LM224QT

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm224qt",
  "title": "LM224QT",
  "brief": "STMicroelectronics Operational Amplifier, TQFN-16-EP(3x3). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm224qt"
  ],
  "component": {
    "mpn": "LM224QT",
    "manufacturer": "STMicroelectronics",
    "package": "TQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.st.com/resource/en/datasheet/lm224qt.pdf",
    "parts": {
      "symbol": "lm224qt.kicad_sym",
      "footprint": "lm224qt.kicad_mod",
      "model_3d": "lm224qt-etched.glb",
      "model_3d_plain": "lm224qt.glb",
      "model_3d_step": "lm224qt-etched.step",
      "model_3d_step_plain": "lm224qt.step",
      "lbr": "lm224qt.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting input of op-amp 1. Common-mode input voltage range extends from ground (VCC-) up to VCC+ − 1.5 V at 25 °C."
      },
      {
        "number": "2",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive supply rail. Single supply: 3 V to 30 V referenced to VCC-; dual supply: +1.5 V to +15 V referenced to ground. Absolute maximum supply is ±16 V or 32 V total."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a static net."
      },
      {
        "number": "4",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting input of op-amp 2. Input bias current typ. 20 nA, input offset current typ. 2 nA."
      },
      {
        "number": "5",
        "name": "IN2-",
        "type": "input",
        "description": "Inverting input of op-amp 2. Input offset voltage 5 mV max (LM224)."
      },
      {
        "number": "6",
        "name": "OUT2",
        "type": "output",
        "description": "Output of op-amp 2. Internally frequency-compensated; output short-circuit current typ. 40 mA; output short-circuit to ground is safe indefinitely for VCC ≤ 15 V."
      },
      {
        "number": "7",
        "name": "OUT3",
        "type": "output",
        "description": "Output of op-amp 3. Internally frequency-compensated; large voltage gain typ. 100 dB."
      },
      {
        "number": "8",
        "name": "IN3-",
        "type": "input",
        "description": "Inverting input of op-amp 3."
      },
      {
        "number": "9",
        "name": "IN3+",
        "type": "input",
        "description": "Non-inverting input of op-amp 3. Common-mode input voltage range 0 V to VCC-1.5 V @ 25 °C."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a static net."
      },
      {
        "number": "11",
        "name": "VCC-",
        "type": "power_in",
        "description": "Negative supply / ground. In single-supply operation this pin is tied to system ground; in split-supply operation it is the negative rail (down to -15 V). Absolute maximum ±16 V."
      },
      {
        "number": "12",
        "name": "IN4+",
        "type": "input",
        "description": "Non-inverting input of op-amp 4."
      },
      {
        "number": "13",
        "name": "IN4-",
        "type": "input",
        "description": "Inverting input of op-amp 4."
      },
      {
        "number": "14",
        "name": "OUT4",
        "type": "output",
        "description": "Output of op-amp 4. Internally frequency-compensated; output short-circuit protected."
      },
      {
        "number": "15",
        "name": "OUT1",
        "type": "output",
        "description": "Output of op-amp 1. Internally frequency-compensated."
      },
      {
        "number": "16",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting input of op-amp 1."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed thermal pad on package underside. Per Figure 1 note 1, may be connected to VCC- or left floating. Connecting to VCC- improves thermal performance (QFN16 3x3 Rth(j-a) = 45 °C/W)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/lm224qt.pdf",
        "pages": 22,
        "sha256": "c1aa97669d6ca9c8",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm224qt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm224qt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e6e0053f302907ad75c6c61acd94ae1fd04801c80f6d5de88be15415f19b6c6e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TQFN-16-EP(3x3)",
      "Category": "Op-amp/Cmp",
      "Pins": "17"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm224qt"
  ],
  "discovery_pitch": "LM224QT (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm224qt.kicad_sym",
    "lm224qt.kicad_mod",
    "lm224qt.glb",
    "lm224qt.step",
    "lm224qt-etched.step",
    "lm224qt.lbr",
    "docs/hero.png",
    "docs/lm224qt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM224QT",
      "kind": "packaging"
    },
    {
      "mpn": "LM224DT",
      "kind": "unknown"
    },
    {
      "mpn": "LM224ADT",
      "kind": "unknown"
    },
    {
      "mpn": "LM224WDT",
      "kind": "unknown"
    },
    {
      "mpn": "LM224PT",
      "kind": "unknown"
    },
    {
      "mpn": "LM224APT",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T00:05:47.719Z"
}