SL121S021

{
  "slug": "sl121s021",
  "version": "0.1.0",
  "type": "component",
  "description": "Slkor SLKORMICRO Elec 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",
    "sl121s021",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sl121s021.kicad_sym",
    "sl121s021.kicad_mod",
    "sl121s021.glb",
    "sl121s021.step",
    "sl121s021.lbr",
    "docs/hero.png",
    "docs/sl121s021-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sl121s021-hero.glb",
    "sl121s021-hero.overlay.json",
    "sl121s021-etched.glb"
  ],
  "component": {
    "mpn": "SL121S021",
    "manufacturer": "Slkor SLKORMICRO Elec",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604447502154551296",
    "parts": {
      "symbol": "sl121s021.kicad_sym",
      "footprint": "sl121s021.kicad_mod",
      "model_3d": "sl121s021-hero.glb",
      "model_3d_plain": "sl121s021-etched.glb",
      "model_3d_step": "sl121s021-etched.step",
      "model_3d_step_plain": "sl121s021.step",
      "lbr": "sl121s021.lbr"
    },
    "distributor_links": {
      "lcsc": "C33962577"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:20:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      },
      "mouser": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VA",
        "type": "power_in",
        "description": "Power supply input for the 3.3 V to 5.25 V single supply, which also serves as the ADC reference voltage; VA must be set greater than or equal to the maximum VIN signal to avoid saturating 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 with a range of 0 V to VA."
      },
      {
        "number": "4",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input that directly controls the conversion and readout process."
      },
      {
        "number": "5",
        "name": "SDATA",
        "type": "output",
        "description": "Serial data output; it enters tri-state after the 16th falling edge of SCLK, which ends the conversion cycle."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select; a falling edge starts a conversion cycle and the device wakes from auto power-down, and pulling CS 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 gives the 6-pin SOT-23 pin table (pin number and name) but the package drawing and pin; Pin 5 (SDATA) and Pin 6 (CS) descriptions include timing behavior drawn from the section 4-5 text on; The datasheet text is in Chinese and the descriptions above are translated into English; the pin nam"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0277,
        "at": "2026-10-18T00:19:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604447502154551296",
        "pages": 4,
        "sha256": "c2d8c07bf9af64d9",
        "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": "sl121s021.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sl121s021-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "27bc7aa29986035785c14a5200bf656fddec0200dd1b9ca931214918d9473dc7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}