MAX999AAUK+T

General Description

The MAX961–MAX964/MAX997/MAX999 are low-power, ultra-high-speed comparators with internal hysteresis. These devices are optimized for single +3V or +5V operation. The input common-mode range extends 100mV Beyond-theRails™, and the outputs can sink or source 4mA to within 0.52V of GND and VCC. Propagation delay is 4.5ns (5mV overdrive), while supply current is 5mA per comparator. 

The MAX961/MAX963/MAX964 and MAX997 have a shutdown mode in which they consume only 270μA supply current per comparator. The MAX961/MAX963 provide complementary outputs and a latch-enable feature. Latch enable allows the user to hold a valid comparator output. The MAX999 is available in a tiny 5-pin SOT23 package. The single MAX961/MAX997 and dual MAX962

are available in space-saving 8-pin μMAX® packages.

Applications

● Single 3V/5V Systems 

● Portable/Battery-Powered Systems 

● Threshold Detectors/Discriminators 

● GPS Receivers 

● Line Receivers 

● Zero-Crossing Detectors 

● High-Speed Sampling Circuits

Features

● Ultra-Fast, 4.5ns Propagation Delay 

● Ideal for +3V and +5V Single-Supply Applications 

● Beyond-the-Rails Input Voltage Range 

● Low, 5mA Supply Current (MAX997/MAX999) 

● 3.5mV Internal Hysteresis for Clean Switching 

● Output Latch (MAX961/MAX963) 

● TTL/CMOS-Compatible Outputs 

● Shutdown Mode (MAX961/MAX963/MAX964/MAX997) 

● Available in Space-Saving Packages: 

  • 5-Pin SOT23 (MAX999) 

  • 8-Pin μMAX (MAX961/MAX962/MAX997) 

  • 16-Pin QSOP (MAX964)

Ordering Information

Selector Guide

Pin Configurations

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