MAX8212 - 微处理器电压监测器，可编程检测电压

MAX8212是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX8212是微处理器电压监测器，可编程检测电压，本站介绍了MAX8212的封装应用图解、特点和优点、功能等，并给出了与MAX8212相关的Maxim元器件型号供参考。

MAX8212 - 微处理器电压监测器，可编程检测电压 - 监控电路、电压监测、排序 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

Maxim's MAX8211 and MAX8212 are CMOS micropower voltage detectors that warn microprocessors (µPs) of power failures. Each contains a comparator, a 1.5V bandgap reference, and an open-drain n-channel output driver. Two external resistors are used in conjunction with the internal reference to set the trip voltage to the desired level. A hysteresis output is also included, allowing the user to apply positive feedback for noise-free output switching.

The MAX8211 provides a 7mA current-limited output sink whenever the voltage applied to the threshold pin is less than the 1.5V internal reference. In the MAX8212, a voltage greater than 1.5V at the threshold pin turns the output stage on (no current limit).

The CMOS MAX8211/MAX8212 are plug-in replacements for the bipolar ICL8211/ICL8212 in applications where the maximum supply voltage is less than 16.5V. They offer several performance advantages, including reduced supply current, a more tightly controlled bandgap reference, and more available current from the hysteresis output.

关键特性

以下关键特性由Maxim美信半导体提供：

µP Power-Fail Warning

Improved 2nd Source for ICL8211/ICL8212

Low-Power CMOS Design

5µA Quiescent Current

On-Board Hysteresis Output

±40mV Threshold Accuracy (±3.5%)

2.0V to 16.5V Supply-Voltage Range

Define Output Current Limit (MAX8211)

High Output Current Capability (MAX8212)

热门应用

µP电压监视

备用电池切换

低电池检测

过压检测

电源故障监视

欠压检测

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