OPA349UA

{
  "slug": "opa349ua",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Operational Amplifier, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "opa349ua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa349ua.kicad_sym",
    "opa349ua.kicad_mod",
    "opa349ua.glb",
    "opa349ua.step",
    "opa349ua.lbr",
    "docs/hero.png",
    "docs/opa349ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa349ua-hero.glb",
    "opa349ua-hero.overlay.json"
  ],
  "component": {
    "mpn": "OPA349UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/cn/lit/gpn/opa349",
    "parts": {
      "symbol": "opa349ua.kicad_sym",
      "footprint": "opa349ua.kicad_mod",
      "model_3d": "opa349ua-hero.glb",
      "model_3d_plain": "opa349ua.glb",
      "model_3d_step": "opa349ua-etched.step",
      "model_3d_step_plain": "opa349ua.step",
      "lbr": "opa349ua.lbr"
    },
    "distributor_links": {
      "lcsc": "C2059266",
      "digikey": "2156-OPA349UA-ND",
      "mouser": "595-OPA349UA"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T16:51:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-OPA349UA-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-OPA349UA",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on this pin (NC indicates no internal connection per the datasheet)."
      },
      {
        "number": "2",
        "name": "-In",
        "type": "input",
        "description": "Inverting input; the input common-mode voltage range extends 200mV beyond the supply rails and input diodes clamp to the rails, so signals more than 0.5V beyond the rails should be limited to 10mA."
      },
      {
        "number": "3",
        "name": "+In",
        "type": "input",
        "description": "Non-inverting input; the input common-mode voltage range extends 200mV beyond the supply rails, with input bias current of 10pA max."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative power supply (single-supply ground reference); the device is specified from 1.8V to 5.5V between V+ and V-."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on this pin (NC indicates no internal connection per the datasheet)."
      },
      {
        "number": "6",
        "name": "Out",
        "type": "output",
        "description": "Output swings to within 350mV of the rails with RL = 10kΩ and supplies or sinks up to ±8mA output current."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply; specified from +1.8V to +5.5V, with power-supply pins to be bypassed with 0.01µF ceramic capacitors."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on this pin (NC indicates no internal connection per the datasheet)."
      }
    ],
    "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 pin drawing text in the extraction lists pin numbers and labels in separate blocks, so the ; Pins 1, 5 and 8 are NC (no internal connection); the datasheet does not say whether they may be tied; Some pin descriptions combine absolute-maximum notes and typical/max electrical characteristics, whi"
        ],
        "pages_sent": 28,
        "cost_usd": 0.0989,
        "at": "2026-10-11T16:51:41"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/opa349",
        "pages": 28,
        "sha256": "2ad4d2616ad20ca5",
        "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": "opa349ua.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": "opa349ua-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": "94d056a4687e84e9c39388306e64e0830ba4227ea485c8f0893265a403dfe5a4",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}