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Maxim产品 - MAX3319介绍

MAX3319 - 2.5V、1µA、460kbps、RS-232兼容收发器

MAX3319是Maxim美信半导体公司的一款驱动器-接收器产品，MAX3319是2.5V、1µA、460kbps、RS-232兼容收发器，本站介绍了MAX3319的封装应用图解、特点和优点、功能等，并给出了与MAX3319相关的Maxim元器件型号供参考。

MAX3319 - 2.5V、1µA、460kbps、RS-232兼容收发器 - 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 MAX3316–MAX3319 transceivers have a proprietary low-dropout transmitter output stage enabling RS-232-compatible performance from +2.25V to +3.0V with a dual-charge pump. These devices require only four 0.1µF capacitors, and are guaranteed to operate at data rates up to 460kbps.

The MAX3318/MAX3319 achieve a 1µA supply current using Maxim's revolutionary AutoShutdown Plus™ feature. These devices automatically enter a low-power shutdown mode when the RS-232 cable is disconnected or the transmitters of the connected peripherals are 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 MAX3318 is a 2-Tx/2-Rx device while the MAX3319 is a 1-Tx/1-Rx device. These devices also feature a logic-level output (READY) that asserts when the charge pump is regulating and the device is ready to begin transmitting.

The MAX3316/MAX3317 are 2-Tx/2-Rx transceivers. The MAX3317 features a 1µA shutdown mode that can be entered by driving active-low SHDN low. The MAX3317's receivers remain active while in shutdown mode, allowing external devices such as modems to be monitored using only 1µA supply current.

These devices are available in space-saving packages: MAX3316 (16-pin SSOP and 20-pin TSSOP), MAX3317/MAX3318 (20-pin SSOP and 20-pin TSSOP), and MAX3319 (16-pin SSOP).

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • AutoShutdown Plus (MAX3318/MAX3319)
  • 300µA Operating Supply Current
  • 1µA Low-Power Shutdown with Receivers Active
  • Guaranteed 460kbps Data Rate
  • Guaranteed 4V/µs Slew Rate
  • RS-232 Compatible Down to 2.25V
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