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Ray Publish 0.1.0 afc371a 13d ago
{
  "slug": "dac7725ub",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital To Analog Converters (DAC), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "dac7725ub",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dac7725ub.kicad_sym",
    "dac7725ub.kicad_mod",
    "dac7725ub.glb",
    "dac7725ub.step",
    "dac7725ub.lbr",
    "docs/hero.png",
    "docs/dac7725ub-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dac7725ub-hero.glb",
    "dac7725ub-hero.overlay.json"
  ],
  "component": {
    "mpn": "DAC7725UB",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-28-300mil",
    "pin_count": 28,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/dac7724",
    "parts": {
      "symbol": "dac7725ub.kicad_sym",
      "footprint": "dac7725ub.kicad_mod",
      "model_3d": "dac7725ub-hero.glb",
      "model_3d_plain": "dac7725ub.glb",
      "model_3d_step": "dac7725ub-etched.step",
      "model_3d_step_plain": "dac7725ub.step",
      "lbr": "dac7725ub.lbr"
    },
    "distributor_links": {
      "lcsc": "C2680022",
      "digikey": "DAC7725UB-ND",
      "mouser": "595-DAC7725UB"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T14:53:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "DAC7725UB-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DAC7725UB",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VREFH",
        "type": "input",
        "description": "Reference Input Voltage High; sets the maximum output voltage for all DACs."
      },
      {
        "number": "2",
        "name": "VOUTB",
        "type": "output",
        "description": "DAC B Voltage Output."
      },
      {
        "number": "3",
        "name": "VOUTA",
        "type": "output",
        "description": "DAC A Voltage Output."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative Analog Supply Voltage, either 0V (single supply) or -15V (dual supply)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "RESET",
        "type": "input",
        "description": "Asynchronous Reset Input; when LOW it sets the DAC and input registers to mid-scale (800H, DAC7724) or zero-scale (000H, DAC7725)."
      },
      {
        "number": "7",
        "name": "LDAC",
        "type": "input",
        "description": "Load DAC Input; all DAC registers are transparent when LOW."
      },
      {
        "number": "8",
        "name": "DB0",
        "type": "bidirectional",
        "description": "Data Bit 0, least significant bit of the 12-bit word."
      },
      {
        "number": "9",
        "name": "DB1",
        "type": "bidirectional",
        "description": "Data Bit 1 of the 12-bit parallel data word."
      },
      {
        "number": "10",
        "name": "DB2",
        "type": "bidirectional",
        "description": "Data Bit 2 of the 12-bit parallel data word."
      },
      {
        "number": "11",
        "name": "DB3",
        "type": "bidirectional",
        "description": "Data Bit 3 of the 12-bit parallel data word."
      },
      {
        "number": "12",
        "name": "DB4",
        "type": "bidirectional",
        "description": "Data Bit 4 of the 12-bit parallel data word."
      },
      {
        "number": "13",
        "name": "DB5",
        "type": "bidirectional",
        "description": "Data Bit 5 of the 12-bit parallel data word."
      },
      {
        "number": "14",
        "name": "DB6",
        "type": "bidirectional",
        "description": "Data Bit 6 of the 12-bit parallel data word."
      },
      {
        "number": "15",
        "name": "DB7",
        "type": "bidirectional",
        "description": "Data Bit 7 of the 12-bit parallel data word."
      },
      {
        "number": "16",
        "name": "DB8",
        "type": "bidirectional",
        "description": "Data Bit 8 of the 12-bit parallel data word."
      },
      {
        "number": "17",
        "name": "DB9",
        "type": "bidirectional",
        "description": "Data Bit 9 of the 12-bit parallel data word."
      },
      {
        "number": "18",
        "name": "DB10",
        "type": "bidirectional",
        "description": "Data Bit 10 of the 12-bit parallel data word."
      },
      {
        "number": "19",
        "name": "DB11",
        "type": "bidirectional",
        "description": "Data Bit 11, most significant bit of the 12-bit word."
      },
      {
        "number": "20",
        "name": "R/W",
        "type": "input",
        "description": "Read/Write Control Input; read when HIGH, write when LOW."
      },
      {
        "number": "21",
        "name": "A1",
        "type": "input",
        "description": "Register/DAC Select; C or D when HIGH, A or B when LOW."
      },
      {
        "number": "22",
        "name": "A0",
        "type": "input",
        "description": "Register/DAC Select; B or D when HIGH, A or C when LOW."
      },
      {
        "number": "23",
        "name": "CS",
        "type": "input",
        "description": "Chip Select Input."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive Digital Supply, +5V (specified range 4.75V to 5.25V on page 2)."
      },
      {
        "number": "25",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive Analog Supply Voltage, +15V nominal (specified range 14.25V to 15.75V on page 2)."
      },
      {
        "number": "26",
        "name": "VOUTD",
        "type": "output",
        "description": "DAC D Voltage Output."
      },
      {
        "number": "27",
        "name": "VOUTC",
        "type": "output",
        "description": "DAC C Voltage Output."
      },
      {
        "number": "28",
        "name": "VREFL",
        "type": "input",
        "description": "Reference Input Voltage Low; sets the minimum output voltage for all DACs."
      }
    ],
    "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: The SO-28 pin numbering is taken from the first 'Top View' drawing on page 5 (pins 1-14 on one side,; The datasheet gives the package as SO-28 (drawing 217). The TI addendum lists the orderable part as ; The datasheet does not give a pin type for the data bus. DB0-DB11 are typed bidirectional because th"
        ],
        "pages_sent": 21,
        "cost_usd": 0.108,
        "at": "2026-10-11T14:52:57"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dac7724",
        "pages": 21,
        "sha256": "006b04deae31b73c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "dac7725ub.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          17.9,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b889a13dbe9ec59e79fa9f1b5118b00bfa54f9582392335ff3365b64afc264b1",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dac7725ub-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          17.9,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0db7dca7388d04d0fc34c5914ceb3ce8fa348559ba7921ff654cac44c1bce75b",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}