main
Ray ad8531arz: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body w… 81933e4 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ad8531arz",
  "title": "AD8531ARZ",
  "brief": "UMW Operational Amplifier, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "ad8531arz"
  ],
  "component": {
    "mpn": "AD8531ARZ",
    "manufacturer": "UMW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2404011007_UMW-Youtai-Semiconductor-Co---Ltd--AD8531ARZ-UMW_C22373392.pdf",
    "parts": {
      "symbol": "ad8531arz.kicad_sym",
      "footprint": "ad8531arz.kicad_mod",
      "model_3d": "ad8531arz-etched.glb",
      "model_3d_plain": "ad8531arz.glb",
      "model_3d_step": "ad8531arz-etched.step",
      "model_3d_step_plain": "ad8531arz.step",
      "lbr": "ad8531arz.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to any convenient potential; not internally bonded."
      },
      {
        "number": "2",
        "name": "-INA",
        "type": "input",
        "description": "Inverting input of amplifier A. Rail-to-rail input; common-mode range 0 V to Vs. Input bias current typ 5 pA."
      },
      {
        "number": "3",
        "name": "+INA",
        "type": "input",
        "description": "Non-inverting input of amplifier A. Rail-to-rail input; common-mode range 0 V to Vs. Input bias current typ 5 pA."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply rail (ground in single-supply operation). Total supply voltage V+ − V- must be between 2.7 V and 6 V (7 V absolute max)."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to any convenient potential; not internally bonded."
      },
      {
        "number": "6",
        "name": "OUTA",
        "type": "output",
        "description": "Amplifier A output. Rail-to-rail output capable of sourcing/sinking ±250 mA. Closed-loop output impedance 40-60 Ω at 1 MHz (Av=1)."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply rail. Single-supply operation from 2.7 V to 6 V (7 V absolute max). Supply current typ 0.75 mA at 5 V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to any convenient potential; not internally bonded."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2404011007_UMW-Youtai-Semiconductor-Co---Ltd--AD8531ARZ-UMW_C22373392.pdf",
        "pages": 21,
        "sha256": "7911ec8741aab739",
        "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": [
      {
        "file": "ad8531arz.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad8531arz-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": "617a67dc952a9ceaadd21906a5000b87e4e41048b6e4b611ee986204092004a5",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ad8531arz"
  ],
  "discovery_pitch": "AD8531ARZ (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad8531arz.kicad_sym",
    "ad8531arz.kicad_mod",
    "ad8531arz.glb",
    "ad8531arz.step",
    "ad8531arz.lbr",
    "docs/hero.png",
    "docs/ad8531arz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad8531arz-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:43:50.912Z"
}