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Maxim产品 - MAX705介绍

MAX705 - 低成本、微处理器监控电路

MAX705是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX705是低成本、微处理器监控电路，本站介绍了MAX705的封装应用图解、特点和优点、功能等，并给出了与MAX705相关的Maxim元器件型号供参考。

MAX705 - 低成本、微处理器监控电路 - 监控电路、电压监测、排序 - 低成本复位 + 看门狗IC - 美信半导体

产品概述

The MAX705–MAX708/MAX813L microprocessor (µP) supervisory circuits reduce the complexity and number of components required to monitor power-supply and battery functions in µP systems. These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components.

The MAX705/MAX706/MAX813L provide four functions:

  1. A reset output during power-up, power-down, and brownout conditions.
  2. An independent watchdog output that goes low if the watchdog input has not been toggled within 1.6 seconds.
  3. A 1.25V threshold detector for power-fail warning, low-battery detection, or for monitoring a power supply other than +5V.
  4. An active-low manual-reset input.

The MAX707/MAX708 are the same as the MAX705/MAX706, except an active-high reset is substituted for the watchdog timer. The MAX813L is the same as the MAX705, except RESET is provided instead of active-low RESET.

Two supply-voltage monitor levels are available: The MAX705/MAX707/MAX813L generate a reset pulse when the supply voltage drops below 4.65V, while the MAX706/MAX708 generate a reset pulse below 4.40V. All four parts are available in 8-pin DIP, SO and µMAX® packages.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Supervisory-Function Integration Significantly Improves System Reliability While Reducing Board Space
  • µMAX Package
  • Guaranteed Active Low RESET Valid at VCC = 1V
  • 200ms Reset Pulse Width
  • Debounced TTL/CMOS-Compatible Manual-Reset Input
  • Active-High Reset Output (MAX707/MAX708/MAX813L)
  • Precision-Supply Voltage Monitor
  • 4.65V (MAX705/MAX707/MAX813L)
  • 4.40V (MAX706/MAX708)
  • Voltage Monitor for Power-Fail or Low-Battery Warning
    • 热门应用
  • 计算机
  • 控制器
  • 精确的µP电源监控
  • 智能仪表
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