AD8131ARZ-REEL7

{
  "slug": "ad8131arz-reel7",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Differential OpAmps, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers",
    "ad8131arz-reel7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad8131arz-reel7.kicad_sym",
    "ad8131arz-reel7.kicad_mod",
    "ad8131arz-reel7.glb",
    "ad8131arz-reel7.step",
    "ad8131arz-reel7.lbr",
    "docs/hero.png",
    "docs/ad8131arz-reel7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad8131arz-reel7-hero.glb",
    "ad8131arz-reel7-hero.overlay.json",
    "ad8131arz-reel7-etched.glb"
  ],
  "component": {
    "mpn": "AD8131ARZ-REEL7",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers",
    "subcategory": "Differential OpAmps",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8131.pdf",
    "parts": {
      "symbol": "ad8131arz-reel7.kicad_sym",
      "footprint": "ad8131arz-reel7.kicad_mod",
      "model_3d": "ad8131arz-reel7-hero.glb",
      "model_3d_plain": "ad8131arz-reel7-etched.glb",
      "model_3d_step": "ad8131arz-reel7-etched.step",
      "model_3d_step_plain": "ad8131arz-reel7.step",
      "lbr": "ad8131arz-reel7.lbr"
    },
    "distributor_links": {
      "lcsc": "C208545",
      "digikey": "505-AD8131ARZ-REEL7TR-ND",
      "mouser": "584-AD8131ARZ-R7"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T01:24:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-AD8131ARZ-REEL7TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD8131ARZ-R7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "-DIN",
        "type": "input",
        "description": "Negative input; the voltage applied here is inverted at +OUT, and it is grounded for the fixed gain-of-2 configuration."
      },
      {
        "number": "2",
        "name": "VOCM",
        "type": "input",
        "description": "Common-mode output voltage input that sets the output common-mode voltage with a 1:1 ratio (for example, 1 V dc sets the +OUT and -OUT bias to 1 V); it must stay within ±VS, and if left floating it is internally biased near midsupply."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply voltage; the absolute maximum supply rating is ±5.5 V."
      },
      {
        "number": "4",
        "name": "+OUT",
        "type": "output",
        "description": "Positive differential output, which is inverted with respect to the voltage at -DIN."
      },
      {
        "number": "5",
        "name": "-OUT",
        "type": "output",
        "description": "Negative differential output, which is inverted with respect to the voltage at +DIN."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply voltage; the absolute maximum supply rating is ±5.5 V."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; this pin is not internally connected and is left unconnected."
      },
      {
        "number": "8",
        "name": "+DIN",
        "type": "input",
        "description": "Positive input; the voltage applied here is inverted at -OUT."
      }
    ],
    "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 ordering guide lists the 7-inch Pb-free reel as 'AD8131ARZ-REEL71'. The trailing '1' is the foot; The datasheet pin table gives only a single pinout for the 8-lead package, so there is no variant-sp"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0855,
        "at": "2026-10-29T01:24:02"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8131.pdf",
        "pages": 20,
        "sha256": "162eca055bc98e1f",
        "source_tier": "mfr"
      },
      "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": "ad8131arz-reel7.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": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad8131arz-reel7-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": "3281afa4d57a320752c80207c657594df861105144fa2982b1e2b4cf3bbe67a7",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "R-8",
      "source_page": 20,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.8,
          5.0
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ad8131arz-reel7.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}