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ADI/LINEAR MAX202EESE+T MAX202EESE
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR MAX202EESE+T
- Type
- ADI/LINEAR
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- MAX202EESE+T
- Electronic Component
- 1
- Package
- SOIC-16
- Type
- Transceiver
- Electronic Component
- RS232IC
- Electronic Component
- 0.322g
- Electronic Component
- 1
- Electronic Component
- BM0264526762
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.5V~5.5V
- Receiver
- 2
- Data
- 120Kbps
- Static Current
- 15mA
- Electronic Component
- ±15kV
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MAX202EESE+T 产品概述
一、产品简介
MAX202EESE+T 是一款高集成度的双通道 RS-232 收发器，封装为 16 引脚 SOIC，来自 ADI/LINEAR 系列。器件集成了正负电压产生电荷泵，能够在单一 4.5V–5.5V 电源下直接驱动符合 RS-232 电平的串口通信接口，适用于工业控制、人机界面和嵌入式系统中的串口通信需求。
二、主要特性
- 双发送器、双接收器架构（2 Tx / 2 Rx），满足多路串口连接需求。
- 支持最大传输速率约 120 kbps，适合典型的 RS-232 串口通信。
- 工作电压范围：4.5V 到 5.5V，与常见单电源系统兼容。
- 器件内部带有电荷泵，可通过外接电容产生所需的 RS-232 ± 电压，简化电源设计。
- 静态电流（静态 ICC）约 15 mA，适中功耗，便于电源热设计。
- 工作温度范围为 -40℃ 至 +85℃，满足工业级环境要求。
- 封装为 SOIC-16，便于 PCB 布局与自动化组装。
- 器件提供 ±15 kV 静电保护，增强接口抗扰能力。
三、引脚及封装要点
MAX202EESE+T 为标准 16 引脚 SOIC 封装。典型功能包括：电源引脚（VCC、GND）、两对发送器输入/输出、两对接收器输入/输出，以及电荷泵相关的 C1+/C1-、C2+/C2-、V+、V- 等引脚。设计时需按手册推荐布置四只外部电荷泵电容（常用 1 µF），以保证内部电压转换稳定。
四、电气与环境性能
器件在 4.5V–5.5V 电源下稳定工作，静态电流约 15 mA；在工作温度范围内（-40℃ 至 +85℃）性能保持可靠。RS-232 侧输出满足行业电平要求，接收器输出为逻辑电平，方便与 MCU、FPGA 等 5V 逻辑接口直接连接。器件具备工业级的静电防护能力，提升在现场应用中的可靠性。
五、设计与使用注意事项
- 严格按照数据手册推荐配置电荷泵电容和旁路电容，避免电压抖动导致通信异常。
- 布局时将电荷泵电容尽量靠近芯片相应引脚，以降低寄生电感和电阻。
- 若系统需降低静态功耗，可评估是否在系统睡眠时断电或采用外部切换；器件本身静态电流约 15 mA。
- 在高 EMI 或长线应用场景中，建议在 RS-232 信号线上加共模电感或 TVS 保护以增强抗扰能力，尽管器件已具备 ±15 kV 静电保护。
六、典型应用场景
- 工业控制与自动化设备的串口通信模块。
- 工业人机界面（HMI）、数据采集终端（DAQ）与 PLC 通信接口。
- 嵌入式系统与单片机的 UART 电平适配。
- 需在宽温范围运行且要求稳定 RS-232 接口的仪器仪表。
七、替代与采购提示
MAX202EESE+T 属于经典 RS-232 收发器系列，市场上存在功能与封装相近的替代型号，但在选型时需确认电源电压、传输速率、电荷泵需求和静态电流等关键参数一致。采购时注意核对生产批次、温度等级与原厂或授权分销商的供应状态，以保证长期可用性与质量可控。
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