ADS8331IBPWR

{
  "slug": "ads8331ibpwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads8331ibpwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads8331ibpwr.kicad_sym",
    "ads8331ibpwr.kicad_mod",
    "ads8331ibpwr.glb",
    "ads8331ibpwr.step",
    "ads8331ibpwr.lbr",
    "docs/hero.png",
    "docs/ads8331ibpwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads8331ibpwr-hero.glb",
    "ads8331ibpwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "ADS8331IBPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads8331",
    "parts": {
      "symbol": "ads8331ibpwr.kicad_sym",
      "footprint": "ads8331ibpwr.kicad_mod",
      "model_3d": "ads8331ibpwr-hero.glb",
      "model_3d_plain": "ads8331ibpwr.glb",
      "model_3d_step": "ads8331ibpwr-etched.step",
      "model_3d_step_plain": "ads8331ibpwr.step",
      "lbr": "ads8331ibpwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2670499",
      "digikey": "ADS8331IBPWR-ND",
      "mouser": "595-ADS8331IBPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T09:09:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADS8331IBPWR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS8331IBPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1",
        "type": "input",
        "description": "Mux input channel 1; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
      },
      {
        "number": "2",
        "name": "IN2",
        "type": "input",
        "description": "Mux input channel 2; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
      },
      {
        "number": "3",
        "name": "IN3",
        "type": "input",
        "description": "Mux input channel 3; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection (ADS8331 only)."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection (ADS8331 only)."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection (ADS8331 only)."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection (ADS8331 only)."
      },
      {
        "number": "8",
        "name": "RESET",
        "type": "input",
        "description": "External reset, active low."
      },
      {
        "number": "9",
        "name": "EOC/INT/CDI",
        "type": "bidirectional",
        "description": "Programmable status output (EOC low during conversion by default, or INT low after end of conversion and high after FS/CS goes low, with programmable polarity), also usable as chain data input (CDI) in daisy-chain mode."
      },
      {
        "number": "10",
        "name": "SCLK",
        "type": "input",
        "description": "SPI clock for the serial interface, up to 40 MHz at VA = VBD = 5 V."
      },
      {
        "number": "11",
        "name": "FS/CS",
        "type": "input",
        "description": "Frame sync signal for a DSP (such as TMS320 DSP) or chip select input for SPI."
      },
      {
        "number": "12",
        "name": "SDI",
        "type": "input",
        "description": "SPI serial data input."
      },
      {
        "number": "13",
        "name": "SDO",
        "type": "output",
        "description": "SPI serial data output."
      },
      {
        "number": "14",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital interface ground."
      },
      {
        "number": "15",
        "name": "CONVST",
        "type": "input",
        "description": "Conversion start input that freezes the sample and hold and starts conversion."
      },
      {
        "number": "16",
        "name": "VBD",
        "type": "power_in",
        "description": "Digital interface supply, 1.65 V to VA + 0.2 V recommended."
      },
      {
        "number": "17",
        "name": "VA",
        "type": "power_in",
        "description": "Analog supply, 2.7 V to 5.5 V."
      },
      {
        "number": "18",
        "name": "REF+",
        "type": "input",
        "description": "External reference input; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
      },
      {
        "number": "19",
        "name": "REF-",
        "type": "power_in",
        "description": "External reference ground, to be connected to AGND through an individual via on the printed-circuit board."
      },
      {
        "number": "20",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "21",
        "name": "ADCIN",
        "type": "input",
        "description": "ADC input; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
      },
      {
        "number": "22",
        "name": "MUXOUT",
        "type": "output",
        "description": "Mux output."
      },
      {
        "number": "23",
        "name": "COM",
        "type": "input",
        "description": "Common ADC input, usually connected to AGND."
      },
      {
        "number": "24",
        "name": "IN0",
        "type": "input",
        "description": "Mux input channel 0; absolute maximum -0.3 V to VA + 0.3 V relative to AGND."
      }
    ],
    "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": [
          "extractor flagged: Pin descriptions for IN0-IN3 (pins 1-3, 24) derived from document context showing IN[0:3] at these p"
        ],
        "pages_sent": 11,
        "cost_usd": 0.2056,
        "at": "2026-10-07T09:09:24"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads8331",
        "pages": 62,
        "sha256": "6d4028ed191231f0",
        "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"
    },
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        "file": "ads8331ibpwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads8331ibpwr-etched.step",
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        "sha256": "ca60f203dfc37f0452a0d4249aad81d2352423c89a46be8f95a9d3063a5fe90f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  }
}