MAX998

PRODUCTION

Single/Dual/Quad, SOT23, Single-Supply, High-Speed, Low-Power Comparators

Data Sheet (Rev. 4) Product Selection Table
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Overview

  • Single-Supply Operation Down to 2.7V
  • 20ns Propagation Delay
  • 225µA Supply Current
  • 1nA Shutdown Supply Current
  • Rail-to-Rail Outputs
  • Ground-Sensing Inputs
  • Internal Hysteresis Ensures Clean Switching
  • Available in Space-Saving Packages
    • SOT23 (MAX998)
    • µMAX (MAX976)
    • QSOP (MAX978)

The MAX976/MAX978/MAX998 dual/quad/single, high-speed, low-power comparators are optimized for +3V/+5V single-supply applications. They achieve a 20ns propagation delay while consuming only 225µA supply current per comparator. The MAX998 features a low-power shutdown mode that places the output in a high-impedance state and reduces supply current to 1nA.

The MAX976/MAX978/MAX998 inputs have a common-mode voltage range that extends 200mV below ground. Their outputs are capable of rail-to-rail operation without external pullup circuitry, making these devices ideal for interface with CMOS/TTL logic. All inputs and outputs can tolerate a continuous short-circuit fault condition to either rail. The comparators' internal hysteresis ensures clean output switching, even with slow-moving input signals.

For space-critical applications, the single MAX998 is available in a 6-pin SOT23 package, the dual MAX976 is available in an 8-pin µMAX® package, and the quad MAX978 is available in a 16-pin QSOP package.

Applications

  • 3V Systems
  • Battery-Powered Applications
  • Digital-Line Receivers
  • IR Receivers
  • Threshold Detectors/Discriminators
MAX998
Single/Dual/Quad, SOT23, Single-Supply, High-Speed, Low-Power Comparators
MAX976, MAX978, MAX998: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Technical Articles 2

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