PCM1809IRTER

{
  "slug": "pcm1809irter",
  "version": "0.1.0",
  "type": "component",
  "description": "TI(德州仪器) , WQFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "ic",
    "pcm1809irter",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pcm1809irter.kicad_sym",
    "pcm1809irter.kicad_mod",
    "pcm1809irter.glb",
    "pcm1809irter.step",
    "pcm1809irter.lbr",
    "docs/hero.png",
    "docs/pcm1809irter-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pcm1809irter-hero.glb",
    "pcm1809irter-hero.overlay.json",
    "pcm1809irter-etched.glb"
  ],
  "component": {
    "mpn": "PCM1809IRTER",
    "manufacturer": "TI(德州仪器)",
    "package": "WQFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://www.ti.com/lit/ds/symlink/pcm1809.pdf?ts=1723810813788",
    "parts": {
      "symbol": "pcm1809irter.kicad_sym",
      "footprint": "pcm1809irter.kicad_mod",
      "model_3d": "pcm1809irter-hero.glb",
      "model_3d_plain": "pcm1809irter-etched.glb",
      "model_3d_step": "pcm1809irter-etched.step",
      "model_3d_step_plain": "pcm1809irter.step",
      "lbr": "pcm1809irter.lbr"
    },
    "distributor_links": {
      "lcsc": "C38558044",
      "digikey": "296-PCM1809IRTERTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T20:29:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-PCM1809IRTERTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1P",
        "type": "input",
        "description": "Analog input 1P pin, used for the positive side of channel 1 differential or single-ended line/microphone input."
      },
      {
        "number": "2",
        "name": "IN1M",
        "type": "input",
        "description": "Analog input 1M pin, which can be grounded directly for a single-ended channel 1 input."
      },
      {
        "number": "3",
        "name": "IN2P",
        "type": "input",
        "description": "Analog input 2P pin, used for the positive side of channel 2 differential or single-ended line/microphone input."
      },
      {
        "number": "4",
        "name": "IN2M",
        "type": "input",
        "description": "Analog input 2M pin, which can be grounded directly for a single-ended channel 2 input."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Analog supply ground pin that must be shorted directly to the board ground plane."
      },
      {
        "number": "6",
        "name": "SDOUT",
        "type": "output",
        "description": "Audio serial data interface bus output."
      },
      {
        "number": "7",
        "name": "BCLK",
        "type": "bidirectional",
        "description": "Audio serial data interface bus bit clock."
      },
      {
        "number": "8",
        "name": "FSYNC",
        "type": "bidirectional",
        "description": "Audio serial data interface bus frame synchronization signal."
      },
      {
        "number": "9",
        "name": "IOVDD",
        "type": "power_in",
        "description": "Digital I/O power supply, 1.8 V or 3.3 V nominal (1.65 to 1.95 V or 3.0 to 3.6 V)."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Analog supply ground pin that must be shorted directly to the board ground plane."
      },
      {
        "number": "11",
        "name": "MD1",
        "type": "input",
        "description": "Device configuration mode select 1 pin, which also serves as the MCLK input in controller mode."
      },
      {
        "number": "12",
        "name": "MD0",
        "type": "input",
        "description": "Device configuration mode select 0 pin, which selects 256 × fS (low) or 512 × fS (high) MCLK in controller mode."
      },
      {
        "number": "13",
        "name": "MSZ",
        "type": "input",
        "description": "Audio interface bus controller or target select pin."
      },
      {
        "number": "14",
        "name": "DREG",
        "type": "power_out",
        "description": "Digital regulator output voltage for the digital core supply, 1.5 V nominal."
      },
      {
        "number": "15",
        "name": "VSS",
        "type": "power_in",
        "description": "Analog supply ground pin that must be shorted directly to the board ground plane."
      },
      {
        "number": "16",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 3.3 V nominal (3.0 to 3.6 V)."
      },
      {
        "number": "17",
        "name": "AREG",
        "type": "power_out",
        "description": "Analog on-chip regulator output voltage for the analog supply, 1.8 V nominal."
      },
      {
        "number": "18",
        "name": "VREF",
        "type": "power_in",
        "description": "Analog reference voltage filter output (2.75 V) that needs a minimum 1-µF capacitor to analog ground and no external load."
      },
      {
        "number": "19",
        "name": "FMT0",
        "type": "input",
        "description": "Audio interface format select pin referred to the AVDD supply."
      },
      {
        "number": "20",
        "name": "VSS",
        "type": "power_in",
        "description": "Analog supply ground pin that must be shorted directly to the board ground plane."
      },
      {
        "number": "21",
        "name": "VSS",
        "type": "power_in",
        "description": "Thermal pad shorted to internal device ground, to be shorted directly to the board ground plane."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Exposed thermal pad number '21' is taken from the package drawing on page 29; the pin table lists it; Pin types for DREG/AREG (power_out) and VREF (passive) are inferred from the descriptions; the datas"
        ],
        "pages_sent": 10,
        "cost_usd": 0.1264,
        "at": "2026-10-22T20:28:46"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/pcm1809.pdf?ts=1723810813788",
        "pages": 32,
        "sha256": "d29bee15afa84467",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pcm1809irter.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0ee4e1082236390795238cd34b082d96efd160d6292c636cc40201a5a30cdc63",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pcm1809irter-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f81d104bde323050bd9bc736e71b6dbf06eefdeb46fb43c1a82cd38a886930ab",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}