main
Ray lm2904mx: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 9f43351 23h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2904mx",
  "title": "LM2904MX",
  "brief": "Texas Instruments Operational Amplifier, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm2904mx"
  ],
  "component": {
    "mpn": "LM2904MX",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm2904mx.pdf",
    "parts": {
      "symbol": "lm2904mx.kicad_sym",
      "footprint": "lm2904mx.kicad_mod",
      "model_3d": "lm2904mx-etched.glb",
      "model_3d_plain": "lm2904mx.glb",
      "model_3d_step": "lm2904mx-etched.step",
      "model_3d_step_plain": "lm2904mx.step",
      "lbr": "lm2904mx.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUTA",
        "type": "output",
        "description": "Output of amplifier channel A. Class-AB output stage capable of sinking or sourcing current; short-circuit to GND is continuous for V+ ≤ 15 V (limited to ~40 mA)."
      },
      {
        "number": "2",
        "name": "-INA",
        "type": "input",
        "description": "Inverting input of amplifier channel A. High-impedance PNP input; input bias current typically 45 nA. Common-mode range includes ground (0 V to V+−1.5 V)."
      },
      {
        "number": "3",
        "name": "+INA",
        "type": "input",
        "description": "Non-inverting input of amplifier channel A. High-impedance PNP input; input common-mode range includes ground (0 V to V+−1.5 V)."
      },
      {
        "number": "4",
        "name": "GND/V-",
        "type": "power_in",
        "description": "Ground pin for single-supply operation, or the negative supply rail (V−) for split-supply operation. Split-supply range ±1.5 V to ±13 V for LM2904."
      },
      {
        "number": "5",
        "name": "+INB",
        "type": "input",
        "description": "Non-inverting input of amplifier channel B. High-impedance PNP input; input common-mode range includes ground (0 V to V+−1.5 V). (Datasheet Pin Functions table labels this row 'Output, Channel B' but the pin diagram clearly shows pin 5 as +INB; treated as +INB.)"
      },
      {
        "number": "6",
        "name": "-INB",
        "type": "input",
        "description": "Inverting input of amplifier channel B. High-impedance PNP input; input bias current typically 45 nA."
      },
      {
        "number": "7",
        "name": "OUTB",
        "type": "output",
        "description": "Output of amplifier channel B. Class-AB output stage capable of sinking or sourcing current; short-circuit to GND is continuous for V+ ≤ 15 V (limited to ~40 mA)."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply pin. Single-supply range 3 V to 26 V for LM2904 (LM158/LM258/LM358 up to 32 V). Supply current typically 1 mA total for both amplifiers."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm2904mx.pdf",
        "pages": 38,
        "sha256": "89107a55b932318a",
        "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"
    },
    "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": "lm2904mx.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2904mx-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": "4d33f9730bdd8cbf3a6cb9ab3d21d6b667154ad9ac7191fe60532ffb0ee290db",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2904mx"
  ],
  "discovery_pitch": "LM2904MX (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2904mx.kicad_sym",
    "lm2904mx.kicad_mod",
    "lm2904mx.glb",
    "lm2904mx.step",
    "lm2904mx-etched.step",
    "lm2904mx.lbr",
    "docs/hero.png",
    "docs/lm2904mx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM2904MX",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MXM",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MXDR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MXD",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MXN",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MXP",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MXYPB",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:29:05.190Z"
}