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Contents

README

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LM224KADR

Texas Instruments · Operational Amplifier · SOIC-14

LM224KADR 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 1OUT output Output terminal of operational amplifier 1.
2 1IN- input Inverting input terminal of operational amplifier 1.
3 1IN+ input Non-inverting input terminal of operational amplifier 1.
4 VCC+ power_in Positive power supply voltage, 3V to 30V per operating conditions.
5 2IN+ input Non-inverting input terminal of operational amplifier 2.
6 2IN- input Inverting input terminal of operational amplifier 2.
7 2OUT output Output terminal of operational amplifier 2.
8 3OUT output Output terminal of operational amplifier 3.
9 3IN- input Inverting input terminal of operational amplifier 3.
10 3IN+ input Non-inverting input terminal of operational amplifier 3.
11 VCC- power_in Negative power supply or ground reference for single-supply operation.
12 4IN+ input Non-inverting input terminal of operational amplifier 4.
13 4IN- input Inverting input terminal of operational amplifier 4.
14 4OUT output Output terminal of operational amplifier 4.

Key specifications

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

CAD (KiCad official)

  • Symbol: LM224KADR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: lm224kadr-etched.step / lm224kadr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm224kadr.step / lm224kadr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (65 pp, sha256 951c040c50b5a856, retrieved 2026-09-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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