MAX971 - 超低功耗、漏极开路输出、单/双电源比较器

MAX971是Maxim美信半导体公司的一款放大器产品，MAX971是超低功耗、漏极开路输出、单/双电源比较器，本站介绍了MAX971的封装应用图解、特点和优点、功能等，并给出了与MAX971相关的Maxim元器件型号供参考。

MAX971 - 超低功耗、漏极开路输出、单/双电源比较器 - 放大器 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX971–MAX974 and MAX981–MAX984 single/dual/quad low-voltage comparators feature the lowest power consumption available. These micropower devices draw less than 4µA supply current over temperature (MAX971/MAX972/MAX981/MAX982), and include an internal 1.182V ±1% (MAX971/MAX973/MAX974) or ±2% (MAX981–MAX984) voltage reference and programmable hysteresis.

Ideal for 3V or 5V single-supply applications, these devices operate from a single 2.5V to 11V supply (or ±1.25V to ±5.5V dual supplies), and each comparator's input voltage ranges from the negative supply rail to within 1.3V of the positive supply.

The single MAX971/MAX981 and the dual MAX973/ MAX982/MAX983 provide a unique, simple method for adding hysteresis without feedback or complicated equations, simply by using the HYST pin plus two resistors.

The MAX971–MAX974 and MAX981–MAX984's open-drain outputs permit wire-ORed configurations. Thanks to an 11V output range and separate GND pin for the output transistor (MAX971/MAX974, MAX981/MAX984), these devices are ideal for level translators and bipolar to single-ended converters. For similar devices with complementary output stages, see the MAX921-MAX924 (1% reference) and the MAX931–MAX934 (2% reference).

关键特性

以下关键特性由Maxim美信半导体提供：

Available in Ultra-Small Packages:

UCSP™ (MAX972)

µMAX® (MAX9_1/MAX9_2/MAX9_3)

Ultra-Low Quiescent Current (4µA, max) Over Extended Temp Range (MAX971/MAX981)

Power Supplies:

Single 2.5V to 11V

Dual ±1.25V to ±5.5V

Input Voltage Range Includes Negative Supply

Internal Bandgap Reference

1.182V ±1% (MAX97_)

1.182V ±2% (MAX98_)

12µs Propagation Delay (10mV Overdrive)

Output Has Separate GND Pin (MAX9_1/MAX9_4)

热门应用

电池供电系统

电平转换器

振荡器电路

门限检测器

窗比较器

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