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Maxim产品 - MAX3212介绍

MAX3212 - +2.7V至+3.6V供电、1µA电源电流、3驱动器/5接收器、真RS-232收发器

MAX3212是Maxim美信半导体公司的一款驱动器-接收器产品，MAX3212是+2.7V至+3.6V供电、1µA电源电流、3驱动器/5接收器、真RS-232收发器，本站介绍了MAX3212的封装应用图解、特点和优点、功能等，并给出了与MAX3212相关的Maxim元器件型号供参考。

MAX3212 - +2.7V至+3.6V供电、1µA电源电流、3驱动器/5接收器、真RS-232收发器 - 驱动器-接收器 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX3212 uses Maxim's new proprietary AutoShutdown mode to reduce supply current to 1µA. The MAX3212, with 3 RS-232 drivers and 5 RS-232 receivers, is intended for 2.7V to 3.6V-powered EIA/TIA-232E and V.28/V.24 serial interface. True RS-232 levels are maintained across the operating range. A guaranteed data rate of 235kbps provides compatibility with popular software for communicating with personal computers.

Supply current is reduced to 1µA with Maxim's new AutoShutdown feature. When the MAX3212 does not sense a valid signal level on the receiver inputs, the on-board power supply and drivers shut down. This occurs if the RS-232 cable is disconnected or if the transmitters of the connected peripheral are turned off. The system turns on again when a valid level is applied to any RS-232 receiver input. As a result, the system saves power without changes to the existing software.

A second power-management feature is incorporated to permit automatic shutdown when the RS-232 connection is valid but inactive. In this case, a transition detector facilitates shutdown when the receivers are presented with stationary RS-232 levels for long periods.

Three-state drivers are provided on receiver outputs so that multiple receivers, generally of different interface standards, can be wire-ORed at the UART. The MAX3212 is available in 28-pin SO and SSOP packages.

关键特性
  • 以下关键特性由Maxim美信半导体提供：BETTER THAN BIPOLAR!
  • 1µA Supply Current Using AutoShutdown
  • Operates from Single +2.7V to +3.6V Supply
  • 28-Pin SSOP or Wide SO Packages
  • Meets All EIA/TIA-232E & EIA/TIA-562 Specifications
  • Mouse Driveability-Guaranteed
  • Low-Cost, Surface-Mount External Components
  • 235kbps Guaranteed Data Rate-LapLink® Compatible
  • +5V Logic Compatible
  • Complementary Receiver Output Always Active
  • Flow-Through Pinout
    • 热门应用
  • 电池供电应用
  • 仪表
  • 笔记本电脑和掌上电脑
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