DAC81401PWR

{
  "slug": "dac81401pwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital To Analog Converters (DAC), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "dac81401pwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dac81401pwr.kicad_sym",
    "dac81401pwr.kicad_mod",
    "dac81401pwr.glb",
    "dac81401pwr.step",
    "dac81401pwr.lbr",
    "docs/hero.png",
    "docs/dac81401pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dac81401pwr-hero.glb",
    "dac81401pwr-hero.overlay.json",
    "dac81401pwr-etched.glb"
  ],
  "component": {
    "mpn": "DAC81401PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/dac81401.pdf",
    "parts": {
      "symbol": "dac81401pwr.kicad_sym",
      "footprint": "dac81401pwr.kicad_mod",
      "model_3d": "dac81401pwr-hero.glb",
      "model_3d_plain": "dac81401pwr-etched.glb",
      "model_3d_step": "dac81401pwr-etched.step",
      "model_3d_step_plain": "dac81401pwr.step",
      "lbr": "dac81401pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C22399678",
      "digikey": "296-DAC81401PWRTR-ND",
      "mouser": "595-DAC81401PWR"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T17:39:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DAC81401PWRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DAC81401PWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VREFIO",
        "type": "bidirectional",
        "description": "Internal reference output or external reference input; connect a 150nF capacitor to ground."
      },
      {
        "number": "2",
        "name": "VREFGND",
        "type": "input",
        "description": "Reference ground, connects to 0V."
      },
      {
        "number": "3",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative power supply; AVSS to GND is specified from -21.5 V to 0 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Must be left unconnected, pin floating."
      },
      {
        "number": "5",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive power supply; AVDD to GND is specified from 4.5 V to 41.5 V."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Must be left unconnected, pin floating."
      },
      {
        "number": "7",
        "name": "CCOMP",
        "type": "input",
        "description": "External compensation capacitor connection for VOUT; a 470pF typical capacitor improves stability with capacitive loads up to 1μF at the cost of increased settling time."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Must be left unconnected, pin floating."
      },
      {
        "number": "9",
        "name": "VOUT",
        "type": "output",
        "description": "DAC voltage output pin."
      },
      {
        "number": "10",
        "name": "VSENSEP",
        "type": "input",
        "description": "Sense output pin for the positive voltage output load connection."
      },
      {
        "number": "11",
        "name": "VSENSEN",
        "type": "input",
        "description": "Connect to 0V."
      },
      {
        "number": "12",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain FAULT output that goes low when a fault condition is detected; requires an external 10kΩ pullup resistor."
      },
      {
        "number": "13",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output; data are valid on the rising or falling edge of SCLK as set by FSDO."
      },
      {
        "number": "14",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input of the SPI, supporting rates up to 50MHz, with Schmitt-trigger logic input."
      },
      {
        "number": "15",
        "name": "SDIN",
        "type": "input",
        "description": "Serial data input; data are clocked into the register on the falling edge of the serial clock, with Schmitt-trigger logic input."
      },
      {
        "number": "16",
        "name": "SYNC",
        "type": "input",
        "description": "SPI bus chip select input (active low); data bits are not clocked into the shift register unless SYNC is low, and SDO is Hi-Z when SYNC is high."
      },
      {
        "number": "17",
        "name": "IOVDD",
        "type": "power_in",
        "description": "IO pin power supply, specified from 1.7 V to 5.5 V to GND."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "Must be left unconnected, pin floating."
      },
      {
        "number": "19",
        "name": "GND",
        "type": "power_in",
        "description": "Digital and analog ground, connects to 0V."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital and analog power supply, specified from 4.5 V to 5.5 V to GND."
      }
    ],
    "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": [],
        "pages_sent": 7,
        "cost_usd": 0.0187,
        "at": "2026-11-02T17:39:25"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/dac81401.pdf",
        "pages": 55,
        "sha256": "8d810beb78f170e9",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "dac81401pwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dac81401pwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e3e106d89b7c13f1c97ddc560eacd63cd2b363994954c0ccfaa7365098715d86",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}