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LM339MX

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Texas Instruments Comparators, SOIC-14. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Datasheet

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Contents

README

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LM339MX

Texas Instruments · Comparators · SOIC-14

LM339MX from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OUTPUT2 output Open-collector output for comparator 2, maximum sink current 16 mA.
2 OUTPUT1 output Open-collector output for comparator 1, maximum sink current 16 mA.
3 V+ power_in Positive supply voltage, 2 to 36 VDC.
4 INPUT1- input Inverting input for comparator 1, common-mode input range 0V to V+−1.5V.
5 INPUT1+ input Noninverting input for comparator 1, common-mode input range 0V to V+−1.5V.
6 INPUT2- input Inverting input for comparator 2, common-mode input range 0V to V+−1.5V.
7 INPUT2+ input Noninverting input for comparator 2, common-mode input range 0V to V+−1.5V.
8 INPUT3- input Inverting input for comparator 3, common-mode input range 0V to V+−1.5V.
9 INPUT3+ input Noninverting input for comparator 3, common-mode input range 0V to V+−1.5V.
10 INPUT4- input Inverting input for comparator 4, common-mode input range 0V to V+−1.5V.
11 INPUT4+ input Noninverting input for comparator 4, common-mode input range 0V to V+−1.5V.
12 GND power_in Ground reference.
13 OUTPUT4 output Open-collector output for comparator 4, maximum sink current 16 mA.
14 OUTPUT3 output Open-collector output for comparator 3, maximum sink current 16 mA.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Amplifiers/Comparators
Pins 14

CAD (KiCad official)

  • Symbol: LM339MX
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: lm339mx-etched.step / lm339mx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm339mx.step / lm339mx.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 34bad127017f9658, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF