LM324QT

{
  "slug": "lm324qt",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Operational Amplifier, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm324qt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm324qt.kicad_sym",
    "lm324qt.kicad_mod",
    "lm324qt.glb",
    "lm324qt.step",
    "lm324qt.lbr",
    "docs/hero.png",
    "docs/lm324qt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "LM324QT",
    "manufacturer": "STMicroelectronics",
    "package": "VQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881696217575424",
    "parts": {
      "symbol": "lm324qt.kicad_sym",
      "footprint": "lm324qt.kicad_mod",
      "model_3d": "lm324qt-etched.glb",
      "model_3d_plain": "lm324qt.glb",
      "model_3d_step": "lm324qt-etched.step",
      "model_3d_step_plain": "lm324qt.step",
      "lbr": "lm324qt.lbr"
    },
    "distributor_links": {
      "lcsc": "C183029",
      "digikey": "497-12005-2-ND",
      "mouser": "511-LM324QT"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T19:55:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-12005-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-LM324QT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting input of amplifier 1; common-mode range (VCC\u2212)\u22120.1 V to (VCC+)\u22121 V, input bias current 20 nA typ."
      },
      {
        "number": "2",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive supply rail; single supply 3 V to 30 V, dual \u00b11.5 V to \u00b115 V; absolute maximum 32 V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting input of amplifier 2; common-mode range (VCC\u2212)\u22120.1 V to (VCC+)\u22121 V, input bias current 20 nA typ."
      },
      {
        "number": "5",
        "name": "IN2-",
        "type": "input",
        "description": "Inverting input of amplifier 2; input offset voltage max 7 mV (LM324), offset current max 20 nA at 25 \u00b0C."
      },
      {
        "number": "6",
        "name": "OUT2",
        "type": "output",
        "description": "Output of amplifier 2; VOH min 3.5 V at VCC+=5 V, RL=2 k\u03a9; output source current 20 mA typ, sink 10 mA typ at Vo=2 V."
      },
      {
        "number": "7",
        "name": "OUT3",
        "type": "output",
        "description": "Output of amplifier 3; VOH min 3.5 V at VCC+=5 V, RL=2 k\u03a9; output source current 20 mA typ, sink 10 mA typ at Vo=2 V."
      },
      {
        "number": "8",
        "name": "IN3-",
        "type": "input",
        "description": "Inverting input of amplifier 3; input offset voltage max 7 mV (LM324), offset current max 20 nA at 25 \u00b0C."
      },
      {
        "number": "9",
        "name": "IN3+",
        "type": "input",
        "description": "Non-inverting input of amplifier 3; common-mode range (VCC\u2212)\u22120.1 V to (VCC+)\u22121 V, input bias current 20 nA typ."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "11",
        "name": "VCC-",
        "type": "power_in",
        "description": "Negative supply rail / ground reference; dual supply down to \u221215 V; connect to ground for single-supply operation."
      },
      {
        "number": "12",
        "name": "IN4+",
        "type": "input",
        "description": "Non-inverting input of amplifier 4; common-mode range (VCC\u2212)\u22120.1 V to (VCC+)\u22121 V, input bias current 20 nA typ."
      },
      {
        "number": "13",
        "name": "IN4-",
        "type": "input",
        "description": "Inverting input of amplifier 4; input offset voltage max 7 mV (LM324), offset current max 20 nA at 25 \u00b0C."
      },
      {
        "number": "14",
        "name": "OUT4",
        "type": "output",
        "description": "Output of amplifier 4; VOH min 3.5 V at VCC+=5 V, RL=2 k\u03a9; output source current 20 mA typ, sink 10 mA typ at Vo=2 V."
      },
      {
        "number": "15",
        "name": "OUT1",
        "type": "output",
        "description": "Output of amplifier 1; VOH min 3.5 V at VCC+=5 V, RL=2 k\u03a9; output source current 20 mA typ, sink 10 mA typ at Vo=2 V."
      },
      {
        "number": "16",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting input of amplifier 1; input offset voltage max 7 mV (LM324), offset current max 20 nA at 25 \u00b0C."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed thermal pad; datasheet states it can be connected to VCC\u2212 or left floating; Rthja 45 \u00b0C/W, Rthjc 14 \u00b0C/W for QFN16 3x3."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-sonnet-4-6",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-4-7",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not print an explicit pad number for the exposed pad. Number '17' is assigned by ; Pins 3 and 10 are labelled NC in the QFN16 3x3 top-view diagram. The datasheet does not state whethe",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 21,
        "cost_usd": 0.4614,
        "at": "2026-09-26T19:54:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881696217575424",
        "pages": 21,
        "sha256": "7d935f64f066d5e4",
        "source_tier": "lcsc"
      },
      "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"
    }
  }
}