MS5542

{
  "slug": "ms5542",
  "version": "0.1.0",
  "type": "component",
  "description": "Hangzhou Ruimeng Tech Digital To Analog Converters (DAC), SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ms5542",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ms5542.kicad_sym",
    "ms5542.kicad_mod",
    "ms5542.glb",
    "ms5542.step",
    "ms5542.lbr",
    "docs/hero.png",
    "docs/ms5542-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ms5542-hero.glb",
    "ms5542-hero.overlay.json",
    "ms5542-etched.glb"
  ],
  "component": {
    "mpn": "MS5542",
    "manufacturer": "Hangzhou Ruimeng Tech",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908175437271040",
    "parts": {
      "symbol": "ms5542.kicad_sym",
      "footprint": "ms5542.kicad_mod",
      "model_3d": "ms5542-hero.glb",
      "model_3d_plain": "ms5542-etched.glb",
      "model_3d_step": "ms5542-etched.step",
      "model_3d_step_plain": "ms5542.step",
      "lbr": "ms5542.lbr"
    },
    "distributor_links": {
      "lcsc": "C1509048"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:12:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RFB",
        "type": "output",
        "description": "Resistive feedback pin that connects to the external op-amp output in bipolar mode (typical feedback resistor 28 kΩ per the bipolar circuit)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "output",
        "description": "DAC analog output voltage; unbuffered and able to drive a 60 kΩ load, with unipolar output range 0 V to VREF−1LSB."
      },
      {
        "number": "3",
        "name": "AGNDF",
        "type": "power_in",
        "description": "Analog reference ground, part of the Kelvin-connected analog ground pair with AGNDS."
      },
      {
        "number": "4",
        "name": "AGNDS",
        "type": "power_in",
        "description": "Analog reference ground, part of the Kelvin-connected analog ground pair with AGNDF."
      },
      {
        "number": "5",
        "name": "REFS",
        "type": "input",
        "description": "DAC input reference voltage (load side); connect an external 2.5 V reference, with a valid range of 2 V to VDD."
      },
      {
        "number": "6",
        "name": "REFF",
        "type": "input",
        "description": "DAC input reference voltage (sense side); connect an external 2.5 V reference, with a valid range of 2 V to VDD."
      },
      {
        "number": "7",
        "name": "CS",
        "type": "input",
        "description": "Chip-select logic input that enables frame transfer; data is loaded only while CS is low, and a low-to-high transition transfers the serial register to the DAC register when LDAC is low."
      },
      {
        "number": "8",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input; data is shifted into the serial input register on the rising edge, with a maximum clock rate of 20 MHz."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "10",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input for 16-bit words, clocked in on the SCLK rising edge with MSB first."
      },
      {
        "number": "11",
        "name": "LDAC",
        "type": "input",
        "description": "Load DAC control; when driven low, the DAC register is updated synchronously with the serial input register contents."
      },
      {
        "number": "12",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference, specified at 0 V relative to AGND."
      },
      {
        "number": "13",
        "name": "INV",
        "type": "output",
        "description": "Connects to the DAC internal scaling resistor; in bipolar mode it connects to the external op-amp inverting input."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply, specified from 2.7 V to 5.5 V."
      }
    ],
    "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 datasheet states a Kelvin detection connection for the analog ground pins but does not explicitl; The SOP14 pin diagram text in the extracted PDF is scrambled; pin assignments were taken from the pr"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0546,
        "at": "2026-10-18T14:12:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908175437271040",
        "pages": 20,
        "sha256": "2fda6c470952131c",
        "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": "ms5542.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ms5542-etched.step",
        "role": "eda",
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        "sha256": "bde9c7c1dc54d15546e02ee257ff0dc104a0f947c4d97883b37b8a9bd999bb80",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}