main
Ray Set visibility: public b3bc72d 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "xc7887",
  "title": "XC7887",
  "brief": "Si Change Analog To Digital Converters (ADC), SOT-23-6. 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",
    "xc7887",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "XC7887",
    "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/8603387349435379712",
    "parts": {
      "symbol": "xc7887.kicad_sym",
      "footprint": "xc7887.kicad_mod",
      "model_3d": "xc7887-hero.glb",
      "model_3d_plain": "xc7887-etched.glb",
      "model_3d_step": "xc7887-etched.step",
      "model_3d_step_plain": "xc7887.step",
      "lbr": "xc7887.lbr"
    },
    "distributor_links": {
      "lcsc": "C23377952"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:16:48Z",
      "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, also serving as the ADC reference voltage; the datasheet specifies a single supply of 4 V to 5.25 V and says VDD should be kept at or above the maximum VIN input to avoid saturation at the maximum conversion code."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Analog input signal ground; all analog and digital signals are referenced to this pin."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Analog signal input for the single-ended, unipolar 0 V to VDD input range."
      },
      {
        "number": "4",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input that drives the conversion sequence, with the serial interface rated up to 16 MHz; a conversion starts on the CS falling edge and the data is read out on SCLK."
      },
      {
        "number": "5",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output that delivers the conversion result MSB first after four leading zeros, and returns to tri-state at the 14th falling edge of SCLK to end the conversion cycle."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select that starts a conversion on its falling edge and must be taken high after 14 SCLK cycles; it must stay high for at least 1 µs after SDO tri-states before the next 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": [],
        "pages_sent": 4,
        "cost_usd": 0.0264,
        "at": "2026-10-17T17:14:54"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603387349435379712",
        "pages": 4,
        "sha256": "ad508366ed5fe7fd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "xc7887.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xc7887-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d452aa2cc8c893b5bcd8d0d4155c73290162a71308e4654f3d4565a5aa3638a1",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Si Change",
      "Package": "SOT-23-6",
      "Category": "Data Acquisition",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ad508366ed5fe7fd3182e51778ba6f6db4c39626a037677e421e37a4b4cd0ea9",
      "rows": [
        {
          "name": "Supply voltage (single supply)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 5.25,
          "conditions": "Single-supply operation; the datasheet calls this the operating voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum sample rate",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "KSPS",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Serial interface clock (SCLK) maximum",
          "symbol": "SCLK",
          "kind": "timing",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "Serial interface, up to 16 MHz SPI",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Integral nonlinearity (INL)",
          "symbol": "INL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Differential nonlinearity (DNL)",
          "symbol": "DNL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -0.75,
          "typ": null,
          "max": 0.75,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Resolution",
          "symbol": "",
          "kind": "electrical",
          "unit": "bit",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Signal-to-noise and distortion ratio (SNR)",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 61.5,
          "max": null,
          "conditions": "@100 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion (THD)",
          "symbol": "THD",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -74.5,
          "max": null,
          "conditions": "@100 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Low-power consumption at 5 V, 800 KSPS",
          "symbol": "",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": 5.1,
          "max": null,
          "conditions": "5 V, 800 KSPS, typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Low-power consumption at 4 V, 800 KSPS",
          "symbol": "",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": 3.1,
          "max": null,
          "conditions": "4 V, 800 KSPS, typical",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xc7887"
  ],
  "discovery_pitch": "XC7887 (Si Change) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xc7887.kicad_sym",
    "xc7887.kicad_mod",
    "xc7887.glb",
    "xc7887.step",
    "xc7887.lbr",
    "docs/hero.png",
    "docs/xc7887-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xc7887-hero.glb",
    "xc7887-hero.overlay.json",
    "xc7887-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}