AD8421BRMZ

{
  "slug": "ad8421brmz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Instrumentation OpAmps, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers",
    "ad8421brmz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad8421brmz.kicad_sym",
    "ad8421brmz.kicad_mod",
    "ad8421brmz.glb",
    "ad8421brmz.step",
    "ad8421brmz.lbr",
    "docs/hero.png",
    "docs/ad8421brmz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad8421brmz-hero.glb",
    "ad8421brmz-hero.overlay.json",
    "ad8421brmz-etched.glb"
  ],
  "component": {
    "mpn": "AD8421BRMZ",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers",
    "subcategory": "Instrumentation OpAmps",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8421.pdf",
    "parts": {
      "symbol": "ad8421brmz.kicad_sym",
      "footprint": "ad8421brmz.kicad_mod",
      "model_3d": "ad8421brmz-hero.glb",
      "model_3d_plain": "ad8421brmz-etched.glb",
      "model_3d_step": "ad8421brmz-etched.step",
      "model_3d_step_plain": "ad8421brmz.step",
      "lbr": "ad8421brmz.lbr"
    },
    "distributor_links": {
      "lcsc": "C578719",
      "digikey": "505-AD8421BRMZ-ND",
      "mouser": "584-AD8421BRMZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T00:36:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-AD8421BRMZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD8421BRMZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "-IN",
        "type": "input",
        "description": "Negative input terminal; the absolute maximum voltage at -IN is -VS + 40 V and the minimum is +VS - 40 V."
      },
      {
        "number": "2",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting terminal; place a resistor across the RG pins to set the gain as G = 1 + (9.9 kΩ/RG)."
      },
      {
        "number": "3",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting terminal; place a resistor across the RG pins to set the gain as G = 1 + (9.9 kΩ/RG)."
      },
      {
        "number": "4",
        "name": "+IN",
        "type": "input",
        "description": "Positive input terminal; the absolute maximum voltage at +IN is +VS - 40 V minimum and -VS + 40 V maximum."
      },
      {
        "number": "5",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative power supply terminal; the part operates from ±2.5 V to ±18 V dual supply or 5 V to 36 V single supply."
      },
      {
        "number": "6",
        "name": "REF",
        "type": "input",
        "description": "Reference terminal; drive with a low impedance source (below 1 Ω recommended) to level shift the output, and do not exceed +VS or -VS by more than 0.3 V."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "output",
        "description": "Output terminal, developed with respect to the potential on the REF terminal."
      },
      {
        "number": "8",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive power supply terminal; the part operates from ±2.5 V to ±18 V dual supply or 5 V to 36 V single supply."
      }
    ],
    "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 has one pin-configuration drawing (Figure 3) that covers both the 8-lead SOIC and 8-le; Pin 5 and pin 8 supply limits are the datasheet's general supply ranges (not MSOP-specific), and the"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0674,
        "at": "2026-10-29T00:36:31"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8421.pdf",
        "pages": 31,
        "sha256": "991a4ef11cb5dacd",
        "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": "ad8421brmz.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": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad8421brmz-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": "3935cc0f448e93f304b9f289007c125556e45b37bb811f18d10607793868fad2",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RM-8",
      "source_page": 29,
      "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": "ad8421brmz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}