MC34074DR2G

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  "type": "component",
  "slug": "mc34074dr2g",
  "title": "MC34074DR2G",
  "brief": "onsemi Operational Amplifier, SOIC-14. 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",
    "mc34074dr2g"
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  "component": {
    "mpn": "MC34074DR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc34074-d.pdf",
    "parts": {
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      "lbr": "mc34074dr2g.lbr"
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    "distributor_links": {
      "lcsc": "C179580"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Amplifier 1 output. All-NPN output stage with no deadband crossover; sources up to 30 mA typ / sinks 30 mA typ into a short."
      },
      {
        "number": "2",
        "name": "IN1-",
        "type": "input",
        "description": "Amplifier 1 inverting input. High-impedance Darlington input (~150 MOhm differential). Input voltage must not exceed VCC or VEE."
      },
      {
        "number": "3",
        "name": "IN1+",
        "type": "input",
        "description": "Amplifier 1 non-inverting input. Common-mode range extends from VEE up to (VCC - 1.8 V)."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. 3.0 V to 44 V single-supply, or up to +22 V with split supplies (VCC + |VEE| <= 44 V). ~1.9 mA quiescent per amplifier at +/-15 V."
      },
      {
        "number": "5",
        "name": "IN2+",
        "type": "input",
        "description": "Amplifier 2 non-inverting input. Common-mode range extends from VEE up to (VCC - 1.8 V)."
      },
      {
        "number": "6",
        "name": "IN2-",
        "type": "input",
        "description": "Amplifier 2 inverting input. High-impedance Darlington input; do not exceed VCC or VEE."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Amplifier 2 output. All-NPN output stage with indefinite short-circuit protection."
      },
      {
        "number": "8",
        "name": "OUT3",
        "type": "output",
        "description": "Amplifier 3 output. All-NPN output stage with indefinite short-circuit protection."
      },
      {
        "number": "9",
        "name": "IN3-",
        "type": "input",
        "description": "Amplifier 3 inverting input. High-impedance Darlington input; do not exceed VCC or VEE."
      },
      {
        "number": "10",
        "name": "IN3+",
        "type": "input",
        "description": "Amplifier 3 non-inverting input. Common-mode range extends from VEE up to (VCC - 1.8 V)."
      },
      {
        "number": "11",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply / ground return. Tie to GND for single-supply operation, or to a negative rail for split supplies. Total supply span VCC-VEE <= 44 V."
      },
      {
        "number": "12",
        "name": "IN4+",
        "type": "input",
        "description": "Amplifier 4 non-inverting input. Common-mode range extends from VEE up to (VCC - 1.8 V)."
      },
      {
        "number": "13",
        "name": "IN4-",
        "type": "input",
        "description": "Amplifier 4 inverting input. High-impedance Darlington input; do not exceed VCC or VEE."
      },
      {
        "number": "14",
        "name": "OUT4",
        "type": "output",
        "description": "Amplifier 4 output. All-NPN output stage with indefinite short-circuit protection."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc34074-d.pdf",
        "pages": 30,
        "sha256": "db258984783ea545",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
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    "pin1": {
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      "at": [
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        -3.81
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      "source": "silk-marker",
      "derived_from": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9",
      "mark": "drawn"
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-14",
      "Category": "Op-amp/Cmp",
      "Pins": "14"
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "MC34074DR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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  "variants": [
    {
      "mpn": "MC34074DR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC34074DR2GDG",
      "kind": "packaging"
    },
    {
      "mpn": "MC34074DR2GPG",
      "kind": "packaging"
    },
    {
      "mpn": "MC34074DR2GDTBR2G",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:49:26.990Z"
}