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LP339 - Ultra-Low Power Quad Comparator

General Description

The LP339 consists of four independent voltage comparators designed specifically to operate from a single power supply and draw typically 60 µA of power supply drain current over a wide range of power supply voltages.

Key Features

  • n Ultra-low power supply current drain (60 µA).
  • independent of the supply voltage (75 µW/comparator at +5 VDC) n Low input biasing current: 3 nA n Low input offset current: ±0.5 nA n Low input offset voltage: ±2 mV n Input common-mode voltage includes ground n Output voltage compatible with MOS and CMOS logic n High output sink current capability (30 mA at VO=2 VDC) n Supply Input protected against reverse voltages Schematic and Connection Diagrams DS005226-1 Typical.

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LP339 Ultra-Low Power Quad Comparator August 2000 LP339 Ultra-Low Power Quad Comparator General Description The LP339 consists of four independent voltage comparators designed specifically to operate from a single power supply and draw typically 60 µA of power supply drain current over a wide range of power supply voltages. Operation from split supplies is also possible and the ultra-low power supply drain current is independent of the power supply voltage. These comparators also feature a common-mode range which includes ground, even when operated from a single supply. Applications include limit comparators, simple analog-to-digital converters, pulse, square and time delay generators; VCO’s; multivibrators; high voltage logic gates.