MAX933 - 超低功耗、低成本比较器、内置2%电压基准

MAX933是Maxim美信半导体公司的一款放大器产品，MAX933是超低功耗、低成本比较器、内置2%电压基准，本站介绍了MAX933的封装应用图解、特点和优点、功能等，并给出了与MAX933相关的Maxim元器件型号供参考。

MAX933 - 超低功耗、低成本比较器、内置2%电压基准 - 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 MAX931–MAX934 single, dual, and quad micropower, low-voltage comparators plus an on-board 2% accurate reference feature the lowest power consumption available. These comparators draw less than 4µA supply current over temperature (MAX931), and include an internal 1.182V ±2% voltage reference, programmable hysteresis, and TTL/CMOS outputs that sink and source current.

Ideal for 3V or 5V single-supply applications, the MAX931–MAX934 operate from a single +2.5V to +11V supply (or a ±1.25V to ±5V dual supply), and each comparator's input voltage range extends from the negative supply rail to within 1.3V of the positive supply.

The MAX931–MAX934's unique output stage continuously sources as much as 40mA. And by eliminating power-supply glitches that commonly occur when comparators change logic states, the MAX931–MAX934 minimize parasitic feedback, making them easier to use.

The single MAX931 and dual MAX932/MAX933 provide a unique and simple method for adding hysteresis without feedback and complicated equations, using the HYST pin and two resistors.

For applications that require increased precision with similar power requirements, see the MAX921–MAX924 data sheet. These devices include a 1% precision reference.

关键特性

以下关键特性由Maxim美信半导体提供：

Ultra-Low 4µA Max Quiescent Current over Extended Temp. Range (MAX931)

Power Supplies:

Single +2.5V to +11V

Dual ±1.25V to ±5.5V

Input Voltage Range Includes Negative Supply

Internal 1.182V ±2% Bandgap Reference

Adjustable Hysteresis

TTL-/CMOS-Compatible Outputs

12µs Propagation Delay (10mV Overdrive)

No Switching Crowbar Current

40mA Continuous Source Current

Available in Space-Saving µMAX® Package

热门应用

报警电路

电池供电应用

振荡器电路

门限检测器

窗比较器

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