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Contents

README

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LM339ADR

Texas Instruments · Comparators · SOIC-14

LM339ADR 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 OUT1 tri_state Open-drain output of comparator 2, max VOL 400 mV @ IOL 4 mA, max sink current 16 mA
2 OUT2 tri_state Open-drain output of comparator 1, max VOL 400 mV @ IOL 4 mA, max sink current 16 mA
3 VCC power_in Positive supply voltage, operating range 2 to 30 V
4 IN2- input Negative input of comparator 1, common-mode voltage range 0 to VCC - 2 V over temperature
5 IN2+ input Positive input of comparator 1, common-mode voltage range 0 to VCC - 2 V over temperature
6 IN1- input Negative input of comparator 2, common-mode voltage range 0 to VCC - 2 V over temperature
7 IN1+ input Positive input of comparator 2, common-mode voltage range 0 to VCC - 2 V over temperature
8 IN3- input Negative input of comparator 3, common-mode voltage range 0 to VCC - 2 V over temperature
9 IN3+ input Positive input of comparator 3, common-mode voltage range 0 to VCC - 2 V over temperature
10 IN4- input Negative input of comparator 4, common-mode voltage range 0 to VCC - 2 V over temperature
11 IN4+ input Positive input of comparator 4, common-mode voltage range 0 to VCC - 2 V over temperature
12 GND power_in Ground, negative supply connection
13 OUT4 tri_state Open-drain output of comparator 4, max VOL 400 mV @ IOL 4 mA, max sink current 16 mA
14 OUT3 tri_state Open-drain output of comparator 3, max VOL 400 mV @ IOL 4 mA, max sink current 16 mA

Key specifications

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

CAD (KiCad official)

  • Symbol: LM339ADR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: lm339adr-etched.step / lm339adr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm339adr.step / lm339adr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (53 pp, sha256 b8b91e2b545800b8, retrieved 2026-09-22, tier: manufacturer)
  • 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