component
LM339ADT
Public Made by Adomby adom
STMicroelectronics Comparators, SOIC-14. Pinout reviewed by a person 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
markdownLM339ADT
STMicroelectronics · Comparators · SOIC-14
LM339ADT from STMicroelectronics, 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 | Inverting input1 | input | Inverting input terminal for first voltage comparator; input common-mode range 0 to VCC+ -1.5 V. |
| 2 | Non-inverting input2 | input | Non-inverting input terminal for second voltage comparator; input common-mode range 0 to VCC+ -1.5 V. |
| 3 | Inverting input3 | input | Inverting input terminal for third voltage comparator; input common-mode range 0 to VCC+ -1.5 V. |
| 4 | Output2 | output | TTL/CMOS-compatible open-collector output of second voltage comparator; maximum output sink current 20 mA. |
| 5 | Output4 | output | TTL/CMOS-compatible open-collector output of fourth voltage comparator; maximum output sink current 20 mA. |
| 6 | Output3 | output | TTL/CMOS-compatible open-collector output of third voltage comparator; maximum output sink current 20 mA. |
| 7 | Non-inverting input4 | input | Non-inverting input terminal for fourth voltage comparator; input common-mode range 0 to VCC+ -1.5 V. |
| 8 | VCC- | power_in | Ground or negative supply pin; connect to ground or negative supply voltage. |
| 9 | Non-inverting input3 | input | Non-inverting input terminal for third voltage comparator; input common-mode range 0 to VCC+ -1.5 V. |
| 10 | Inverting input4 | input | Inverting input terminal for fourth voltage comparator; input common-mode range 0 to VCC+ -1.5 V. |
| 11 | VCC+ | power_in | Positive supply pin; operating range +2 to +36 V (or ±1 to ±18 V for dual supply operation). |
| 12 | Inverting input2 | input | Inverting input terminal for second voltage comparator; input common-mode range 0 to VCC+ -1.5 V. |
| 13 | Output1 | output | TTL/CMOS-compatible open-collector output of first voltage comparator; maximum output sink current 20 mA. |
| 14 | Non-inverting input1 | input | Non-inverting input terminal for first voltage comparator; input common-mode range 0 to VCC+ -1.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SOIC-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
LM339ADT - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
lm339adt-etched.step/lm339adt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm339adt.step/lm339adt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (19 pp, sha256
5adc47258717f516, retrieved 2026-09-29, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).