component
LM324ADT
Public Made by Adomby adom
STMicroelectronics Operational Amplifier, SOIC-14. Pinout cross-checked by two models against the datasheet, 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
markdownLM324ADT
STMicroelectronics · Operational Amplifier · SOIC-14
LM324ADT 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 | OUT1 | output | Output of amplifier 1; sources 20-70 mA (typ 40 mA) and sinks 10-50 mA; VOH up to 28 V (VCC = 30 V, RL = 10 kΩ), VOL ≤ 20 mV (RL = 10 kΩ). |
| 2 | IN1- | input | Inverting input of amplifier 1; input bias current 20 nA typ / 100 nA max, input offset current 2 nA typ / 20 nA max, common-mode range (VCC−) − 0.1 V to (VCC+) − 1 V. |
| 3 | IN1+ | input | Non-inverting input of amplifier 1; input bias current 20 nA typ / 100 nA max, common-mode range (VCC−) − 0.1 V to (VCC+) − 1 V. |
| 4 | VCC+ | power_in | Positive power supply; single supply 3 V to 30 V or dual supply +1.5 V to +15 V; absolute maximum 32 V (or ±16 V dual); total supply current 0.7 mA typ / 1.2 mA max at VCC = 5 V (all four amplifiers, no load). |
| 5 | IN2+ | input | Non-inverting input of amplifier 2; input bias current 20 nA typ / 100 nA max, common-mode range (VCC−) − 0.1 V to (VCC+) − 1 V. |
| 6 | IN2- | input | Inverting input of amplifier 2; input bias current 20 nA typ / 100 nA max, input offset current 2 nA typ / 20 nA max, common-mode range (VCC−) − 0.1 V to (VCC+) − 1 V. |
| 7 | OUT2 | output | Output of amplifier 2; sources 20-70 mA (typ 40 mA) and sinks 10-50 mA; VOH up to 28 V (VCC = 30 V, RL = 10 kΩ), VOL ≤ 20 mV (RL = 10 kΩ). |
| 8 | OUT3 | output | Output of amplifier 3; sources 20-70 mA (typ 40 mA) and sinks 10-50 mA; VOH up to 28 V (VCC = 30 V, RL = 10 kΩ), VOL ≤ 20 mV (RL = 10 kΩ). |
| 9 | IN3- | input | Inverting input of amplifier 3; input bias current 20 nA typ / 100 nA max, input offset current 2 nA typ / 20 nA max, common-mode range (VCC−) − 0.1 V to (VCC+) − 1 V. |
| 10 | IN3+ | input | Non-inverting input of amplifier 3; input bias current 20 nA typ / 100 nA max, common-mode range (VCC−) − 0.1 V to (VCC+) − 1 V. |
| 11 | VCC- | power_in | Negative power supply or ground reference; 0 V (single supply) or −1.5 V to −15 V (dual supply); absolute maximum −16 V. |
| 12 | IN4+ | input | Non-inverting input of amplifier 4; input bias current 20 nA typ / 100 nA max, common-mode range (VCC−) − 0.1 V to (VCC+) − 1 V. |
| 13 | IN4- | input | Inverting input of amplifier 4; input bias current 20 nA typ / 100 nA max, input offset current 2 nA typ / 20 nA max, common-mode range (VCC−) − 0.1 V to (VCC+) − 1 V. |
| 14 | OUT4 | output | Output of amplifier 4; sources 20-70 mA (typ 40 mA) and sinks 10-50 mA; VOH up to 28 V (VCC = 30 V, RL = 10 kΩ), VOL ≤ 20 mV (RL = 10 kΩ). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SOIC-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
LM324ADT - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
lm324adt-etched.step/lm324adt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm324adt.step/lm324adt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (21 pp, sha256
7d935f64f066d5e4, retrieved 2026-09-24, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-sonnet-4-6(text+vision), consensusclaude-opus-4-7(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).