MS5194T

{
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  "type": "component",
  "slug": "ms5194t",
  "title": "MS5194T",
  "brief": "Hangzhou Ruimeng Tech Analog To Digital Converters (ADCs), TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "data converters",
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  "component": {
    "mpn": "MS5194T",
    "manufacturer": "Hangzhou Ruimeng Tech",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Data Converters",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a9a69567009e93624f2b01932b65546b.pdf",
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    "distributor_links": {
      "lcsc": "C1509034"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 700 calls left today"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "bidirectional",
        "description": "Clock input/output; provides the internal clock or allows it to be disabled."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Chip select input pin."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "AIN6+/P1",
        "type": "bidirectional",
        "description": "Analog channel 6 positive input / digital output pin P1."
      },
      {
        "number": "6",
        "name": "AIN6-/P2",
        "type": "bidirectional",
        "description": "Analog channel 6 negative input / digital output pin P2."
      },
      {
        "number": "7",
        "name": "AIN1+",
        "type": "input",
        "description": "Analog channel 1 positive input."
      },
      {
        "number": "8",
        "name": "AIN1-",
        "type": "input",
        "description": "Analog channel 1 negative input."
      },
      {
        "number": "9",
        "name": "AIN2+",
        "type": "input",
        "description": "Analog channel 2 positive input."
      },
      {
        "number": "10",
        "name": "AIN2-",
        "type": "input",
        "description": "Analog channel 2 negative input."
      },
      {
        "number": "11",
        "name": "AIN3+",
        "type": "input",
        "description": "Analog channel 3 positive input."
      },
      {
        "number": "12",
        "name": "AIN3-",
        "type": "input",
        "description": "Analog channel 3 negative input."
      },
      {
        "number": "13",
        "name": "REFIN1+",
        "type": "input",
        "description": "Positive reference voltage 1 input."
      },
      {
        "number": "14",
        "name": "REFIN1-",
        "type": "input",
        "description": "Negative reference voltage 1 input."
      },
      {
        "number": "15",
        "name": "AIN5+/IOUT2",
        "type": "bidirectional",
        "description": "Output of the internal excitation current source; can also serve as analog channel 5 positive input."
      },
      {
        "number": "16",
        "name": "AIN5-/IOUT1",
        "type": "bidirectional",
        "description": "Output of the internal excitation current source; can also serve as analog channel 5 negative input."
      },
      {
        "number": "17",
        "name": "AIN4+/REFIN2+",
        "type": "input",
        "description": "Positive reference voltage 2 input; can also serve as analog channel 4 positive input."
      },
      {
        "number": "18",
        "name": "AIN4-/REFIN2-",
        "type": "input",
        "description": "Negative reference voltage 2 input; can also serve as analog channel 4 negative input."
      },
      {
        "number": "19",
        "name": "PSW",
        "type": "input",
        "description": "Low-side power switch to ground."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "21",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage, 2.7V to 5.25V."
      },
      {
        "number": "22",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital interface supply pin, between 2.7V and 5.25V."
      },
      {
        "number": "23",
        "name": "DOUT/RDY",
        "type": "output",
        "description": "Serial data output / data-ready output pin."
      },
      {
        "number": "24",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input."
      }
    ],
    "provenance": {
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        "primary_model": "claude-sonnet-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for CLK (pin 2), AIN5±/IOUT (15,16) and PSW (19) are inferred: datasheet lists CLK as 'I' ; The pinout diagram (page 2) was not available as text; pin assignments come from the pin description"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0981,
        "at": "2026-10-22T23:06:56"
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        "sha256": "5b682b2d793cf770",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 24,
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  "metadata": {
    "specs": {
      "Manufacturer": "Hangzhou Ruimeng Tech",
      "Package": "TSSOP-24",
      "Category": "Data Converters",
      "Pins": "24"
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          "name": "Operating temperature range",
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        {
          "name": "Storage temperature range",
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          "name": "Soldering temperature",
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        {
          "name": "ESD voltage (HBM)",
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          "name": "Integral nonlinearity",
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          "name": "Offset error drift",
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          "name": "Gain drift",
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          "kind": "electrical",
          "unit": "ppm/°C",
          "min": null,
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        {
          "name": "Power supply rejection",
          "symbol": "",
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          "unit": "dB",
          "min": null,
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          "max": null,
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          "name": "Analog input current",
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          "name": "Analog input current",
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          "name": "Analog input current drift",
          "symbol": "",
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          "unit": "pA/°C",
          "min": -2,
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          "conditions": "buffered mode or in-amp on",
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        {
          "name": "Analog input current vs voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA/V",
          "min": -400,
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          "conditions": "input buffer off",
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          "name": "Analog input current drift",
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          "name": "Common-mode rejection (dc)",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
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          "conditions": "AIN = 1 V/gain, gain >= 4",
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          "name": "Internal reference drift",
          "symbol": "",
          "kind": "temperature_coefficient",
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          "min": null,
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          "name": "External reference voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": 2.5,
          "max": null,
          "conditions": "max AVDD",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Excitation current initial tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
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          "name": "Excitation current drift",
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          "name": "Excitation current matching",
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          "name": "Low-side switch on resistance",
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          "name": "Low-side switch allowed current",
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          "name": "CS input low voltage",
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          "name": "Input current",
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