main
Ray lm158dr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wit… e8402b9
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm158dr",
  "title": "LM158DR",
  "brief": "UMW Operational Amplifier, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "op-amp-cmp",
    "lm158dr"
  ],
  "component": {
    "mpn": "LM158DR",
    "manufacturer": "UMW",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/16943c8b86af6c36f1cea7b82b6438b8.pdf",
    "parts": {
      "symbol": "lm158dr.kicad_sym",
      "footprint": "lm158dr.kicad_mod",
      "model_3d": "lm158dr-etched.glb",
      "model_3d_plain": "lm158dr.glb",
      "model_3d_step": "lm158dr-etched.step",
      "model_3d_step_plain": "lm158dr.step",
      "lbr": "lm158dr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUTA",
        "type": "output",
        "description": "Output of amplifier A. Can source up to 40 mA typical and sink up to 20 mA typical; short-circuit current to ground ~40 mA typical at V+=15V."
      },
      {
        "number": "2",
        "name": "IN-A",
        "type": "input",
        "description": "Inverting input of amplifier A. Input bias current typically 45 nA; input common-mode range extends from ground (V-) up to V+ - 1.5 V."
      },
      {
        "number": "3",
        "name": "IN+A",
        "type": "input",
        "description": "Non-inverting input of amplifier A. Input bias current typically 45 nA; input common-mode range from ground to V+ - 1.5 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Negative supply / ground (V-). In single-supply operation this pin is tied to ground; in split-supply operation this is the negative rail (down to -16 V relative to V+)."
      },
      {
        "number": "5",
        "name": "IN+B",
        "type": "input",
        "description": "Non-inverting input of amplifier B. Input bias current typically 45 nA; input common-mode range from ground to V+ - 1.5 V."
      },
      {
        "number": "6",
        "name": "IN-B",
        "type": "input",
        "description": "Inverting input of amplifier B. Input bias current typically 45 nA; input common-mode range from ground to V+ - 1.5 V."
      },
      {
        "number": "7",
        "name": "OUTB",
        "type": "output",
        "description": "Output of amplifier B. Can source up to 40 mA typical and sink up to 20 mA typical; short-circuit current to ground ~40 mA typical at V+=15V."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply pin. Single supply 3 V to 32 V, or split supply ±1.5 V to ±16 V. Supply current is typically 1 mA at V+=30V and 0.5 mA at V+=5V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/16943c8b86af6c36f1cea7b82b6438b8.pdf",
        "pages": 11,
        "sha256": "04061385d285d3c0",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lm158dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm158dr-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "83ef382c29a63d37c060cf682acc3a7c0b7c51577bfa365ca6bf3d9919346227",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm158dr"
  ],
  "discovery_pitch": "LM158DR (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm158dr.kicad_sym",
    "lm158dr.kicad_mod",
    "lm158dr.glb",
    "lm158dr.step",
    "lm158dr-etched.step",
    "lm158dr.lbr",
    "docs/hero.png",
    "docs/lm158dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM158DR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T00:03:44.884Z"
}