main
Ray Publish 0.1.0 55f96a6 11d ago
{
  "slug": "op27em",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Operational Amplifier, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "op27em",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "op27em.kicad_sym",
    "op27em.kicad_mod",
    "op27em.glb",
    "op27em.step",
    "op27em.lbr",
    "docs/hero.png",
    "docs/op27em-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "op27em-hero.glb",
    "op27em-hero.overlay.json",
    "op27em-etched.glb"
  ],
  "component": {
    "mpn": "OP27EM",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603394176889200640",
    "parts": {
      "symbol": "op27em.kicad_sym",
      "footprint": "op27em.kicad_mod",
      "model_3d": "op27em-hero.glb",
      "model_3d_plain": "op27em-etched.glb",
      "model_3d_step": "op27em-etched.step",
      "model_3d_step_plain": "op27em.step",
      "lbr": "op27em.lbr"
    },
    "distributor_links": {
      "lcsc": "C22446598"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:13:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOS TRIM",
        "type": "passive",
        "description": "Input offset voltage trim terminal; a 20kΩ potentiometer is connected between pins 1 and 8 with its wiper to V+ (VCC+)."
      },
      {
        "number": "2",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the amplifier, with input voltage range of ±13V and absolute maximum input voltage of ±18V."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the amplifier, with input voltage range of ±13V and absolute maximum input voltage of ±18V."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply voltage (VCC-), operating range ±3V to ±18V, absolute maximum ±18V."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; not internally connected."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output, with peak swing of ±12V into 10kΩ and ±11.5V into 2kΩ at VCC=±15V."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply voltage (VCC+), operating range ±3V to ±18V, absolute maximum ±18V."
      },
      {
        "number": "8",
        "name": "VOS TRIM",
        "type": "passive",
        "description": "Input offset voltage trim terminal; a 20kΩ potentiometer is connected between pins 1 and 8 with its wiper to V+ (VCC+)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet is in Chinese; pin names come from the shared DIP-8/SOP-8/MSOP-8 pinout drawing on page 2.",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1745,
        "at": "2026-10-17T21:11:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603394176889200640",
        "pages": 8,
        "sha256": "6f098f6f7ac162e6",
        "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": "op27em.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "op27em-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1cd36eeb345057b593589cdb1d41e926d27f56bb9b8cfcca64ba7f8a9f4d0dbc",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}