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Maxim产品 - MAX3389E介绍

MAX3389E - 2.5V、±15kV ESD保护、RS-232收发器，用于PDA和蜂窝电话

MAX3389E是Maxim美信半导体公司的一款驱动器-接收器产品，MAX3389E是2.5V、±15kV ESD保护、RS-232收发器，用于PDA和蜂窝电话，本站介绍了MAX3389E的封装应用图解、特点和优点、功能等，并给出了与MAX3389E相关的Maxim元器件型号供参考。

MAX3389E - 2.5V、±15kV ESD保护、RS-232收发器，用于PDA和蜂窝电话 - 驱动器-接收器 - +2.5V RS-232收发器，适用于PDA HotSync - 美信半导体

产品概述

The MAX3388E/MAX3389E are 2.5V-powered EIA/TIA-232 and V.28/V.24 communications interfaces with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection. The MAX3388E/MAX3389E have two receivers and three transmitters. All RS-232 inputs and outputs are protected to ±15kV using the IEC 1000-4-2 Air-Gap Discharge method, ±8kV using the IEC 1000-4-2 Contact Discharge method, and ±15kV using the Human Body Model.

In addition to the traditional RS-232 I/O, these devices have dedicated logic-level I/O pins for additional device-to-device handshaking. During shutdown the logic-level I/O pins are active for the MAX3389E. An internal 62Ω switch is provided to switch power to external circuitry or modules.

A proprietary low-dropout transmitter output stage enables RS-232 compatible performance from a +2.35V to +3.0V supply with a dual charge pump. The charge pump requires only four small 0.1µF capacitors for operation from a +2.5V supply. The MAX3388E/MAX3389E are capable of running at data rates up to 460kbps while maintaining RS-232-compatible output levels.

The MAX3388E/MAX3389E have a unique VL pin that allows interoperation in mixed-logic voltage systems. Both input and output logic levels are pin programmable through the VL pin. The MAX3388E/MAX3389E are available in a space-saving TSSOP package.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • VL Pin for Compatibility with Mixed-Voltage Systems
  • Additional I/O for Hot-Sync Applications
  • ±15kV ESD Protection on Rx Inputs, Tx Outputs, LIN, and SWIN
  • Low 300µA Supply Current
  • Guaranteed 460kbps Data Rate
  • 1µA Low-Power Shutdown
  • Integrated Switch for Powering Remote Circuitry
  • Flow-Through Pinout
  • LOUT Active During Shutdown (MAX3389E)
    • 热门应用
  • 电池供电应用
  • 蜂窝数据电缆
  • 手持式装置
  • PDA与PDA托架
  • 外设
  • 亚笔记本与掌上电脑
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