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ADI/LINEAR MAX232ESE+T MAX232ESE
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR MAX232ESE+T
- Type
- ADI/LINEAR
- Minimum package
- 2500 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- MAX232ESE+T
- Electronic Component
- 1
- Package
- SOIC-16
- Type
- Transceiver
- Electronic Component
- RS232IC
- Electronic Component
- 0.322g
- Electronic Component
- 1
- Features
- Low Power
- Electronic Component
- BM0257638594
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.5V~5.5V
- Receiver
- 2
- Data
- 120Kbps
- Static Current
- 5mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MAX232ESE+T 产品概述
一、产品简介
MAX232ESE+T 是 ADI（原 Maxim/Linear）推出的一款 +5V 供电、多通道 RS-232 收发器集成电路。器件集成了电荷泵电路，可在单一 4.5V~5.5V 电源下实现符合 RS‑232 电平的信号转换，适合在嵌入式系统与传统串口设备之间进行可靠的电平接口转换。封装为 SOIC-16，便于通用 PCB 布局与替换升级。
二、主要特性
- 类型：收发器（Driver/Receiver）
- 驱动器数：2（用于 TX）
- 接收器数：2（用于 RX）
- 数据速率：可支持至 120 kbps（典型 UART/异步通信速率）
- 工作电压：4.5V ~ 5.5V（单电源 +5V 供电）
- 工作温度：-40℃ ~ +85℃（工业级）
- 静态电流：约 5 mA（静态功耗低，适合长期在线设备）
- 封装：SOIC-16，符合常见工业板载封装工艺
三、电气与功能说明
MAX232ESE+T 内部包含电荷泵和 RS‑232 驱动/接收通道，能在 TTL/CMOS 逻辑电平（例如 MCU 的 UART）与 RS‑232 电平之间进行双向转换。器件在没有外部 ± 电源的情况下，通过外置电容实现电荷泵升压/反转，输出满足 RS‑232 电平要求，且接收端具有容错能力，能识别空闲与欠压状态。
常见外设连接示意：MCU TX/RX ↔ TTL 侧引脚，RS‑232 接口线 ↔ 驱动输出/接收输入。器件通常需要四个外接电容（常用 1 µF）以稳定电荷泵工作（参照具体数据手册选择）。
四、典型应用场景
- 工业控制与 PLC 的串口通信接口
- POS 终端、票据打印机等传统外设接口
- 仪器仪表与测试设备的 RS‑232 链路
- 嵌入式开发板、数据采集模块与调试串口
- 需要将 5V TTL/UART 转换为长线 RS‑232 通信的场合
五、设计与使用建议
- 电容选择与布局：为保证电荷泵稳定，建议使用制造商推荐值的低 ESR 电容并尽量靠近器件脚位布置。
- 去耦与电源：在 VCC 处并联 0.1 µF 陶瓷去耦电容以抑制高频噪声；若系统有较强干扰，可增加更大电容用于滤波。
- ESD 与浪涌保护：RS‑232 端口易受外界干扰，建议在连接器处增加 TVS 或缓冲保护元件，尤其用于工业环境。
- PCB 布线：信号线短且直，驱动与接收回路分开走线，避免模拟地与数字地大电流回流干扰。
六、封装与订购信息
MAX232ESE+T 常见封装为 SOIC-16，适配常规插装与回流焊工艺。订购时请核对品牌（ADI/Linear）、完整型号与温度等级（工业级 -40℃~+85℃）以确保性能与可靠性。
总结：MAX232ESE+T 为经典、成熟的 +5V RS‑232 收发解决方案，凭借低静态电流、多通道集成及工业级温度范围，适合需要稳定串行接口转换的各类嵌入式与工业应用。若需更详细的电气参数、引脚排列和应用电路，请参阅 ADI 官方数据手册。
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