XCS7478

{
  "slug": "xcs7478",
  "version": "0.1.0",
  "type": "component",
  "description": "Si Change Analog To Digital Converters (ADC), SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "xcs7478",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "xcs7478.kicad_mod",
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    "xcs7478.lbr",
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    "docs/xcs7478-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "xcs7478-hero.overlay.json",
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  "component": {
    "mpn": "XCS7478",
    "manufacturer": "Si Change",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603387358947655680",
    "parts": {
      "symbol": "xcs7478.kicad_sym",
      "footprint": "xcs7478.kicad_mod",
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      "lbr": "xcs7478.lbr"
    },
    "distributor_links": {
      "lcsc": "C23377956"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:30:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, which also serves as the reference voltage for the ADC; the datasheet specifies a single supply of 4 V to 5.25 V and says VDD must be greater than or equal to the maximum VIN input to avoid saturation at the maximum conversion code."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Analog input signal ground and the common circuit ground reference to which all analog and digital signals are referenced."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Single-ended analog signal input with an input range of 0 V to VDD."
      },
      {
        "number": "4",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input that provides the serial clock and acts as the clock source for the conversion process."
      },
      {
        "number": "5",
        "name": "SDATA",
        "type": "output",
        "description": "Serial data output that delivers the conversion result as a stream beginning with four leading zeros, MSB first, and goes tri-state after the 12th falling edge of SCLK."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select that both starts a conversion and frames the serial data output; CS must stay low for the 12 SCLK cycles, and driving it high before 10 SCLK cycles aborts the conversion."
      }
    ],
    "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's pin diagram (引脚图) is an image not present in the extracted text, so pin numbers were; The datasheet only describes the 6-pin SOT-23 package for XCS7478, so no other package variant was n"
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        "pages_sent": 4,
        "cost_usd": 0.0265,
        "at": "2026-10-18T22:28:11"
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        "pages": 4,
        "sha256": "1393f8253374e7e5",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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}