MAX31856MUD+

{
  "slug": "max31856mud",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Inc Maxim Integrated ADCs/DACs - Special Purpose, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "max31856mud+",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "max31856mud.kicad_sym",
    "max31856mud.kicad_mod",
    "max31856mud.glb",
    "max31856mud.step",
    "max31856mud.lbr",
    "docs/hero.png",
    "docs/max31856mud-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max31856mud-hero.glb",
    "max31856mud-hero.overlay.json",
    "max31856mud-etched.glb"
  ],
  "component": {
    "mpn": "MAX31856MUD+",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Data Acquisition",
    "subcategory": "ADCs/DACs - Special Purpose",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882483379519488",
    "parts": {
      "symbol": "max31856mud.kicad_sym",
      "footprint": "max31856mud.kicad_mod",
      "model_3d": "max31856mud-hero.glb",
      "model_3d_plain": "max31856mud-etched.glb",
      "model_3d_step": "max31856mud-etched.step",
      "model_3d_step_plain": "max31856mud.step",
      "lbr": "max31856mud.lbr"
    },
    "distributor_links": {
      "lcsc": "C116632",
      "digikey": "MAX31856MUD+-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:02:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX31856MUD+-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for the thermocouple front end and the analog supply AVDD."
      },
      {
        "number": "2",
        "name": "BIAS",
        "type": "power_out",
        "description": "Bias voltage source nominally 0.735V that sets the common-mode voltage of T-; it is floating when no conversions are taking place."
      },
      {
        "number": "3",
        "name": "T-",
        "type": "input",
        "description": "Thermocouple negative input, biased to approximately 0.735V by BIAS; see Table 1 of the datasheet for input configuration."
      },
      {
        "number": "4",
        "name": "T+",
        "type": "input",
        "description": "Thermocouple positive input, protected against overvoltage up to ±45V."
      },
      {
        "number": "5",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog positive supply, to be bypassed with a 0.1µF capacitor to AGND."
      },
      {
        "number": "6",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do Not Connect; leave this pin unconnected."
      },
      {
        "number": "7",
        "name": "DRDY",
        "type": "output",
        "description": "Data Ready output that signals when a new conversion result is available."
      },
      {
        "number": "8",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital positive supply, to be bypassed with a 0.1µF capacitor to DGND."
      },
      {
        "number": "9",
        "name": "CS",
        "type": "input",
        "description": "Chip Select; set low to enable the serial interface."
      },
      {
        "number": "10",
        "name": "SCK",
        "type": "input",
        "description": "Serial clock input for the SPI-compatible interface."
      },
      {
        "number": "11",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output of the SPI-compatible interface."
      },
      {
        "number": "12",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input of the SPI-compatible interface."
      },
      {
        "number": "13",
        "name": "FAULT",
        "type": "output",
        "description": "Output that flags cable, thermocouple, or temperature faults."
      },
      {
        "number": "14",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for the digital supply DVDD."
      }
    ],
    "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 page 10 pin-configuration diagram text is scrambled (e.g., 'T+ SDO', 'T- BIAS'), so the pinout w; Pin type for BIAS is classified as power_out because it is a voltage source output; the datasheet do"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0317,
        "at": "2026-10-18T11:01:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882483379519488",
        "pages": 30,
        "sha256": "385702a94433d75e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "max31856mud.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          5.0,
          1.0
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max31856mud-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
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        "sha256": "9ed327038ec591cb1a1d6a95e041d25118574b77709ff794b836db028af13739",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}