CA3140AN

{
  "slug": "ca3140an",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Operational Amplifier, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ca3140an",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ca3140an.kicad_sym",
    "ca3140an.kicad_mod",
    "ca3140an.glb",
    "ca3140an.step",
    "ca3140an.lbr",
    "docs/hero.png",
    "docs/ca3140an-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ca3140an-hero.glb",
    "ca3140an-hero.overlay.json",
    "ca3140an-etched.glb"
  ],
  "component": {
    "mpn": "CA3140AN",
    "manufacturer": "HGSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757815011471572992",
    "parts": {
      "symbol": "ca3140an.kicad_sym",
      "footprint": "ca3140an.kicad_mod",
      "model_3d": "ca3140an-hero.glb",
      "model_3d_plain": "ca3140an-etched.glb",
      "model_3d_step": "ca3140an-etched.step",
      "model_3d_step_plain": "ca3140an.step",
      "lbr": "ca3140an.lbr"
    },
    "distributor_links": {
      "lcsc": "C2683153"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T03:23:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OFFSET NULL",
        "type": "passive",
        "description": "Offset null (balance) terminal (偏置/调零端) used with pin 5 for input offset voltage adjustment; the datasheet gives a 4.7 kΩ typical adjustment resistance between pins 4 and 5 or 4 and 1 when set to maximum input voltage."
      },
      {
        "number": "2",
        "name": "INV.INPUT",
        "type": "input",
        "description": "Inverting input (反向输入端) of the op amp, which provides very high input impedance (typically 1 TΩ) and low input current through a gate-protected PMOS input stage."
      },
      {
        "number": "3",
        "name": "NON-INV.INPUT",
        "type": "input",
        "description": "Non-inverting input (同向输入端) of the op amp, which provides very high input impedance (typically 1 TΩ) and low input current through a gate-protected PMOS input stage."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative power supply terminal (负电源); the total supply voltage between V+ and V- must not exceed 36 V per the absolute maximum ratings."
      },
      {
        "number": "5",
        "name": "OFFSET NULL",
        "type": "passive",
        "description": "Offset null (balance) terminal (偏置/调零端) used with pin 1 for input offset voltage adjustment, with the same 4.7 kΩ typical adjustment resistance between pins 4 and 5 or 4 and 1 at maximum input voltage."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "Amplifier output (输出); the typical output resistance is 60 Ω and the short-circuit output current is typically 45 mA source and 18 mA sink."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply terminal (正电源); the total supply voltage between V+ and V- must not exceed 36 V per the absolute maximum ratings."
      },
      {
        "number": "8",
        "name": "STROBE",
        "type": "output",
        "description": "Strobe output (选通端); when the output goes low, the datasheet specifies a sink current of 220 µA flowing from pin 8 into pin 4."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists pin 6 (OUTPUT) with I/O type 'I', but it is the amplifier output, so 'output' wa; The datasheet labels both offset null pins as 'I'. They are adjustment terminals, so 'passive' was u; Pin 8 is labeled 'O' in the datasheet and mapped to 'output'. The 220 µA figure comes from the elect",
          "1/8 pin names appear NOWHERE in the datasheet text: ['4:V-@p2']"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0274,
        "at": "2026-10-15T03:23:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757815011471572992",
        "pages": 12,
        "sha256": "b5fe51dd23d620a5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ca3140an.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca3140an-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9555b107b7f3a220244952157ebf854acb4ee9dc96737dfb03b182c5dcfd5686",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}