DAC7750IRHAR

{
  "slug": "dac7750irhar",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital To Analog Converters (DAC), VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "dac7750irhar",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dac7750irhar.kicad_sym",
    "dac7750irhar.kicad_mod",
    "dac7750irhar.glb",
    "dac7750irhar.step",
    "dac7750irhar.lbr",
    "docs/hero.png",
    "docs/dac7750irhar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dac7750irhar-hero.glb",
    "dac7750irhar-hero.overlay.json"
  ],
  "component": {
    "mpn": "DAC7750IRHAR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/dac7750",
    "parts": {
      "symbol": "dac7750irhar.kicad_sym",
      "footprint": "dac7750irhar.kicad_mod",
      "model_3d": "dac7750irhar-hero.glb",
      "model_3d_plain": "dac7750irhar.glb",
      "model_3d_step": "dac7750irhar-etched.step",
      "model_3d_step_plain": "dac7750irhar.step",
      "lbr": "dac7750irhar.lbr"
    },
    "distributor_links": {
      "lcsc": "C2679428",
      "digikey": "296-37537-2-ND",
      "mouser": "595-DAC7750IRHAR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:11:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-37537-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DAC7750IRHAR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave this pin unconnected."
      },
      {
        "number": "2",
        "name": "ALARM",
        "type": "output",
        "description": "Open-drain alarm output that requires an external 10 kΩ pullup and goes low when an alarm condition (open circuit, over temperature, timeout, and so on) is detected."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference point for all digital circuitry of the device."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference point for all digital circuitry of the device."
      },
      {
        "number": "5",
        "name": "CLR",
        "type": "input",
        "description": "Active-high clear input; a logic high on this pin puts the part into the CLEAR state."
      },
      {
        "number": "6",
        "name": "LATCH",
        "type": "input",
        "description": "Load DAC registers input; a rising edge loads the input shift register data into the DAC data and control registers and updates the DAC output."
      },
      {
        "number": "7",
        "name": "SCLK",
        "type": "input",
        "description": "SPI serial clock input supporting data transfer rates up to 30 MHz; Schmitt-trigger logic input."
      },
      {
        "number": "8",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input; data are clocked into the 24-bit input shift register on the rising edge of SCLK; Schmitt-trigger logic input."
      },
      {
        "number": "9",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output; data are valid on the rising edge of SCLK."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference point for all analog circuitry of the device."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference point for all analog circuitry of the device."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference point for all analog circuitry of the device."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference point for all analog circuitry of the device."
      },
      {
        "number": "16",
        "name": "ISET-R",
        "type": "input",
        "description": "Connection pin for an external precision resistor (15 kΩ)."
      },
      {
        "number": "17",
        "name": "REFOUT",
        "type": "output",
        "description": "Internal reference output; connects to REFIN when the internal reference is used."
      },
      {
        "number": "18",
        "name": "REFIN",
        "type": "input",
        "description": "Reference input pin; the recommended reference input voltage is 4.95 V to 5.05 V."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "23",
        "name": "DVDD-EN",
        "type": "input",
        "description": "Internal power-supply enable; connect to GND to disable the internal supply (an external supply must then be applied to DVDD), or leave unconnected to enable it."
      },
      {
        "number": "24",
        "name": "HART-IN",
        "type": "input",
        "description": "Input pin for HART modulation superimposed on the current output."
      },
      {
        "number": "25",
        "name": "R3-SENSE",
        "type": "output",
        "description": "Output-current monitor; the voltage between R3-SENSE and BOOST is directly proportional to the output current."
      },
      {
        "number": "26",
        "name": "IOUT",
        "type": "output",
        "description": "Current output pin; loop compliance is AVDD - 2 V at 24 mA."
      },
      {
        "number": "27",
        "name": "BOOST",
        "type": "output",
        "description": "Boost pin for optional external transistor connection."
      },
      {
        "number": "28",
        "name": "CAP1",
        "type": "input",
        "description": "Connection for an optional output filtering capacitor."
      },
      {
        "number": "29",
        "name": "CAP2",
        "type": "input",
        "description": "Connection for an optional output filtering capacitor."
      },
      {
        "number": "30",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "31",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "33",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "34",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "35",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "36",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply; AVDD is specified at 10 V to 36 V."
      },
      {
        "number": "37",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference point for all analog circuitry of the device."
      },
      {
        "number": "38",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "39",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply that can act as an input or output depending on DVDD-EN; specified at 2.7 V to 5.5 V."
      },
      {
        "number": "40",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "41",
        "name": "Thermal Pad",
        "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-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 thermal pad on the RHA package is not given a printed pin number in the datasheet (it is listed ; DVDD (pin 39) is described as 'Supply input or output' depending on DVDD-EN. It is entered as power_; ALARM (pin 2) is an open-drain output and SDO (pin 9) is a digital output; the datasheet does not gi",
          "exposed pad 41 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0896,
        "at": "2026-10-08T20:10:59"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dac7750",
        "pages": 64,
        "sha256": "ffe9891aabc1a855",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "dac7750irhar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dac7750irhar-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a96b87f0be7d94eb7dd832609da93684a73a33cdffe3e8e51544c568c04002f1",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}