General Description

The MAX9647/MAX9648 comparators are drop-in, pin-for-pin compatible replacements for the LMX331/LMX331H. The MAX9648 has the added benefit of internal hysteresis to provide noise immunity, preventing output oscillations even with slow moving input signals.

Features

♦ Guaranteed +1.8V to +5.5V Performance

♦ -40NC to +125NC Automotive Temperature Range

♦ Low Supply Current (60µA/Channel at

   VDD = +5.0V)

♦ Input Common-Mode Voltage Range Includes

   Ground

♦ No Phase Reversal for Overdriven Inputs

♦ Low Output Saturation Voltage (120mV)

♦ Internal 2mV Hysteresis (MAX9648)

♦ 5-Pin SC70 Space-Saving Package

   (2.0mm x 2.1mm x 1.0mm)

Applications

   Mobile Communications

   Notebooks and PDAs

   Battery-Powered Electronics

   General-Purpose Portable Devices

   General-Purpose Low-Voltage Applications