PCM1801U

{
  "slug": "pcm1801u",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments ADCs/DACs - Special Purpose, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "pcm1801u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pcm1801u.kicad_sym",
    "pcm1801u.kicad_mod",
    "pcm1801u.glb",
    "pcm1801u.step",
    "pcm1801u.lbr",
    "docs/hero.png",
    "docs/pcm1801u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pcm1801u-hero.glb",
    "pcm1801u-hero.overlay.json"
  ],
  "component": {
    "mpn": "PCM1801U",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Data Acquisition",
    "subcategory": "ADCs/DACs - Special Purpose",
    "datasheet": "https://www.ti.com/cn/lit/gpn/pcm1801",
    "parts": {
      "symbol": "pcm1801u.kicad_sym",
      "footprint": "pcm1801u.kicad_mod",
      "model_3d": "pcm1801u-hero.glb",
      "model_3d_plain": "pcm1801u.glb",
      "model_3d_step": "pcm1801u-etched.step",
      "model_3d_step_plain": "pcm1801u.step",
      "lbr": "pcm1801u.lbr"
    },
    "distributor_links": {
      "lcsc": "C2866669",
      "digikey": "PCM1801U-ND",
      "mouser": "595-PCM1801U"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:42:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "PCM1801U-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-PCM1801U",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VINL",
        "type": "input",
        "description": "Left-channel analog input with a full-scale input of 2.828 Vp-p, a 2.1 V center voltage and 30 kΩ input impedance."
      },
      {
        "number": "2",
        "name": "VINR",
        "type": "input",
        "description": "Right-channel analog input with a full-scale input of 2.828 Vp-p, a 2.1 V center voltage and 30 kΩ input impedance."
      },
      {
        "number": "3",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground, not internally connected to AGND, and should be connected directly to AGND under the package with low impedance."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply, 4.5 V to 5.5 V (5 V nominal)."
      },
      {
        "number": "5",
        "name": "SCKI",
        "type": "input",
        "description": "System clock input (Schmitt-trigger, TTL family) that must be 256 fS, 384 fS, or 512 fS, with an 8.192 MHz to 24.576 MHz range."
      },
      {
        "number": "6",
        "name": "BCK",
        "type": "input",
        "description": "Bit clock input (Schmitt-trigger) for the audio data interface, with a minimum BCK period of 300 ns."
      },
      {
        "number": "7",
        "name": "LRCK",
        "type": "input",
        "description": "Sampling clock (word clock) input (Schmitt-trigger), which must be synchronized to SCKI, over a 4 kHz to 48 kHz sampling range."
      },
      {
        "number": "8",
        "name": "DOUT",
        "type": "output",
        "description": "Audio data output, forced to zero during power-on reset, with a recommended load capacitance of 10 pF maximum."
      },
      {
        "number": "9",
        "name": "BYPAS",
        "type": "input",
        "description": "HPF bypass control with a 100-kΩ typical internal pulldown; LOW enables the high-pass (dc cut) filter and HIGH bypasses it."
      },
      {
        "number": "10",
        "name": "FMT",
        "type": "input",
        "description": "Audio data format select with a 100-kΩ typical internal pulldown; LOW selects 16-bit left-justified and HIGH selects 16-bit I2S."
      },
      {
        "number": "11",
        "name": "VCC",
        "type": "power_in",
        "description": "Analog power supply, 4.5 V to 5.5 V (5 V nominal)."
      },
      {
        "number": "12",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, not internally connected to DGND."
      },
      {
        "number": "13",
        "name": "VREF2",
        "type": "passive",
        "description": "Reference 2 decoupling pin; a 4.7 µF tantalum capacitor is recommended from VREF2 to AGND, placed as close as possible to the pin."
      },
      {
        "number": "14",
        "name": "VREF1",
        "type": "passive",
        "description": "Reference 1 decoupling pin; a 4.7 µF tantalum capacitor is recommended from VREF1 to AGND, placed as close as possible to the pin."
      }
    ],
    "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 no explicit ERC type for the VREF1/VREF2 decoupling pins; they are typed as pass; The analog inputs are typed as 'input' per KiCad convention; the datasheet describes them only as an; The datasheet lists the 14-pin SOIC (package D) as the only package for PCM1801U, so no package vari"
        ],
        "pages_sent": 26,
        "cost_usd": 0.0977,
        "at": "2026-10-08T16:42:28"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/pcm1801",
        "pages": 26,
        "sha256": "cddeda6b088aefa3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "pcm1801u.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pcm1801u-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "08808001aef0584b66adf30693717d0b78a540cb329916368351b955ccc0d9c2",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}