NCT3933U

{
  "schema_version": 1,
  "type": "component",
  "slug": "nct3933u",
  "title": "NCT3933U",
  "brief": "Nuvoton Tech Digital To Analog Converters (DAC), SOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "nct3933u",
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  "component": {
    "mpn": "NCT3933U",
    "manufacturer": "Nuvoton Tech",
    "package": "SOT-23-8",
    "pin_count": 8,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835437381345280",
    "parts": {
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      "lbr": "nct3933u.lbr"
    },
    "distributor_links": {
      "lcsc": "C249428"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:54:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "DC power supply voltage input, 3 V to 5.5 V; the POR threshold at VCC rising is typically 2.6 V, and all outputs are disabled below that level."
      },
      {
        "number": "2",
        "name": "ADD_SEL",
        "type": "input",
        "description": "SMBus slave address select analog input; connect a resistor divider to set one of six addresses (0x2A to 0x20) per Table 1, with the ADD_SEL voltage compared to an internal reference."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SMBus bidirectional serial data, open-drain with TTL-level and Schmitt-trigger inputs and 12 mA sink capability; requires a pull-up resistor (VPULLUP 2.7 V to 5.5 V)."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "SMBus serial clock input with a pull-up resistor required; SMBus input high voltage VIH is 2.1 V minimum and input low voltage VIL is 0.8 V maximum."
      },
      {
        "number": "6",
        "name": "OUT3",
        "type": "output",
        "description": "Analog current output that sinks or sources the current set by the internal OUT3 DAC register (up to ±1270 µA, or ±2540 µA with the twofold setting); the feedback voltage must be between 0.5 V and VCC-1 V for proper operation."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Analog current output that sinks or sources the current set by the internal OUT2 DAC register (up to ±1270 µA, or ±2540 µA with the twofold setting); the feedback voltage must be between 0.5 V and VCC-1 V for proper operation."
      },
      {
        "number": "8",
        "name": "OUT1",
        "type": "output",
        "description": "Analog current output that sinks or sources the current set by the internal OUT1 DAC register (up to ±1270 µA, or ±2540 µA with the twofold setting); the feedback voltage must be between 0.5 V and VCC-1 V for proper operation."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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    "specs": {
      "Manufacturer": "Nuvoton Tech",
      "Package": "SOT-23-8",
      "Category": "Data Acquisition",
      "Pins": "8"
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