ADR421ARMZ

{
  "slug": "adr421armz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Voltage References, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "adr421armz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adr421armz.kicad_sym",
    "adr421armz.kicad_mod",
    "adr421armz.glb",
    "adr421armz.step",
    "adr421armz.lbr",
    "docs/hero.png",
    "docs/adr421armz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adr421armz-hero.glb",
    "adr421armz-hero.overlay.json",
    "adr421armz-etched.glb"
  ],
  "component": {
    "mpn": "ADR421ARMZ",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Voltage References",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADR420_421_423_425.pdf",
    "parts": {
      "symbol": "adr421armz.kicad_sym",
      "footprint": "adr421armz.kicad_mod",
      "model_3d": "adr421armz-hero.glb",
      "model_3d_plain": "adr421armz-etched.glb",
      "model_3d_step": "adr421armz-etched.step",
      "model_3d_step_plain": "adr421armz.step",
      "lbr": "adr421armz.lbr"
    },
    "distributor_links": {
      "lcsc": "C659530",
      "digikey": "505-ADR421ARMZ-ND",
      "mouser": "584-ADR421ARMZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:07:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADR421ARMZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADR421ARMZ",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TP",
        "type": "passive",
        "description": "Test pin reserved for factory testing; it has actual internal connections, and users should not connect anything to it or the device may not function properly."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin; the ADR421 is specified for a 4.5 V to 18 V input range, with an 18 V absolute maximum supply rating."
      },
      {
        "number": "3",
        "name": "NIC",
        "type": "unconnected",
        "description": "No internal connection; the pin has no internal connections."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, defined as 0 V."
      },
      {
        "number": "5",
        "name": "TRIM",
        "type": "passive",
        "description": "Trim terminal that adjusts the output voltage over a ±0.5% range without affecting the temperature coefficient; trim network resistors and potentiometer should be low temperature coefficient types, preferably <100 ppm/°C."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "power_out",
        "description": "Voltage reference output, specified at 2.50 V for the ADR421 with up to 10 mA output current."
      },
      {
        "number": "7",
        "name": "NIC",
        "type": "unconnected",
        "description": "No internal connection; the pin has no internal connections."
      },
      {
        "number": "8",
        "name": "TP",
        "type": "passive",
        "description": "Test pin reserved for factory testing; it has actual internal connections, and users should not connect anything to it or the device may not function properly."
      }
    ],
    "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 datasheet labels TP as 'Test Pin (do not connect)' but also says it has actual internal connecti; TRIM has no stated KiCad class; 'passive' is assigned because it is a resistor-divider adjust node. ; The 4.5 V to 18 V input range and 18 V absolute maximum come from pages 1 and 8, not the page 9 pin "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0536,
        "at": "2026-10-30T16:07:25"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADR420_421_423_425.pdf",
        "pages": 24,
        "sha256": "a3f954c509a578f6",
        "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": "adr421armz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adr421armz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8201d4d559bcd67e25dc1780621b418ebd1b9dd04bcfd1781b0d2b06c8cb357f",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RM-8",
      "source_page": 22,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          2.8,
          3.2
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          2.8,
          3.2
        ]
      },
      "E": {
        "nom_mm": 4.9,
        "range_mm": [
          4.65,
          5.15
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.1,
        "range_mm": [
          null,
          1.1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "adr421armz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}