WMSIC Electronic Components

TECH PUBLIC MAX3232ID

ModelMAX3232ID
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 MAX3232ID
Type
TECH PUBLIC
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
MAX3232ID
Electronic Component
1
Package
SOP-16
Type
Transceiver
Electronic Component
RS232IC
Electronic Component
0.274g
Electronic Component
1
Electronic Component
BM0228740074
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.

MAX3232ID 产品概述

一、产品简介

MAX3232ID 是一款双路 RS-232 收发器,集成电荷泵,可直接在 3.0V 至 5.5V 工作电压下工作,为 TTL/CMOS 电平与 RS-232 电平之间提供双向电平转换。器件在工业级温度范围(-40°C 至 +125°C)内可靠工作,封装为 SOP-16,品牌为 TECH PUBLIC(台舟电子),适合嵌入式系统与工业通信接口场景。

二、主要特性

  • 工作电压:3.0V ~ 5.5V,兼容 3.3V 与 5V 系统。
  • 数据速率:最高可达 250 kbps,满足常见串口通信需求(如调制解调器、嵌入式串口)。
  • 电荷泵:内部集成电荷泵,可生成所需的正负电压,免外部双电源。
  • 通道数:2 路驱动器(驱动 RS-232 输出)与 2 路接收器(接收 RS-232 输入)。
  • 静态电流:典型值约 1.5 mA,适合低功耗应用。
  • 静电保护:支持高达 ±12 kV 的 ESD 保护,提高系统抗干扰能力。
  • 封装:SOP-16,便于 PCB 布局与批量装配。

三、典型应用

  • 嵌入式设备的串口(UART)电平转换
  • 工业控制器、人机界面(HMI)与PLC 通讯接口
  • 调试串口、POS 终端、医疗设备的 RS-232 外设连接(需遵循相应行业规范)
  • 需要在 3.3V 或 5V 系统中实现 RS-232 通信的场景

四、使用建议与注意事项

  • 外部电容:为保证电荷泵稳定,通常需外接四个电荷泵电容(例如 1 µF),并将旁路电容尽量靠近 VCC 引脚。
  • PCB 布局:保持地平面连续,驱动器输出走线尽量短,接收端做好隔离与滤波以减少共模干扰。
  • 电源管理:考虑休眠或节能模式时参考器件漏电流与系统功耗预算。
  • 接地与保护:对于高噪声工业现场,建议在 RS-232 接口处配合 TVS 或其他浪涌抑制元件以强化保护。

五、优势与选型参考

MAX3232ID 在单电源(3V–5.5V)环境下通过内部电荷泵实现 RS-232 电平,简化了系统电源设计;低静态电流与工业级温度范围使其适合嵌入式与工业应用。选型时应关注数据速率要求、封装形式与系统的抗扰度需求,若需更高速或更强 ESD 性能,可对比其它同类收发器规格。

总结:MAX3232ID 提供稳定、低功耗且便于集成的 RS-232 收发解决方案,适合在 3.3V/5V 平台上实现可靠的串口通信。

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