OPA2705UA

{
  "slug": "opa2705ua",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Pre-ordered Chips, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "opa2705ua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa2705ua.kicad_sym",
    "opa2705ua.kicad_mod",
    "opa2705ua.glb",
    "opa2705ua.step",
    "opa2705ua.lbr",
    "docs/hero.png",
    "docs/opa2705ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa2705ua-hero.glb",
    "opa2705ua-hero.overlay.json",
    "opa2705ua-etched.glb"
  ],
  "component": {
    "mpn": "OPA2705UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.ti.com/lit/ds/symlink/opa2705ua.pdf",
    "parts": {
      "symbol": "opa2705ua.kicad_sym",
      "footprint": "opa2705ua.kicad_mod",
      "model_3d": "opa2705ua-hero.glb",
      "model_3d_plain": "opa2705ua-etched.glb",
      "model_3d_step": "opa2705ua-etched.step",
      "model_3d_step_plain": "opa2705ua.step",
      "lbr": "opa2705ua.lbr"
    },
    "distributor_links": {
      "lcsc": "C1347069",
      "digikey": "OPA2705UA-ND",
      "mouser": "595-OPA2705UA"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:13:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "OPA2705UA-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-OPA2705UA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Out A",
        "type": "output",
        "description": "Output of amplifier A, which the datasheet states swings to within 40mV of the supply rail for light loads."
      },
      {
        "number": "2",
        "name": "-In A",
        "type": "input",
        "description": "Inverting input of amplifier A; the input common-mode range extends 300mV beyond the supply rails."
      },
      {
        "number": "3",
        "name": "+In A",
        "type": "input",
        "description": "Non-inverting input of amplifier A; the input swing extends 300mV beyond the supply rails."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply rail; the part is specified for a single supply of 4V to 12V or dual supplies of ±2V to ±6V."
      },
      {
        "number": "5",
        "name": "+In B",
        "type": "input",
        "description": "Non-inverting input of amplifier B; the input swing extends 300mV beyond the supply rails."
      },
      {
        "number": "6",
        "name": "-In B",
        "type": "input",
        "description": "Inverting input of amplifier B; the input common-mode range extends 300mV beyond the supply rails."
      },
      {
        "number": "7",
        "name": "Out B",
        "type": "output",
        "description": "Output of amplifier B, which the datasheet states swings to within 40mV of the supply rail for light loads."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply rail; the part is specified for a single supply of 4V to 12V or dual supplies of ±2V to ±6V."
      }
    ],
    "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-to-label mapping was inferred from the text-extracted pinout diagram on page 1 (numbers; The datasheet gives no per-pin electrical limits. The pin descriptions use the general input, output; The datasheet's ordering table lists OPA2705UA as SO-8, package drawing 182, with the 8-pin SO-8 pin"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0694,
        "at": "2026-10-30T22:13:13"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/opa2705ua.pdf",
        "pages": 16,
        "sha256": "6ca42e8540461c2f",
        "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": [
      {
        "file": "opa2705ua.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa2705ua-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": "36da7f102e5b38f35ce68aba82a5ad0e65e6694987d40122106d7a885acca705",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "D",
      "E1": {
        "nom_mm": 3.9,
        "range_mm": null
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": null
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": null
      },
      "source": "TI package designator D (no drawing in the datasheet)",
      "model_check": {
        "file": "opa2705ua.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}