OPA1678IDRGT

{
  "slug": "opa1678idrgt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Power OpAmps, WSON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "operational amplifier-comparator",
    "opa1678idrgt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa1678idrgt.kicad_sym",
    "opa1678idrgt.kicad_mod",
    "opa1678idrgt.glb",
    "opa1678idrgt.step",
    "opa1678idrgt.lbr",
    "docs/hero.png",
    "docs/opa1678idrgt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa1678idrgt-hero.glb",
    "opa1678idrgt-hero.overlay.json",
    "opa1678idrgt-etched.glb"
  ],
  "component": {
    "mpn": "OPA1678IDRGT",
    "manufacturer": "Texas Instruments",
    "package": "WSON-8-EP(3x3)",
    "pin_count": 9,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/opa1678idrgt.pdf",
    "parts": {
      "symbol": "opa1678idrgt.kicad_sym",
      "footprint": "opa1678idrgt.kicad_mod",
      "model_3d": "opa1678idrgt-hero.glb",
      "model_3d_plain": "opa1678idrgt-etched.glb",
      "model_3d_step": "opa1678idrgt-etched.step",
      "model_3d_step_plain": "opa1678idrgt.step",
      "lbr": "opa1678idrgt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2058875",
      "digikey": "296-49486-2-ND",
      "mouser": "595-OPA1678IDRGT"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T12:42:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-49486-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-OPA1678IDRGT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT A",
        "type": "output",
        "description": "Output of channel A."
      },
      {
        "number": "2",
        "name": "-IN A",
        "type": "input",
        "description": "Inverting input of channel A."
      },
      {
        "number": "3",
        "name": "+IN A",
        "type": "input",
        "description": "Noninverting input of channel A."
      },
      {
        "number": "4",
        "name": "V–",
        "type": "power_in",
        "description": "Negative (lowest) power supply; supply range is 4.5 V to 36 V single or ±2.25 V to ±18 V dual."
      },
      {
        "number": "5",
        "name": "+IN B",
        "type": "input",
        "description": "Noninverting input of channel B."
      },
      {
        "number": "6",
        "name": "-IN B",
        "type": "input",
        "description": "Inverting input of channel B."
      },
      {
        "number": "7",
        "name": "OUT B",
        "type": "output",
        "description": "Output of channel B."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive (highest) power supply; supply range is 4.5 V to 36 V single or ±2.25 V to ±18 V dual."
      },
      {
        "number": "9",
        "name": "Thermal Pad",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin number for the exposed thermal pad, so 'EP' is a placeholder. Its type is; The 3x3 body size comes from the package hint and the tape-and-reel A0/B0 of 3.3 mm. The pages provi"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1333,
        "at": "2026-10-31T12:42:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/opa1678idrgt.pdf",
        "pages": 53,
        "sha256": "dd8d8b4c34cfcf06",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "opa1678idrgt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa1678idrgt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4d350d9b4c2332843356a4d6191bd67c5b8dcbcf9c604367dd363c5469860a28",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DRG0008A",
      "source_page": 43,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.75,
        "range_mm": [
          0.7,
          0.8
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "opa1678idrgt.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}