DAC7750IRHAT

{
  "schema_version": 1,
  "type": "component",
  "slug": "dac7750irhat",
  "title": "DAC7750IRHAT",
  "brief": "Texas Instruments Digital To Analog Converters (DAC), VQFN-40-EP(6x6). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "dac7750irhat"
  ],
  "component": {
    "mpn": "DAC7750IRHAT",
    "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": "dac7750irhat.kicad_sym",
      "footprint": "dac7750irhat.kicad_mod",
      "model_3d": "dac7750irhat-etched.glb",
      "model_3d_plain": "dac7750irhat.glb",
      "model_3d_step": "dac7750irhat-etched.step",
      "model_3d_step_plain": "dac7750irhat.step",
      "lbr": "dac7750irhat.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "2",
        "name": "ALARM",
        "type": "output",
        "description": "Alarm pin. Open-drain digital output requiring an external pull-up (~10 kΩ). Goes low (active) on ALARM conditions (open circuit, over-temperature, watchdog timeout, etc.)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground reference for the device."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground reference for the device."
      },
      {
        "number": "5",
        "name": "CLR",
        "type": "input",
        "description": "Clear input. Active-high digital input; a logic high forces the part into the CLEAR state (drives IOUT to the pre-programmed clear condition)."
      },
      {
        "number": "6",
        "name": "LATCH",
        "type": "input",
        "description": "Load-DAC latch input. A rising edge transfers the 24-bit input shift register data into the DAC data and control registers and updates the output."
      },
      {
        "number": "7",
        "name": "SCLK",
        "type": "input",
        "description": "SPI serial clock input, up to 30 MHz. Schmitt-trigger logic input."
      },
      {
        "number": "8",
        "name": "DIN",
        "type": "input",
        "description": "SPI serial data input (MOSI). 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": "SPI serial data output (MISO). Data are valid on the rising edge of SCLK."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "16",
        "name": "ISET-R",
        "type": "passive",
        "description": "External precision RSET resistor connection (~15 kΩ) that sets the output-current full-scale reference for the current mirror."
      },
      {
        "number": "17",
        "name": "REFOUT",
        "type": "output",
        "description": "Internal 5 V reference output (10 ppm/°C). Tie to REFIN when using the internal reference; max sourced current 10 mA."
      },
      {
        "number": "18",
        "name": "REFIN",
        "type": "input",
        "description": "Reference input for the DAC (nominal 4.95 V-5.05 V). Connect to REFOUT for internal-reference operation, or drive externally."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "23",
        "name": "DVDD-EN",
        "type": "input",
        "description": "Internal digital-supply enable. Tie to GND to disable the internal DVDD LDO and drive DVDD externally; leave floating to enable the internal 4.6 V supply that then appears on DVDD."
      },
      {
        "number": "24",
        "name": "HART-IN",
        "type": "input",
        "description": "HART modulation input; injects an external HART FSK signal onto the current output."
      },
      {
        "number": "25",
        "name": "R3-SENSE",
        "type": "output",
        "description": "Output-current monitor pin. The voltage between R3-SENSE and BOOST is directly proportional to IOUT (internal sense resistor)."
      },
      {
        "number": "26",
        "name": "IOUT",
        "type": "output",
        "description": "Programmable current output pin (0-20 mA, 4-20 mA, or 0-24 mA). Loop compliance voltage is AVDD − 2 V at 24 mA."
      },
      {
        "number": "27",
        "name": "BOOST",
        "type": "output",
        "description": "External-transistor connection (optional). Reduces on-chip power dissipation by offloading the output pass device."
      },
      {
        "number": "28",
        "name": "CAP1",
        "type": "passive",
        "description": "Output filtering capacitor connection (optional)."
      },
      {
        "number": "29",
        "name": "CAP2",
        "type": "passive",
        "description": "Output filtering capacitor connection (optional)."
      },
      {
        "number": "30",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "31",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "33",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "34",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "35",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "36",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog supply, 10 V to 36 V."
      },
      {
        "number": "37",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "38",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "39",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply, 2.7 V to 5.5 V. Acts as an input when the internal DVDD LDO is disabled (DVDD-EN tied to GND), otherwise sources the internal 4.6 V rail as an output."
      },
      {
        "number": "40",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "41",
        "name": "PAD",
        "type": "power_in",
        "description": "Thermal pad, internally connected to GND. Solder to a copper plane for thermal performance; may be tied to GND or left electrically floating provided the GND pins are connected."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dac7750",
        "pages": null,
        "sha256": "2f63242163158dd1",
        "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": "dac7750irhat.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          6,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dac7750irhat-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          6,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bdc48a7b9317172371007336334b6c854a6f6070725b4fc3a4860f5f38ffb006",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-40-EP(6x6)",
      "Category": "Data Acquisition",
      "Pins": "41"
    }
  },
  "variants": [
    {
      "mpn": "DAC7750IRHAT",
      "kind": "packaging"
    },
    {
      "mpn": "DAC7750IRHAR",
      "kind": "unknown"
    },
    {
      "mpn": "DAC7750IRHATIPWP",
      "kind": "packaging"
    },
    {
      "mpn": "DAC7750IRHATIPWPR",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dac7750irhat"
  ],
  "discovery_pitch": "DAC7750IRHAT (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "dac7750irhat.step",
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    "docs/dac7750irhat-datasheet.pdf",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:40:01.635Z"
}