MAX31856MUD+T

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  "type": "component",
  "slug": "max31856mud-t",
  "title": "MAX31856MUD+T",
  "brief": "Analog Devices Inc Maxim Integrated ADCs/DACs - Special Purpose, TSSOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "MAX31856MUD+T",
    "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/8588942369190793216",
    "parts": {
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      "footprint": "max31856mud-t.kicad_mod",
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      "model_3d_step": "max31856mud-t-etched.step",
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    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground. Return for the analog supply (AVDD) and the analog front-end referenced to this pin."
      },
      {
        "number": "2",
        "name": "BIAS",
        "type": "output",
        "description": "Bias voltage source, nominally 0.735V with ~2kΩ output resistance. Provides common-mode bias for the thermocouple inputs; floats when no conversions are taking place."
      },
      {
        "number": "3",
        "name": "T-",
        "type": "input",
        "description": "Thermocouple negative input. Connects to the negative wire of the thermocouple; internally protected to ±45V."
      },
      {
        "number": "4",
        "name": "T+",
        "type": "input",
        "description": "Thermocouple positive input. Connects to the positive wire of the thermocouple; internally protected to ±45V."
      },
      {
        "number": "5",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog positive supply, 3.0V to 3.6V (3.3V nominal). Bypass with a 0.1µF capacitor to AGND. Must be within ±100mV of DVDD."
      },
      {
        "number": "6",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do Not Connect. Leave this pin floating; do not tie to any signal or supply rail."
      },
      {
        "number": "7",
        "name": "DRDY",
        "type": "output",
        "description": "Active-low data ready output. Asserts low when a new conversion result is available in the Linearized Thermocouple Temperature register; returns high after a read of that register (or the Cold-Junction register when enabled)."
      },
      {
        "number": "8",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital positive supply, 3.0V to 3.6V (3.3V nominal). Bypass with a 0.1µF capacitor to DGND. Must be within ±100mV of AVDD."
      },
      {
        "number": "9",
        "name": "CS",
        "type": "input",
        "description": "Active-low SPI chip select. Drive low to initiate a SPI transfer and enable the serial interface; drive high to terminate the transfer and place SDO in high impedance."
      },
      {
        "number": "10",
        "name": "SCK",
        "type": "input",
        "description": "SPI serial clock input, up to 5MHz. Either polarity (CPOL=0 or 1) is supported; CPHA must be set to 1."
      },
      {
        "number": "11",
        "name": "SDO",
        "type": "tri_state",
        "description": "SPI serial data output (MISO). Shifts data out MSB-first on the SCLK strobe edge when CS is low; high impedance when CS is high."
      },
      {
        "number": "12",
        "name": "SDI",
        "type": "input",
        "description": "SPI serial data input (MOSI). Address and write-data bytes are latched MSB-first on the SCLK strobe edge while CS is low."
      },
      {
        "number": "13",
        "name": "FAULT",
        "type": "output",
        "description": "Active-low fault output. Asserts when a cable open-circuit, thermocouple over/undervoltage, or a temperature threshold (linearized thermocouple or cold-junction) fault is detected, unless masked by the fault mask register."
      },
      {
        "number": "14",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground. Return for the digital supply (DVDD) and the SPI/logic pins."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
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        "pages": 30,
        "sha256": "385702a94433d75e",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices Inc Maxim Integrated",
      "Package": "TSSOP-14",
      "Category": "Data Acquisition",
      "Pins": "14"
    }
  },
  "variants": [
    {
      "mpn": "MAX31856MUD+T",
      "kind": "packaging"
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  "discovery_pitch": "MAX31856MUD+T (Analog Devices Inc Maxim Integrated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "updated_at": "2026-09-28T18:28:37.426Z"
}