component
LM339AMX
Public Made by Adomby adom
Texas Instruments Comparators, SOIC-14. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownLM339AMX
Texas Instruments · Comparators · SOIC-14
LM339AMX 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 Channel 2 comparator, can sink up to 16 mA with saturation voltage of 250-400 mV |
| 2 | OUTPUT1 | output | Open-collector output for Channel 1 comparator, can sink up to 16 mA with saturation voltage of 250-400 mV |
| 3 | V+ | power_in | Positive supply voltage, 2 to 36 VDC for single supply or +1 to +18 VDC for dual supply |
| 4 | INPUT1- | input | Inverting input of Channel 1 comparator, operating input common-mode voltage range 0 to V+ - 1.5 VDC |
| 5 | INPUT1+ | input | Noninverting input of Channel 1 comparator, operating input common-mode voltage range 0 to V+ - 1.5 VDC |
| 6 | INPUT2- | input | Inverting input of Channel 2 comparator, operating input common-mode voltage range 0 to V+ - 1.5 VDC |
| 7 | INPUT2+ | input | Noninverting input of Channel 2 comparator, operating input common-mode voltage range 0 to V+ - 1.5 VDC |
| 8 | INPUT3- | input | Inverting input of Channel 3 comparator, operating input common-mode voltage range 0 to V+ - 1.5 VDC |
| 9 | INPUT3+ | input | Noninverting input of Channel 3 comparator, operating input common-mode voltage range 0 to V+ - 1.5 VDC |
| 10 | INPUT4- | input | Inverting input of Channel 4 comparator, operating input common-mode voltage range 0 to V+ - 1.5 VDC |
| 11 | INPUT4+ | input | Noninverting input of Channel 4 comparator, operating input common-mode voltage range 0 to V+ - 1.5 VDC |
| 12 | GND | power_in | Ground, negative supply reference and signal return |
| 13 | OUTPUT4 | output | Open-collector output for Channel 4 comparator, can sink up to 16 mA with saturation voltage of 250-400 mV |
| 14 | OUTPUT3 | output | Open-collector output for Channel 3 comparator, can sink up to 16 mA with saturation voltage of 250-400 mV |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
LM339AMX - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
lm339amx-etched.step/lm339amx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm339amx.step/lm339amx.glbare 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).