ISO7740FDBQR

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  "slug": "iso7740fdbqr",
  "title": "ISO7740FDBQR",
  "brief": "Texas Instruments Digital Isolators, SSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "ISO7740FDBQR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-16-150mil",
    "pin_count": 16,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/iso7740",
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    "distributor_links": {
      "lcsc": "C544482"
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC1",
        "type": "power_in",
        "description": "Power supply input for input side, rated 2.25 V to 5.5 V"
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground return for input side"
      },
      {
        "number": "3",
        "name": "INA",
        "type": "input",
        "description": "Digital input for channel A, accepts CMOS logic levels"
      },
      {
        "number": "4",
        "name": "INB",
        "type": "input",
        "description": "Digital input for channel B, accepts CMOS logic levels"
      },
      {
        "number": "5",
        "name": "INC",
        "type": "input",
        "description": "Digital input for channel C, accepts CMOS logic levels"
      },
      {
        "number": "6",
        "name": "IND",
        "type": "input",
        "description": "Digital input for channel D, accepts CMOS logic levels"
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected"
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground return for input side"
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground return for output side"
      },
      {
        "number": "10",
        "name": "EN2",
        "type": "input",
        "description": "Output enable for side 2; high or open enables outputs, low forces high impedance"
      },
      {
        "number": "11",
        "name": "OUTD",
        "type": "output",
        "description": "Digital output for channel D, provides CMOS logic levels"
      },
      {
        "number": "12",
        "name": "OUTC",
        "type": "output",
        "description": "Digital output for channel C, provides CMOS logic levels"
      },
      {
        "number": "13",
        "name": "OUTB",
        "type": "output",
        "description": "Digital output for channel B, provides CMOS logic levels"
      },
      {
        "number": "14",
        "name": "OUTA",
        "type": "output",
        "description": "Digital output for channel A, provides CMOS logic levels"
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground return for output side"
      },
      {
        "number": "16",
        "name": "VCC2",
        "type": "power_in",
        "description": "Power supply input for output side, rated 2.25 V to 5.5 V"
      }
    ],
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      "factory_chain": {
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        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 51,
        "cost_usd": 0.5514,
        "at": "2026-09-23T00:23:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/iso7740",
        "pages": 51,
        "sha256": "d6ac6b90609c88c4",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SSOP-16-150mil",
      "Category": "Signal Isolation Devices",
      "Pins": "16"
    }
  },
  "variants": [],
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  "discovery_pitch": "ISO7740FDBQR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "updated_at": "2026-09-24T23:08:28.739Z"
}