MAX3235E - ±15kV ESD保护、1µA、250kbps、3.3V/5V、双路RS-232收发器，内置电容

MAX3235E是Maxim美信半导体公司的一款驱动器-接收器产品，MAX3235E是±15kV ESD保护、1µA、250kbps、3.3V/5V、双路RS-232收发器，内置电容，本站介绍了MAX3235E的封装应用图解、特点和优点、功能等，并给出了与MAX3235E相关的Maxim元器件型号供参考。

MAX3235E - ±15kV ESD保护、1µA、250kbps、3.3V/5V、双路RS-232收发器，内置电容 - 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 MAX3233E/MAX3235E are EIA/TIA-232 and V.28/V.24 communications interfaces with automatic shutdown/wake-up features, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, to ±8kV using IEC 1000-4-2 Contact Discharge, and to ±15kV using the Human Body Model. The MAX3233E operates from a +3.3V supply; the MAX3235E operates from +5.0V.

All devices achieve a 1µA supply current using Maxim's revolutionary AutoShutdown Plus™ feature. These devices automatically enter a low-power shutdown mode when the following two conditions occur: either the RS-232 cable is disconnected or the transmitters of the connected peripherals are inactive, and the UART driving the transmitter inputs is inactive for more than 30 seconds. They turn on again when they sense a valid transition at any transmitter or receiver input. AutoShutdown Plus saves power without changes to the existing BIOS or operating system.

The MAX3233E/MAX3235E have internal dual charge pumps requiring no external capacitors. Both transceivers have a proprietary low-dropout transmitter output stage that enables true RS-232 performance from a +3.0V to +3.6V supply for the MAX3233E or a +4.5V to +5.5V supply for the MAX3235E. These devices are guaranteed to operate up to 250kbps. Both are available in space-saving 20-pin wide SO or plastic DIP packages.

关键特性

以下关键特性由Maxim美信半导体提供：

ESD Protection for RS-232 I/O Pins

±15kV—Human Body Model

±8kV—IEC 1000-4-2, Contact Discharge

±15kV—IEC 1000-4-2, Air-Gap Discharge

Latchup Free

1µA Supply Current

AutoShutdown Plus-1997 EDN Magazine Innovation of the Year

Single-Supply Operation

+3.0V to +3.6V (MAX3233E)

+4.5V to +5.5V (MAX3235E)

250kbps Guaranteed Data Rate

6V/µs Guaranteed Slew Rate

Meets EIA/TIA-232 Specifications Down to 3.0V (MAX3233E)

Internal Charge-Pump Capacitors

热门应用

电池供电应用

蜂窝电话

嵌入式系统

手持式装置

外设

亚笔记本与掌上电脑

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