main
Ray Set visibility: public eeac4d1 13d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ca3140ez-ms",
  "title": "CA3140EZ-MS",
  "brief": "MSKSEMI Operational Amplifier, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "amplifiers-comparators",
    "ca3140ez-ms",
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  "component": {
    "mpn": "CA3140EZ-MS",
    "manufacturer": "MSKSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603371703435751424",
    "parts": {
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      "footprint": "ca3140ez-ms.kicad_mod",
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      "model_3d_plain": "ca3140ez-ms-etched.glb",
      "model_3d_step": "ca3140ez-ms-etched.step",
      "model_3d_step_plain": "ca3140ez-ms.step",
      "lbr": "ca3140ez-ms.lbr"
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    "distributor_links": {
      "lcsc": "C22462552"
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    "distributor_check": {
      "checked_at": "2026-10-15T13:55:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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      {
        "number": "1",
        "name": "OA1",
        "type": "passive",
        "description": "Offset adjustment (失调调整) terminal for nulling the input offset voltage; the datasheet gives no limits for this pin."
      },
      {
        "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": "V-",
        "type": "power_in",
        "description": "Negative power supply terminal; recommended supply is ±15V with absolute maximum supply of ±18V."
      },
      {
        "number": "5",
        "name": "OA2",
        "type": "passive",
        "description": "Offset adjustment (失调调整) terminal for nulling the input offset voltage; the datasheet gives no limits for this pin."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output; the datasheet specifies output swing of -14V to +12V at RL=2kΩ."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply terminal; recommended supply is ±15V with absolute maximum supply of ±18V."
      },
      {
        "number": "8",
        "name": "ST",
        "type": "input",
        "description": "Strobe (选通) pin; the datasheet names the function but gives no logic levels, timing, or limits for it."
      }
    ],
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      "extractor": "extract_pins 0.3",
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        "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: Datasheet names OA1/OA2 as offset adjustment terminals but does not show the nulling circuit, its ra; ST is labeled 'strobe' only. The datasheet gives no logic thresholds, polarity, or timing, so the de; Pin table is from page 3 and the package outline (DIP-8) is on page 7. The ordering table on page 2 "
        ],
        "pages_sent": 8,
        "cost_usd": 0.0245,
        "at": "2026-10-15T13:55:17"
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        "pages": 8,
        "sha256": "c24c6cb56f99be14",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
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      "Manufacturer": "MSKSEMI",
      "Package": "DIP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
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        {
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        {
          "name": "Input current (absolute maximum)",
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          "name": "Common-mode input voltage range (absolute maximum)",
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          "min": -65,
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          "name": "Lead soldering temperature (absolute maximum)",
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        {
          "name": "Supply voltage (recommended operating)",
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        {
          "name": "Operating ambient temperature (recommended operating)",
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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