AD8227ARZ-R7

{
  "slug": "ad8227arz-r7",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Instrumentation OpAmps, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers",
    "ad8227arz-r7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad8227arz-r7.kicad_sym",
    "ad8227arz-r7.kicad_mod",
    "ad8227arz-r7.glb",
    "ad8227arz-r7.step",
    "ad8227arz-r7.lbr",
    "docs/hero.png",
    "docs/ad8227arz-r7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad8227arz-r7-hero.glb",
    "ad8227arz-r7-hero.overlay.json",
    "ad8227arz-r7-etched.glb"
  ],
  "component": {
    "mpn": "AD8227ARZ-R7",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers",
    "subcategory": "Instrumentation OpAmps",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8227.pdf",
    "parts": {
      "symbol": "ad8227arz-r7.kicad_sym",
      "footprint": "ad8227arz-r7.kicad_mod",
      "model_3d": "ad8227arz-r7-hero.glb",
      "model_3d_plain": "ad8227arz-r7-etched.glb",
      "model_3d_step": "ad8227arz-r7-etched.step",
      "model_3d_step_plain": "ad8227arz-r7.step",
      "lbr": "ad8227arz-r7.lbr"
    },
    "distributor_links": {
      "lcsc": "C2059223",
      "digikey": "AD8227ARZ-R7TR-ND",
      "mouser": "584-AD8227ARZ-R7"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T18:39:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AD8227ARZ-R7TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD8227ARZ-R7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "-IN",
        "type": "input",
        "description": "Negative input; input voltages can be up to 40 V from the opposite supply rail, and the absolute maximum voltage at -IN is -VS + 40 V."
      },
      {
        "number": "2",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting pin; place the gain resistor between pins 2 and 3 (G = 5 with no resistor, G = 5 + 80 kΩ/RG)."
      },
      {
        "number": "3",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting pin; place the gain resistor between pins 2 and 3 (G = 5 with no resistor, G = 5 + 80 kΩ/RG)."
      },
      {
        "number": "4",
        "name": "+IN",
        "type": "input",
        "description": "Positive input; input voltages can be up to 40 V from the opposite supply rail, and the minimum voltage at +IN is +VS - 40 V."
      },
      {
        "number": "5",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative supply; the part operates from ±1.5 V to ±18 V dual supplies or 2.2 V to 36 V single supply, with supply voltage rated at ±18 V."
      },
      {
        "number": "6",
        "name": "REF",
        "type": "input",
        "description": "Reference; must be driven by a low impedance (source impedance below 2 Ω is recommended) and should not exceed either +VS or -VS by more than 0.3 V."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "output",
        "description": "Output; rail-to-rail output, and the output short-circuit current is indefinite."
      },
      {
        "number": "8",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive supply; the part operates from ±1.5 V to ±18 V dual supplies or 2.2 V to 36 V single supply, with supply voltage rated at ±18 V."
      }
    ],
    "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 MPN AD8227ARZ-R7 is not listed verbatim. The closest ordering-guide entry is AD8227ARZ-R71 (8-Le; Pin 2 and pin 3 are both labelled RG in the datasheet. Table 6 groups them as '2, 3', so each is lis; The datasheet gives no explicit electrical type for each pin. The KiCad types were assigned from the"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0521,
        "at": "2026-10-30T18:39:33"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8227.pdf",
        "pages": 24,
        "sha256": "9c19dc145df60e0c",
        "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": "ad8227arz-r7.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad8227arz-r7-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": "24997ba073eb787e2307cd84ab5d8ca9e9244ee47637de9d6e74884444777c0d",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "R-8",
      "source_page": 24,
      "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": "ad8227arz-r7.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}