component
LM339AM
Public Made by Adomby adom
Texas Instruments Comparators, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLM339AM
Texas Instruments · Comparators · SOIC-14
LM339AM from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUTPUT2 | output | Comparator output for channel 2, compatible with TTL/CMOS logic. |
| 2 | OUTPUT1 | output | Comparator output for channel 1, compatible with TTL/CMOS logic. |
| 3 | V+ | power_in | Positive power supply voltage, 2 to 36 VDC for LM339. |
| 4 | INPUT1- | input | Inverting (negative) input terminal for channel 1 comparator. |
| 5 | INPUT1+ | input | Noninverting (positive) input terminal for channel 1 comparator, common-mode voltage range includes ground. |
| 6 | INPUT2- | input | Inverting (negative) input terminal for channel 2 comparator. |
| 7 | INPUT2+ | input | Noninverting (positive) input terminal for channel 2 comparator, common-mode voltage range includes ground. |
| 8 | INPUT3- | input | Inverting (negative) input terminal for channel 3 comparator. |
| 9 | INPUT3+ | input | Noninverting (positive) input terminal for channel 3 comparator, common-mode voltage range includes ground. |
| 10 | INPUT4- | input | Inverting (negative) input terminal for channel 4 comparator. |
| 11 | INPUT4+ | input | Noninverting (positive) input terminal for channel 4 comparator, common-mode voltage range includes ground. |
| 12 | GND | power_in | Ground connection, negative power supply or reference. |
| 13 | OUTPUT4 | output | Comparator output for channel 4, compatible with TTL/CMOS logic. |
| 14 | OUTPUT3 | output | Comparator output for channel 3, compatible with TTL/CMOS logic. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
LM339AM - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
lm339am-etched.step/lm339am-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm339am.step/lm339am.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 2026-10-05, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5-5(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).