main
Ray dac7311: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) ebe9e21 28d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "dac7311",
  "title": "DAC7311 12-Bit SPI DAC",
  "brief": "Single-channel 12-bit voltage-output DAC with SPI in a tiny 6-pin package.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "dac",
    "12-bit",
    "single",
    "spi",
    "low-power",
    "ti",
    "sot-23-6"
  ],
  "component": {
    "mpn": "DAC7311",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Analog",
    "subcategory": "Digital-to-Analog Converter",
    "datasheet": "https://www.ti.com/lit/ds/symlink/dac7311.pdf",
    "parts": {
      "symbol": "dac7311.kicad_sym",
      "footprint": "dac7311.kicad_mod",
      "model_3d": "dac7311-etched.glb",
      "model_3d_plain": "dac7311.glb",
      "model_3d_step": "dac7311-etched.step",
      "model_3d_step_plain": "dac7311.step",
      "lbr": "dac7311.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SYNC",
        "type": "input",
        "description": "Active-low, level-triggered frame synchronization input for the serial interface. When SYNC goes low, the input shift register is enabled and data are clocked in on the falling edges of SCLK; the DAC updates on the 16th SCLK unless SYNC is taken high before that edge, in which case the write is aborted and SYNC acts as an interrupt."
      },
      {
        "number": "2",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input. Data are transferred on the falling edge at clock rates up to 50 MHz. Schmitt-triggered CMOS input."
      },
      {
        "number": "3",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input. Data are clocked into the 16-bit input shift register on the falling edge of SCLK while SYNC is low."
      },
      {
        "number": "4",
        "name": "AVDD/VREF",
        "type": "power_in",
        "description": "Analog power supply input, 2.0 V to 5.5 V. Also serves as the DAC reference voltage that sets the full-scale output range. Should be well decoupled to GND."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference point for all circuitry on the part."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "description": "Buffered analog output from the DAC. Rail-to-rail output amplifier swings from 0 V to AVDD; drives up to 1000 pF capacitive load with RL = 2 kΩ."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/dac7311.pdf",
        "pages": 40,
        "sha256": "212625aa6189ace3",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "dac7311.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dac7311-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5c098a47cf960184c0d80d1b9ed71537cb284a2608cdeb5d6391ed9fbba82a86",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Resolution": "12-bit, 1 channel",
      "Output": "Voltage output (rail-to-rail), VDD reference",
      "Interface": "SPI (up to 50 MHz)",
      "Settling time": "5 us typ",
      "Power-down": "Programmable (3 modes)",
      "Supply voltage": "2.7 V to 5.5 V",
      "Operating temperature": "-40 C to 125 C"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "single DAC",
    "tiny DAC",
    "SPI DAC",
    "12-bit voltage output",
    "low-power DAC"
  ],
  "discovery_pitch": "A 12-bit voltage-output DAC over SPI in a 6-pin package, using the supply as reference for simple set-point generation.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dac7311.kicad_sym",
    "dac7311.kicad_mod",
    "dac7311.glb",
    "dac7311.step",
    "dac7311.lbr",
    "docs/hero.png",
    "docs/dac7311-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dac7311-etched.step"
  ],
  "variants": [
    {
      "mpn": "DAC7311IDCKR",
      "kind": "unknown"
    },
    {
      "mpn": "DAC7311IDCKT",
      "kind": "unknown"
    }
  ]
}