LM2907MX

{
  "slug": "lm2907mx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments V/F And F/V Converters, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "lm2907mx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "lm2907mx.kicad_mod",
    "lm2907mx.glb",
    "lm2907mx.step",
    "lm2907mx.lbr",
    "docs/hero.png",
    "docs/lm2907mx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2907mx-hero.glb",
    "lm2907mx-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM2907MX",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Data Acquisition",
    "subcategory": "V/F And F/V Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2917-n",
    "parts": {
      "symbol": "lm2907mx.kicad_sym",
      "footprint": "lm2907mx.kicad_mod",
      "model_3d": "lm2907mx-hero.glb",
      "model_3d_plain": "lm2907mx.glb",
      "model_3d_step": "lm2907mx-etched.step",
      "model_3d_step_plain": "lm2907mx.step",
      "lbr": "lm2907mx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2649290",
      "digikey": "LM2907MXTR-ND",
      "mouser": "926-LM2907MX"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:33:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2907MXTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2907MX",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TACH+",
        "type": "input",
        "description": "Positive terminal for the tachometer input signal, which feeds the noninverting input of the internal Schmitt-trigger comparator."
      },
      {
        "number": "2",
        "name": "CP1",
        "type": "output",
        "description": "A capacitor on this pin is charged to VCC/2 by a 180 µA typical constant current source at the start of each positive half cycle and discharged at the same rate during negative half cycles."
      },
      {
        "number": "3",
        "name": "CP2",
        "type": "output",
        "description": "The charge pump sources current equal to the absolute value of the CP1 capacitor current, and a parallel resistor and capacitor on this pin filter the pulses into the output voltage."
      },
      {
        "number": "4",
        "name": "IN+",
        "type": "input",
        "description": "Noninverting input to the high-gain op amp, with input voltage limited to 0 V to 28 V on the 14-pin device."
      },
      {
        "number": "5",
        "name": "EMIT",
        "type": "output",
        "description": "Emitter of the bipolar junction output transistor."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "8",
        "name": "COL",
        "type": "output",
        "description": "Collector of the bipolar junction output transistor, which may be taken above VCC up to a maximum VCE of 28 V."
      },
      {
        "number": "9",
        "name": "V+",
        "type": "power_in",
        "description": "Supply voltage pin; absolute maximum supply voltage is 28 V."
      },
      {
        "number": "10",
        "name": "IN-",
        "type": "input",
        "description": "Inverting input to the high-gain op amp, with input voltage limited to 0 V to 28 V on the 14-pin device."
      },
      {
        "number": "11",
        "name": "TACH-",
        "type": "input",
        "description": "Negative terminal for the tachometer input signal, which feeds the noninverting input of the internal Schmitt-trigger comparator; input voltage limited to 0 V to 28 V on the 14-pin device."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No 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: Package selection: the orderable addendum (page 30) lists LM2907MX/NOPB as SOIC (D), 14 pins, 2500 p; Pin type mapping: the datasheet labels COL (pin 8) as 'I'. I mapped it to 'output' because it is the; Pin 2 and pin 3 are labelled 'O' in the datasheet and are mapped to 'output'. The CP1/CP2 nodes are "
        ],
        "pages_sent": 9,
        "cost_usd": 0.0663,
        "at": "2026-10-08T18:33:03"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2917-n",
        "pages": 44,
        "sha256": "7eb159d92fb097b9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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          1.75
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2907mx-etched.step",
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        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": -0.0,
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        "sha256": "ddfb868449eb1c01ce2dc57a4b58cccce89d3c7d5b0d82eb0720de8e0b97c498",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}