OPA2227UA

{
  "schema_version": 1,
  "type": "component",
  "slug": "opa2227ua",
  "title": "OPA2227UA",
  "brief": "Texas Instruments Precision OpAmps, SOIC-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",
    "opa2227ua"
  ],
  "component": {
    "mpn": "OPA2227UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Precision OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/opa2227ua.pdf",
    "parts": {
      "symbol": "opa2227ua.kicad_sym",
      "footprint": "opa2227ua.kicad_mod",
      "model_3d": "opa2227ua-etched.glb",
      "model_3d_plain": "opa2227ua.glb",
      "model_3d_step": "opa2227ua-etched.step",
      "model_3d_step_plain": "opa2227ua.step",
      "lbr": "opa2227ua.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "Out A",
        "type": "output",
        "description": "Amplifier A output. Class-AB output stage; +/-45mA typical short-circuit current, drives loads down to 600 ohm with V- +3.5V to V+ -3.5V swing."
      },
      {
        "number": "2",
        "name": "-In A",
        "type": "input",
        "description": "Inverting input of amplifier A. Bipolar input with +/-2.5nA typical (10nA max) bias current, +/-2.5nA typical offset current. Common-mode range V- +2V to V+ -2V."
      },
      {
        "number": "3",
        "name": "+In A",
        "type": "input",
        "description": "Non-inverting input of amplifier A. Same DC/AC specs as -In A; differential input impedance 10^7 ohm || 12 pF."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply rail. Operating range -2.5V to -18V referenced to V+ (total Vs = 5V to 36V). Quiescent current 3.7mA typ per amplifier."
      },
      {
        "number": "5",
        "name": "+In B",
        "type": "input",
        "description": "Non-inverting input of amplifier B. Bipolar input, +/-2.5nA typ bias, common-mode range V- +2V to V+ -2V."
      },
      {
        "number": "6",
        "name": "-In B",
        "type": "input",
        "description": "Inverting input of amplifier B. Same specs as +In B; 10^9 ohm || 3 pF common-mode input impedance."
      },
      {
        "number": "7",
        "name": "Out B",
        "type": "output",
        "description": "Amplifier B output. Class-AB output stage matched to Out A; channel separation 110 dB at 1kHz, 5k ohm load."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply rail. Operating range +2.5V to +18V referenced to V-. Absolute maximum supply voltage +/-18V; bypass with 0.1uF ceramic to V-."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/opa2227ua.pdf",
        "pages": 27,
        "sha256": "9c1e133dfda319a3",
        "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": [
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        "file": "opa2227ua.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": "opa2227ua-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "65a0897c9fb2a89c234f10c8f7ae340a93d17b259025378c6ed3bb35bccbdc29",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "OPA2227UAU",
      "kind": "packaging"
    },
    {
      "mpn": "OPA2227UA",
      "kind": "packaging"
    },
    {
      "mpn": "OPA2227UAP",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "opa2227ua"
  ],
  "discovery_pitch": "OPA2227UA (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "opa2227ua.kicad_mod",
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    "opa2227ua.lbr",
    "docs/hero.png",
    "docs/opa2227ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T03:42:17.841Z"
}