AD8421TRMZ-EP

{
  "slug": "ad8421trmz-ep",
  "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",
    "operational amplifier-comparator",
    "ad8421trmz-ep",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad8421trmz-ep.kicad_sym",
    "ad8421trmz-ep.kicad_mod",
    "ad8421trmz-ep.glb",
    "ad8421trmz-ep.step",
    "ad8421trmz-ep.lbr",
    "docs/hero.png",
    "docs/ad8421trmz-ep-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad8421trmz-ep-hero.glb",
    "ad8421trmz-ep-hero.overlay.json",
    "ad8421trmz-ep-etched.glb"
  ],
  "component": {
    "mpn": "AD8421TRMZ-EP",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Instrumentation OpAmps",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8421-EP.pdf",
    "parts": {
      "symbol": "ad8421trmz-ep.kicad_sym",
      "footprint": "ad8421trmz-ep.kicad_mod",
      "model_3d": "ad8421trmz-ep-hero.glb",
      "model_3d_plain": "ad8421trmz-ep-etched.glb",
      "model_3d_step": "ad8421trmz-ep-etched.step",
      "model_3d_step_plain": "ad8421trmz-ep.step",
      "lbr": "ad8421trmz-ep.lbr"
    },
    "distributor_links": {
      "lcsc": "C578720",
      "digikey": "505-AD8421TRMZ-EP-ND",
      "mouser": "584-AD8421TRMZ-EP"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:09:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-AD8421TRMZ-EP-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD8421TRMZ-EP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "-IN",
        "type": "input",
        "description": "Negative input terminal, protected to 40 V from the opposite supply."
      },
      {
        "number": "2",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting terminal; a single resistor across the RG pins sets G = 1 + (9.9 kΩ/RG)."
      },
      {
        "number": "3",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting terminal; a single resistor across the RG pins sets G = 1 + (9.9 kΩ/RG)."
      },
      {
        "number": "4",
        "name": "+IN",
        "type": "input",
        "description": "Positive input terminal, protected to 40 V from the opposite supply."
      },
      {
        "number": "5",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative power supply terminal; operating range is ±2.5 V to ±18 V dual supply or 5 V to 36 V single supply."
      },
      {
        "number": "6",
        "name": "REF",
        "type": "input",
        "description": "Reference voltage terminal; drive with a low impedance voltage source to level shift the output."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "output",
        "description": "Output terminal; output swing at RL = 2 kΩ is −VS + 1.2 V to +VS − 1.7 V."
      },
      {
        "number": "8",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive power supply terminal; operating range is ±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: Pinout taken from the Table 4 pin function descriptions (page 7), which apply to the 8-lead MSOP (RM"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0177,
        "at": "2026-10-28T16:09:30"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8421-EP.pdf",
        "pages": 20,
        "sha256": "6b44ff79c7869697",
        "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": "ad8421trmz-ep.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad8421trmz-ep-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": "ef082f21ca1d3ca8d11a28b44ce9e8811d29c40d303ca492b29a2feebda05d9a",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}