OPA343UA

{
  "slug": "opa343ua",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Operational Amplifier, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "opa343ua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa343ua.kicad_sym",
    "opa343ua.kicad_mod",
    "opa343ua.glb",
    "opa343ua.step",
    "opa343ua.lbr",
    "docs/hero.png",
    "docs/opa343ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa343ua-hero.glb",
    "opa343ua-hero.overlay.json"
  ],
  "component": {
    "mpn": "OPA343UA",
    "manufacturer": "Texas Instruments",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/cn/lit/gpn/opa343",
    "parts": {
      "symbol": "opa343ua.kicad_sym",
      "footprint": "opa343ua.kicad_mod",
      "model_3d": "opa343ua-hero.glb",
      "model_3d_plain": "opa343ua.glb",
      "model_3d_step": "opa343ua-etched.step",
      "model_3d_step_plain": "opa343ua.step",
      "lbr": "opa343ua.lbr"
    },
    "distributor_links": {
      "lcsc": "C57266",
      "digikey": "OPA343UA-ND",
      "mouser": "595-OPA343UA"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T01:25:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "OPA343UA-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-OPA343UA",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Shown as NC (no connect) on the SO-8 pin diagram; the datasheet gives no function or electrical limit for this pin."
      },
      {
        "number": "2",
        "name": "-In",
        "type": "input",
        "description": "Inverting input; the input terminals are diode-clamped to the supply rails, and input signals more than 0.5V beyond the rails should be limited to 10mA or less."
      },
      {
        "number": "3",
        "name": "+In",
        "type": "input",
        "description": "Non-inverting input; the common-mode voltage range extends from -0.3V to (V+) + 0.3V."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative power supply (ground in single-supply operation); the device operates from a single supply of 2.5V to 5.5V."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Shown as NC (no connect) on the SO-8 pin diagram; the datasheet gives no function or electrical limit for this pin."
      },
      {
        "number": "6",
        "name": "Output",
        "type": "output",
        "description": "Output swings to within 1mV of the supply rails with a 100kΩ load, with short-circuit current of ±50mA and continuous short-circuit tolerance (one amplifier per package)."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply; specified from 2.7V to 5.5V (operating range 2.5V to 5.5V), absolute maximum supply 7.5V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Shown as NC (no connect) on the SO-8 pin diagram; the datasheet gives no function or electrical limit for this pin."
      }
    ],
    "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 SO-8 diagram text on page 1 is scrambled by text extraction (pin numbers and names are not in or; The datasheet labels these pins NC but gives no function, so no functional description could be sour; The datasheet has no separate pin-function table; the descriptions are assembled from the absolute m"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0955,
        "at": "2026-10-11T01:25:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/opa343",
        "pages": 19,
        "sha256": "6b07921eb0a79bd4",
        "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": "opa343ua.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": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa343ua-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": "30afae88f0fdb53845daaf9c88c50ae8bc06fcf3ec7729af2e8f451d0605f9eb",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}