General Description

The MAX907/MAX908/MAX909 dual, quad, and single high-speed, ultra low-power voltage comparators are designed for use in systems powered from a single +5V supply; the MAX909 also accepts dual ±5V supplies. Their 40ns propagation delay (with 5mV input overdrive) is achieved with a power consumption of only 3.5mW per comparator. The wide input common-mode range extends from 200mV below ground (below the negative supply rail for the MAX909) to within 1.5V of the positive supply rail.

Features

♦ 40ns Propagation Delay

♦ 700µA (3.5mW) Supply Current per Comparator

♦ Single 4.5V to 5.5V Supply Operation

    (or ±5V, MAX909 only)

♦ Wide Input Range Includes Ground

    (or -5V, MAX909 only)

♦ Low, 500µV Offset Voltage

♦ Internal Hysteresis Provides Clean Switching

♦ TTL-Compatible Outputs

    (Complementary on MAX909)

♦ Input and Output Short-Circuit Protection

♦ Internal Latch (MAX909 only)

Applications

    Battery-Powered Systems

    High-Speed A/D Converters

    High-Speed V/F Converters

    Line Receivers

    Threshold Detectors/Discriminators

    High-Speed Sampling Circuits

    Zero Crossing Detectors