COS2277SR

{
  "slug": "cos2277sr",
  "version": "0.1.0",
  "type": "component",
  "description": "COSINE Precision Op Amps, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "cos2277sr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cos2277sr.kicad_sym",
    "cos2277sr.kicad_mod",
    "cos2277sr.glb",
    "cos2277sr.step",
    "cos2277sr.lbr",
    "docs/hero.png",
    "docs/cos2277sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cos2277sr-hero.glb",
    "cos2277sr-hero.overlay.json",
    "cos2277sr-etched.glb"
  ],
  "component": {
    "mpn": "COS2277SR",
    "manufacturer": "COSINE",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Precision Op Amps",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8776489069775859712",
    "parts": {
      "symbol": "cos2277sr.kicad_sym",
      "footprint": "cos2277sr.kicad_mod",
      "model_3d": "cos2277sr-hero.glb",
      "model_3d_plain": "cos2277sr-etched.glb",
      "model_3d_step": "cos2277sr-etched.step",
      "model_3d_step_plain": "cos2277sr.step",
      "lbr": "cos2277sr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5447205"
    },
    "distributor_check": {
      "checked_at": "2026-10-13T00:33:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Channel 1 output, whose voltage range extends to within millivolts of each supply rail."
      },
      {
        "number": "2",
        "name": "-IN1",
        "type": "input",
        "description": "Channel 1 inverting input, with a voltage range from -Vs to +Vs."
      },
      {
        "number": "3",
        "name": "+IN1",
        "type": "input",
        "description": "Channel 1 non-inverting input, with the same voltage range as -IN (-Vs to +Vs)."
      },
      {
        "number": "4",
        "name": "-Vs",
        "type": "power_in",
        "description": "Negative power supply or ground; if not connected to ground, bypass it with a 0.1µF capacitor as close to the part as possible."
      },
      {
        "number": "5",
        "name": "+IN2",
        "type": "input",
        "description": "Channel 2 non-inverting input, with the same voltage range as -IN (-Vs to +Vs)."
      },
      {
        "number": "6",
        "name": "-IN2",
        "type": "input",
        "description": "Channel 2 inverting input, with a voltage range from -Vs to +Vs."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Channel 2 output, whose voltage range extends to within millivolts of each supply rail."
      },
      {
        "number": "8",
        "name": "+Vs",
        "type": "power_in",
        "description": "Positive power supply (±2.5V to ±18V supply range); place a 0.1µF bypass capacitor as close to the part as possible."
      }
    ],
    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2397,
        "at": "2026-10-13T00:33:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8776489069775859712",
        "pages": 9,
        "sha256": "fc7e6675fc8999be",
        "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": "cos2277sr.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": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cos2277sr-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": "cb345d73325570eddfdff4da04ee85d672d9d69c056d923f4b7deb0e53b83828",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}