电容以实现电压倍升/反转(为稳定输出,请参照器件数据手册选择合适容值)。
  • 电源与布局:建议使用可靠的电源去耦(如 0.1 µF 陶瓷电容近 VCC 引脚),并在 PCB 布局中将敏感走线与高电压 RS-232 走线分隔以降低干扰。
  • 保护与可靠性:尽管器件具备 ±12 kV ESD 能力,系统设计中仍建议配合外部防护(如 TVS 二极管)以提高整机抗冲击能力。

五、选型建议与优势

MAX3232CSE 以其宽电源范围、内置电荷泵、低静态电流及工业温度等级,成为需要将 TTL/CMOS 串口与 RS-232 设备连接时的常用选择。选型时应关注实际通信速率、外部电容需求与系统电源能力,并结合封装尺寸(SOP-16)与 PCB 布局空间进行评估。对需要长期稳定运行、抗静电能力强的工业应用尤其合适。

如需进一步的引脚功能、电气特性曲线或参考电路图,请参考 TECH PUBLIC(台舟电子)提供的 MAX3232CSE 数据手册。

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