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LM339A - Quad Comparator

Download the LM339A datasheet PDF. This datasheet also covers the LM339 variant, as both devices belong to the same quad comparator family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM339/LM339A ,LM239A, LM2901 consist of four independent voltage comparators designed to operate from single power supply over a wide voltage range.

Key Features

  • Single or Dual Supply Operation.
  • Wide Range of Supply Voltage LM2901, LM339/LM339A, LM239A: 2 ~ 36V (or ±1 ~ ±18V).
  • Low Supply Current Drain 800μA Typ.
  • Open Collector Outputs for Wired and Connectors.
  • Low Input Bias Current 25nA Typ.
  • Low Input Offset Current ±2.3nA Typ.
  • Low Input Offset Voltage ±1.4mV Typ.
  • Input Common Mode Voltage Range Includes Ground.
  • Low Output Saturation Voltage.
  • Output Compatibl.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM339-FairchildSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM339A Quad voltage comparator NXP
LM339A Voltage Comparators National Semiconductor
LM339A Quad Differential Comparators Texas Instruments
LM339A Low Power Low Offset Voltage Quad Comparator TAITRON
LM339A 36V Low Power Comparators 3PEAK

Other Datasheets by Fairchild (now onsemi)

Part Number Description
LM339 Quad Comparator
LM3302M Quad Comparator
LM3302N Quad Comparator
LM331 V-F Converter
LM331N V-F Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.fairchildsemi.com LM339/LM339A, LM239A, LM2901 Quad Comparator Features • Single or Dual Supply Operation • Wide Range of Supply Voltage LM2901, LM339/LM339A, LM239A: 2 ~ 36V (or ±1 ~ ±18V) • Low Supply Current Drain 800μA Typ. • Open Collector Outputs for Wired and Connectors • Low Input Bias Current 25nA Typ. • Low Input Offset Current ±2.3nA Typ. • Low Input Offset Voltage ±1.4mV Typ. • Input Common Mode Voltage Range Includes Ground. • Low Output Saturation Voltage • Output Compatible With TTL, DTL and MOS Logic System Description The LM339/LM339A ,LM239A, LM2901 consist of four independent voltage comparators designed to operate from single power supply over a wide voltage range.