DAC7553IRGTR

{
  "slug": "dac7553irgtr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital To Analog Converters (DACs), VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "dac7553irgtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dac7553irgtr.kicad_sym",
    "dac7553irgtr.kicad_mod",
    "dac7553irgtr.glb",
    "dac7553irgtr.step",
    "dac7553irgtr.lbr",
    "docs/hero.png",
    "docs/dac7553irgtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dac7553irgtr-hero.glb",
    "dac7553irgtr-hero.overlay.json",
    "dac7553irgtr-etched.glb"
  ],
  "component": {
    "mpn": "DAC7553IRGTR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital To Analog Converters (DACs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/dac7553",
    "parts": {
      "symbol": "dac7553irgtr.kicad_sym",
      "footprint": "dac7553irgtr.kicad_mod",
      "model_3d": "dac7553irgtr-hero.glb",
      "model_3d_plain": "dac7553irgtr-etched.glb",
      "model_3d_step": "dac7553irgtr-etched.step",
      "model_3d_step_plain": "dac7553irgtr.step",
      "lbr": "dac7553irgtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862726",
      "digikey": "DAC7553IRGTR-ND",
      "mouser": "595-DAC7553IRGTR"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T19:20:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "DAC7553IRGTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DAC7553IRGTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUTA",
        "type": "output",
        "description": "Analog output voltage from DAC A, rail-to-rail, range 0 to VREF."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Analog voltage supply input, 2.7 V to 5.5 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "VOUTB",
        "type": "output",
        "description": "Analog output voltage from DAC B, rail-to-rail, range 0 to VREF."
      },
      {
        "number": "5",
        "name": "VFBB",
        "type": "input",
        "description": "DAC B amplifier sense input."
      },
      {
        "number": "6",
        "name": "VREFB",
        "type": "input",
        "description": "Positive reference voltage input for DAC B, range 0 to VDD."
      },
      {
        "number": "7",
        "name": "PD",
        "type": "input",
        "description": "Power down input."
      },
      {
        "number": "8",
        "name": "DCEN",
        "type": "input",
        "description": "Daisy-chain enable input."
      },
      {
        "number": "9",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output."
      },
      {
        "number": "10",
        "name": "IOVDD",
        "type": "power_in",
        "description": "I/O voltage supply input for the digital interface."
      },
      {
        "number": "11",
        "name": "SYNC",
        "type": "input",
        "description": "Frame synchronization input; the falling edge of the SYNC pulse indicates the start of a serial data frame shifted into the DAC7553."
      },
      {
        "number": "12",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input, up to 50 MHz."
      },
      {
        "number": "13",
        "name": "SDIN",
        "type": "input",
        "description": "Serial data input."
      },
      {
        "number": "14",
        "name": "CLR",
        "type": "input",
        "description": "Asynchronous input to clear the DAC registers; when low, the DAC registers are set to 000H and the output to midscale voltage."
      },
      {
        "number": "15",
        "name": "VREFA",
        "type": "input",
        "description": "Positive reference voltage input for DAC A, range 0 to VDD."
      },
      {
        "number": "16",
        "name": "VFBA",
        "type": "input",
        "description": "DAC A amplifier sense input."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The terminal table lists no exposed thermal pad pin for the RGT package, and the datasheet text give; Pin types are inferred from the pin names and descriptions. The datasheet does not state them explic",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1432,
        "at": "2026-11-02T19:19:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dac7553",
        "pages": 26,
        "sha256": "2d8f67ce79fb077b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "dac7553irgtr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dac7553irgtr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5e4cac8ed7d4f3ff9884be5a6b98555afdd24cc1d798a35878761260c2eabde2",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RGT0016C",
      "source_page": 23,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.9,
        "range_mm": [
          0.8,
          1.0
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "dac7553irgtr.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}