MCP4922T-E

{
  "slug": "mcp4922t-e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Digital To Analog Converters (DAC), TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "data acquisition",
    "mcp4922t-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "docs/mcp4922t-e-datasheet.pdf",
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    "viewers/footprint.html",
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    "mcp4922t-e-hero.overlay.json",
    "mcp4922t-e-etched.glb"
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  "component": {
    "mpn": "MCP4922T-E",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589039851656122368",
    "parts": {
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      "footprint": "mcp4922t-e.kicad_mod",
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      "model_3d_plain": "mcp4922t-e-etched.glb",
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      "model_3d_step_plain": "mcp4922t-e.step",
      "lbr": "mcp4922t-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C627414"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:40:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage input, which can range from 2.7V to 5.5V relative to VSS; a 0.1 µF ceramic bypass capacitor with a 10 µF tantalum in parallel is recommended."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Chip Select input that requires an active low signal to enable serial clock and data functions."
      },
      {
        "number": "4",
        "name": "SCK",
        "type": "input",
        "description": "SPI compatible serial clock input."
      },
      {
        "number": "5",
        "name": "SDI",
        "type": "input",
        "description": "SPI compatible serial data input."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "8",
        "name": "LDAC",
        "type": "input",
        "description": "Latch DAC synchronization input; when low, VOUTA and VOUTB are updated simultaneously from their input registers, and it may be tied low (VSS) so updates occur on the rising edge of CS."
      },
      {
        "number": "9",
        "name": "SHDN",
        "type": "input",
        "description": "Hardware shutdown input; when low, both DAC channels are shut down and DAC output is not available."
      },
      {
        "number": "10",
        "name": "VOUTB",
        "type": "output",
        "description": "DAC B output, which the output amplifier can drive over a range of VSS to VDD."
      },
      {
        "number": "11",
        "name": "VREFB",
        "type": "input",
        "description": "DAC B reference voltage input, with a range of VSS to VDD that may be tied to VDD."
      },
      {
        "number": "12",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference point for all circuitry on the device; the analog ground pin and current return path, to be connected through a low-impedance path to a ground plane."
      },
      {
        "number": "13",
        "name": "VREFA",
        "type": "input",
        "description": "DAC A reference voltage input, with a range of VSS to VDD that may be tied to VDD."
      },
      {
        "number": "14",
        "name": "VOUTA",
        "type": "output",
        "description": "DAC A output, which the output amplifier can drive over a range of VSS to VDD."
      }
    ],
    "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 MPN as supplied (MCP4922T-E) does not state the package. The excerpt does not contain the orderi; Pages 2-15 and 18-48 were not provided, so the ordering information and full electrical specificatio"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0397,
        "at": "2026-10-18T13:40:27"
      },
      "datasheet": {
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        "pages": 48,
        "sha256": "8c507a2bce321888",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "file": "mcp4922t-e-etched.step",
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  }
}