TL031ID

{
  "slug": "tl031id",
  "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",
    "tl031id",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl031id.kicad_sym",
    "tl031id.kicad_mod",
    "tl031id.glb",
    "tl031id.step",
    "tl031id.lbr",
    "docs/hero.png",
    "docs/tl031id-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl031id-hero.glb",
    "tl031id-hero.overlay.json",
    "tl031id-etched.glb"
  ],
  "component": {
    "mpn": "TL031ID",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tl031.pdf",
    "parts": {
      "symbol": "tl031id.kicad_sym",
      "footprint": "tl031id.kicad_mod",
      "model_3d": "tl031id-hero.glb",
      "model_3d_plain": "tl031id-etched.glb",
      "model_3d_step": "tl031id-etched.step",
      "model_3d_step_plain": "tl031id.step",
      "lbr": "tl031id.lbr"
    },
    "distributor_links": {
      "lcsc": "C1346612",
      "digikey": "296-34245-5-ND",
      "mouser": "595-TL031ID"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:10:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-34245-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL031ID",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OFFSET N1",
        "type": "passive",
        "description": "Input offset adjustment pin for trimming the input offset voltage; the TL031ID has on-chip offset-voltage trimming to 1.5 mV."
      },
      {
        "number": "2",
        "name": "IN–",
        "type": "input",
        "description": "Inverting input of the amplifier."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting input of the amplifier."
      },
      {
        "number": "4",
        "name": "VCC–",
        "type": "power_in",
        "description": "Negative power supply; the recommended supply range is ±5 V to ±15 V and the absolute maximum VCC- is −18 V."
      },
      {
        "number": "5",
        "name": "OFFSET N2",
        "type": "passive",
        "description": "Input offset adjustment pin for trimming the input offset voltage, used together with OFFSET N1."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output; each output is rated at 40 mA maximum, and the output may be shorted to either supply for unlimited duration at or below 25°C."
      },
      {
        "number": "7",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive power supply; the absolute maximum VCC+ is 18 V and the recommended supply range is ±5 V to ±15 V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      }
    ],
    "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 datasheet's Table 4-1 leaves the pin type blank ('—') for OFFSET N1 and OFFSET N2; the 'passive'; Table 4-1 leaves the type blank for the supply pins; 'power_in' is assigned per KiCad convention for; Table 4-2 (TL031x/TL031Ax D or P package) shows a different pinout with NC on pins 1, 5 and 8. This "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0748,
        "at": "2026-10-30T22:10:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tl031.pdf",
        "pages": 51,
        "sha256": "aa827ac61623280f",
        "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": "tl031id.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": "tl031id-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": "d67d0fb276c4403003e811856c0151073db3e2525ff8214eaa9d7c4b295afc2a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "D0008A",
      "source_page": 41,
      "D": {
        "nom_mm": 4.902,
        "range_mm": [
          4.801,
          5.004
        ]
      },
      "E1": {
        "nom_mm": 3.899,
        "range_mm": [
          3.81,
          3.988
        ]
      },
      "E": {
        "nom_mm": 5.994,
        "range_mm": [
          5.791,
          6.198
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.753,
        "range_mm": [
          null,
          1.753
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tl031id.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}