main
Ray Set visibility: public 88a61c1 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "adr421brz-reel7",
  "title": "ADR421BRZ-REEL7",
  "brief": "Analog Devices Voltage Reference, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "adr421brz-reel7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADR421BRZ-REEL7",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586177369446604800",
    "parts": {
      "symbol": "adr421brz-reel7.kicad_sym",
      "footprint": "adr421brz-reel7.kicad_mod",
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      "model_3d_plain": "adr421brz-reel7-etched.glb",
      "model_3d_step": "adr421brz-reel7-etched.step",
      "model_3d_step_plain": "adr421brz-reel7.step",
      "lbr": "adr421brz-reel7.lbr"
    },
    "distributor_links": {
      "lcsc": "C29739",
      "digikey": "505-ADR421BRZ-REEL7TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:43:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADR421BRZ-REEL7TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TP",
        "type": "unconnected",
        "description": "Test pin: an actual connection exists but is reserved for factory test, and the user should not connect anything to it or the device may not function correctly."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage; the ADR421 operating input range is 4.5 V to 18 V, and VIN must be at least 2 V above VOUT."
      },
      {
        "number": "3",
        "name": "NIC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, 0 V."
      },
      {
        "number": "5",
        "name": "TRIM",
        "type": "input",
        "description": "Trim pin that adjusts the output voltage within ±0.5% without affecting the temperature coefficient."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "power_out",
        "description": "Voltage reference output; the ADR421 nominal output is 2.50 V with a 10 mA maximum output current capability."
      },
      {
        "number": "7",
        "name": "NIC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "8",
        "name": "TP",
        "type": "unconnected",
        "description": "Test pin: an actual connection exists but is reserved for factory test, and the user should not connect anything to it or the device may not function correctly."
      }
    ],
    "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 requested MPN ADR421BRZ-REEL7 does not appear verbatim in the ordering guide. The closest entry ; The datasheet has no electrical type classification for the TP pins. They are marked as test pins th; The datasheet pin descriptions for VIN, TRIM and VOUT are brief. The power_in/power_out/input classe"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0985,
        "at": "2026-10-17T23:41:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586177369446604800",
        "pages": 24,
        "sha256": "8803a0f5075e3774",
        "source_tier": "lcsc"
      },
      "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": [
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        "file": "adr421brz-reel7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adr421brz-reel7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
        "sha256": "709ce8a3465fd84de2ddbe94667a59cf772810fc7873854bb73b7ba0f1f41dbd",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8803a0f5075e37740219e6e25e28d4d41bbe936e0c9bbd9278ef129adef0416c",
      "rows": [
        {
          "name": "Output voltage (B grade)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 2.499,
          "typ": 2.5,
          "max": 2.501,
          "conditions": "VIN = 5.0 V to 15.0 V, TA = 25°C unless otherwise noted",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Initial accuracy (B grade)",
          "symbol": "VOUTERR",
          "kind": "tolerance",
          "unit": "mV",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VIN = 5.0 V to 15.0 V, TA = 25°C unless otherwise noted",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Initial accuracy (B grade)",
          "symbol": "VOUTERR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.04,
          "typ": null,
          "max": 0.04,
          "conditions": "VIN = 5.0 V to 15.0 V, TA = 25°C unless otherwise noted",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient (B grade)",
          "symbol": "TCVOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 1,
          "max": 3,
          "conditions": "−40°C < TA < +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage headroom",
          "symbol": "VIN − VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVOUT/ΔVIN",
          "kind": "voltage_coefficient",
          "unit": "ppm/V",
          "min": null,
          "typ": 10,
          "max": 35,
          "conditions": "VIN = 5 V to 18 V, −40°C < TA < +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVOUT/ΔIL",
          "kind": "electrical",
          "unit": "ppm/mA",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "IL = 0 mA to 10 mA, −40°C < TA < +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 390,
          "max": 500,
          "conditions": "No load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current over temperature",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "No load, −40°C < TA < +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "Rated relative to 25°C unless otherwise noted",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Pin temperature (soldering, 60 s)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 60 seconds",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-ambient (8-lead SOIC, R-8)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "Surface-mount package soldered to circuit board (worst case)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage operating range (ADR421)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 18,
          "conditions": "ADR421 input voltage range",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Guaranteed load current",
          "symbol": "IL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Input voltage range 4.5 V to 18 V",
          "source_page": 16,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "adr421brz-reel7"
  ],
  "discovery_pitch": "ADR421BRZ-REEL7 (Analog Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}