main
Ray Publish 0.1.0 39d9fb5 21h ago
{
  "slug": "ads1211u",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads1211u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1211u.kicad_sym",
    "ads1211u.kicad_mod",
    "ads1211u.glb",
    "ads1211u.step",
    "ads1211u.lbr",
    "docs/hero.png",
    "docs/ads1211u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads1211u-hero.glb",
    "ads1211u-hero.overlay.json"
  ],
  "component": {
    "mpn": "ADS1211U",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-24-300mil",
    "pin_count": 24,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads1211",
    "parts": {
      "symbol": "ads1211u.kicad_sym",
      "footprint": "ads1211u.kicad_mod",
      "model_3d": "ads1211u-hero.glb",
      "model_3d_plain": "ads1211u.glb",
      "model_3d_step": "ads1211u-etched.step",
      "model_3d_step_plain": "ads1211u.step",
      "lbr": "ads1211u.lbr"
    },
    "distributor_links": {
      "lcsc": "C189448",
      "digikey": "ADS1211U-ND",
      "mouser": "595-ADS1211U"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T13:46:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADS1211U-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS1211U",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AIN3N",
        "type": "input",
        "description": "Inverting input for Channel 3 with voltage limits from AGND -0.3V to AVDD +0.3V."
      },
      {
        "number": "2",
        "name": "AIN2P",
        "type": "input",
        "description": "Noninverting input for Channel 2 with voltage limits from AGND -0.3V to AVDD +0.3V."
      },
      {
        "number": "3",
        "name": "AIN2N",
        "type": "input",
        "description": "Inverting input for Channel 2 with voltage limits from AGND -0.3V to AVDD +0.3V."
      },
      {
        "number": "4",
        "name": "AIN1P",
        "type": "input",
        "description": "Noninverting input for Channel 1 with voltage limits from AGND -0.3V to AVDD +0.3V."
      },
      {
        "number": "5",
        "name": "AIN1N",
        "type": "input",
        "description": "Inverting input for Channel 1 with voltage limits from AGND -0.3V to AVDD +0.3V."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuits."
      },
      {
        "number": "7",
        "name": "VBIAS",
        "type": "power_out",
        "description": "Bias voltage output providing +3.3V nominal to external circuits."
      },
      {
        "number": "8",
        "name": "CS",
        "type": "input",
        "description": "Chip select input for serial interface synchronization."
      },
      {
        "number": "9",
        "name": "DSYNC",
        "type": "input",
        "description": "Control input to synchronize output data of multiple converters."
      },
      {
        "number": "10",
        "name": "XIN",
        "type": "input",
        "description": "System clock input for external crystal or oscillator."
      },
      {
        "number": "11",
        "name": "XOUT",
        "type": "output",
        "description": "System clock output for crystal or resonator connection."
      },
      {
        "number": "12",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for all digital circuits."
      },
      {
        "number": "13",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply at +5V nominal with range 4.75V to 5.25V, must not exceed AVDD +0.3V."
      },
      {
        "number": "14",
        "name": "SCLK",
        "type": "bidirectional",
        "description": "Serial clock input/output for synchronous serial data transfer."
      },
      {
        "number": "15",
        "name": "SDIO",
        "type": "bidirectional",
        "description": "Serial data input with capability to function as serial data output."
      },
      {
        "number": "16",
        "name": "SDOUT",
        "type": "output",
        "description": "Serial data output for transmission of conversion results with tri-state capability."
      },
      {
        "number": "17",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready output signal indicating completion of conversion."
      },
      {
        "number": "18",
        "name": "MODE",
        "type": "input",
        "description": "Mode select input determining operation as Master (1) or Slave (0)."
      },
      {
        "number": "19",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply at +5V nominal with operating range 4.75V to 5.25V."
      },
      {
        "number": "20",
        "name": "REFOUT",
        "type": "power_out",
        "description": "Reference voltage output providing +2.5V nominal."
      },
      {
        "number": "21",
        "name": "REFIN",
        "type": "input",
        "description": "Reference input with voltage limits from AGND -0.3V to AVDD +0.3V."
      },
      {
        "number": "22",
        "name": "AIN4P",
        "type": "input",
        "description": "Noninverting input for Channel 4 with voltage limits from AGND -0.3V to AVDD +0.3V."
      },
      {
        "number": "23",
        "name": "AIN4N",
        "type": "input",
        "description": "Inverting input for Channel 4 with voltage limits from AGND -0.3V to AVDD +0.3V."
      },
      {
        "number": "24",
        "name": "AIN3P",
        "type": "input",
        "description": "Noninverting input for Channel 3 with voltage limits from AGND -0.3V to AVDD +0.3V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 14,
        "cost_usd": 0.1766,
        "at": "2026-10-07T13:46:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads1211",
        "pages": 48,
        "sha256": "2cc9abe579c33ee4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads1211u.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4b0d20f82f5b0124fecfe11c941274a3c865a30f7baee8b8fadd7df55972d4cd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1211u-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0681ae18a5394f108e5982bba1269c3ecf121c53aafc78d27151743555a276d8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}