DAC8814ICDBT

{
  "slug": "dac8814icdbt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital To Analog Converters (DAC), SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "data acquisition",
    "dac8814icdbt",
    "factory-2.0.0",
    "extractor-text"
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    "dac8814icdbt.step",
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  "component": {
    "mpn": "DAC8814ICDBT",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-28",
    "pin_count": 28,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/dac8814",
    "parts": {
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      "lbr": "dac8814icdbt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2679418",
      "digikey": "296-18609-2-ND",
      "mouser": "595-DAC8814ICDBT"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:43:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-18609-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DAC8814ICDBT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGNDA",
        "type": "power_in",
        "description": "DAC A analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit."
      },
      {
        "number": "2",
        "name": "IOUTA",
        "type": "output",
        "description": "DAC A current output, which feeds the external I-to-V amplifier virtual ground."
      },
      {
        "number": "3",
        "name": "VREFA",
        "type": "input",
        "description": "DAC A reference voltage input that sets the full-scale output; it can be tied to VDD."
      },
      {
        "number": "4",
        "name": "RFBA",
        "type": "input",
        "description": "DAC A feedback resistor terminal that establishes the output voltage when connected to the external amplifier output."
      },
      {
        "number": "5",
        "name": "MSB",
        "type": "input",
        "description": "Sets the reset code during a RS pulse or at power-on: tied to ground gives zero code and tied to VDD gives half-scale (8000h)."
      },
      {
        "number": "6",
        "name": "RS",
        "type": "input",
        "description": "Active-low asynchronous reset that forces the input and DAC registers to zero code or half-scale (8000h), depending on MSB."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply input; specified range of operation is +2.7 V to +5.5 V."
      },
      {
        "number": "8",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select that disables shift register loading when high and transfers shift register data to the input register on its rising edge."
      },
      {
        "number": "9",
        "name": "CLK",
        "type": "input",
        "description": "Clock input; the positive edge clocks data into the shift register."
      },
      {
        "number": "10",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input that loads directly into the shift register."
      },
      {
        "number": "11",
        "name": "RFBB",
        "type": "input",
        "description": "DAC B feedback resistor terminal that establishes the output voltage when connected to the external amplifier output."
      },
      {
        "number": "12",
        "name": "VREFB",
        "type": "input",
        "description": "DAC B reference voltage input that sets the full-scale output; it can be tied to VDD."
      },
      {
        "number": "13",
        "name": "IOUTB",
        "type": "output",
        "description": "DAC B current output, which feeds the external I-to-V amplifier virtual ground."
      },
      {
        "number": "14",
        "name": "AGNDB",
        "type": "power_in",
        "description": "DAC B analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit."
      },
      {
        "number": "15",
        "name": "AGNDC",
        "type": "power_in",
        "description": "DAC C analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit."
      },
      {
        "number": "16",
        "name": "IOUTC",
        "type": "output",
        "description": "DAC C current output, which feeds the external I-to-V amplifier virtual ground."
      },
      {
        "number": "17",
        "name": "VREFC",
        "type": "input",
        "description": "DAC C reference voltage input that sets the full-scale output; it can be tied to VDD."
      },
      {
        "number": "18",
        "name": "RFBC",
        "type": "input",
        "description": "DAC C feedback resistor terminal that establishes the output voltage when connected to the external amplifier output."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally; leave floating."
      },
      {
        "number": "20",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output for daisy-chaining; data appears at SDO 19 clock pulses after it is applied at SDI."
      },
      {
        "number": "21",
        "name": "LDAC",
        "type": "input",
        "description": "Level-sensitive active-low asynchronous load DAC strobe that transfers all input register data to the DAC registers."
      },
      {
        "number": "22",
        "name": "AGNDF",
        "type": "power_in",
        "description": "High-current analog force ground for the analog section."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Labeled VSS but stated to have no internal connection."
      },
      {
        "number": "24",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground for the logic interface."
      },
      {
        "number": "25",
        "name": "RFBD",
        "type": "input",
        "description": "DAC D feedback resistor terminal that establishes the output voltage when connected to the external amplifier output."
      },
      {
        "number": "26",
        "name": "VREFD",
        "type": "input",
        "description": "DAC D reference voltage input that sets the full-scale output; it can be tied to VDD."
      },
      {
        "number": "27",
        "name": "IOUTD",
        "type": "output",
        "description": "DAC D current output, which feeds the external I-to-V amplifier virtual ground."
      },
      {
        "number": "28",
        "name": "AGNDD",
        "type": "power_in",
        "description": "DAC D analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The PIN CONFIGURATIONS page is a text extraction in which the right-hand column (pins 15-28) is list; Pin 23 is named VSS but the datasheet states it has no internal connection; its type is marked uncon; The datasheet does not give an ERC electrical type for the RFBX pins; they are typed as input becaus"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0769,
        "at": "2026-10-08T18:42:57"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dac8814",
        "pages": 30,
        "sha256": "ac0123b387c7c750",
        "source_tier": "lcsc"
      },
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      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
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}