main
Ray Publish 0.1.0 861db1f 22h ago
{
  "slug": "pcm4220pfb",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments ADCs/DACs - Special Purpose, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "pcm4220pfb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pcm4220pfb.kicad_sym",
    "pcm4220pfb.kicad_mod",
    "pcm4220pfb.glb",
    "pcm4220pfb.step",
    "pcm4220pfb.lbr",
    "docs/hero.png",
    "docs/pcm4220pfb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pcm4220pfb-hero.glb",
    "pcm4220pfb-hero.overlay.json"
  ],
  "component": {
    "mpn": "PCM4220PFB",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-48(7x7)",
    "pin_count": 48,
    "category": "Data Acquisition",
    "subcategory": "ADCs/DACs - Special Purpose",
    "datasheet": "https://www.ti.com/cn/lit/gpn/pcm4220",
    "parts": {
      "symbol": "pcm4220pfb.kicad_sym",
      "footprint": "pcm4220pfb.kicad_mod",
      "model_3d": "pcm4220pfb-hero.glb",
      "model_3d_plain": "pcm4220pfb.glb",
      "model_3d_step": "pcm4220pfb-etched.step",
      "model_3d_step_plain": "pcm4220pfb.step",
      "lbr": "pcm4220pfb.lbr"
    },
    "distributor_links": {
      "lcsc": "C1520776",
      "digikey": "296-32684-ND",
      "mouser": "595-PCM4220PFB"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T19:58:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-32684-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-PCM4220PFB",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "2",
        "name": "VINR-",
        "type": "input",
        "description": "Right channel inverting differential analog input, 2.8VPP nominal full-scale."
      },
      {
        "number": "3",
        "name": "VINR+",
        "type": "input",
        "description": "Right channel noninverting differential analog input, 2.8VPP nominal full-scale."
      },
      {
        "number": "4",
        "name": "VCC1",
        "type": "power_in",
        "description": "Analog supply, +4.0V nominal."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "7",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "9",
        "name": "VCC2",
        "type": "power_in",
        "description": "Analog supply, +4.0V nominal."
      },
      {
        "number": "10",
        "name": "VINL-",
        "type": "input",
        "description": "Left channel inverting differential analog input, 2.8VPP nominal full-scale."
      },
      {
        "number": "11",
        "name": "VINL+",
        "type": "input",
        "description": "Left channel noninverting differential analog input, 2.8VPP nominal full-scale."
      },
      {
        "number": "12",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "13",
        "name": "VCOML",
        "type": "output",
        "description": "Left channel common-mode voltage, nominally 0.4875 × VCC2."
      },
      {
        "number": "14",
        "name": "REFGNDL",
        "type": "power_in",
        "description": "Left channel reference ground; connect to analog ground."
      },
      {
        "number": "15",
        "name": "VREFL",
        "type": "output",
        "description": "Left channel reference output, for decoupling purposes only."
      },
      {
        "number": "16",
        "name": "PCMEN",
        "type": "input",
        "description": "PCM output enable, active high."
      },
      {
        "number": "17",
        "name": "HPFDR",
        "type": "input",
        "description": "Right channel high-pass filter disable, active high."
      },
      {
        "number": "18",
        "name": "HPFDL",
        "type": "input",
        "description": "Left channel high-pass filter disable, active high."
      },
      {
        "number": "19",
        "name": "FS0",
        "type": "input",
        "description": "Sampling mode select with FS1: 00 = Normal mode, 10 = Double Speed mode, 01 = Quad Speed mode, 11 = Reserved."
      },
      {
        "number": "20",
        "name": "FS1",
        "type": "input",
        "description": "Sampling mode select with FS0: 00 = Normal mode, 10 = Double Speed mode, 01 = Quad Speed mode, 11 = Reserved."
      },
      {
        "number": "21",
        "name": "DF",
        "type": "input",
        "description": "Digital decimation filter response select: DF = 0 gives Classic filter response, DF = 1 gives Low Group Delay response."
      },
      {
        "number": "22",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "23",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "25",
        "name": "SUB1",
        "type": "input",
        "description": "TDM active sub-frame select with SUB0: 00 = Sub-frame 0, 01 = Sub-frame 1 (SUB0 = 1, SUB1 = 0), 10 = Sub-frame 2, 11 = Sub-frame 3."
      },
      {
        "number": "26",
        "name": "SUB0",
        "type": "input",
        "description": "TDM active sub-frame select with SUB1; see SUB1 for the decoding."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No external connection; internally bonded to ESD pad."
      },
      {
        "number": "28",
        "name": "NC",
        "type": "unconnected",
        "description": "No external connection; internally bonded to ESD pad."
      },
      {
        "number": "29",
        "name": "NC",
        "type": "unconnected",
        "description": "No external connection; internally bonded to ESD pad."
      },
      {
        "number": "30",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "31",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, +3.3V nominal."
      },
      {
        "number": "32",
        "name": "DATA",
        "type": "output",
        "description": "Audio serial port data output."
      },
      {
        "number": "33",
        "name": "BCK",
        "type": "bidirectional",
        "description": "Audio serial port bit clock (I/O)."
      },
      {
        "number": "34",
        "name": "LRCK",
        "type": "bidirectional",
        "description": "Audio serial port left/right word clock (I/O)."
      },
      {
        "number": "35",
        "name": "MCKI",
        "type": "input",
        "description": "Master clock input."
      },
      {
        "number": "36",
        "name": "RST",
        "type": "input",
        "description": "Reset and power-down, active low."
      },
      {
        "number": "37",
        "name": "OVFL",
        "type": "output",
        "description": "Left channel overflow flag, active high."
      },
      {
        "number": "38",
        "name": "OVFR",
        "type": "output",
        "description": "Right channel overflow flag, active high."
      },
      {
        "number": "39",
        "name": "S/M",
        "type": "input",
        "description": "Audio serial port mode select: S/M = 0 gives Master mode, S/M = 1 gives Slave mode."
      },
      {
        "number": "40",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground (listed as Output in the datasheet terminal table, but it is a ground pin)."
      },
      {
        "number": "41",
        "name": "OWL1",
        "type": "input",
        "description": "Output word length select with OWL0: 00 = 24-bits, 10 = 18-bits, 01 = 20-bits, 11 = 16-bits."
      },
      {
        "number": "42",
        "name": "OWL0",
        "type": "input",
        "description": "Output word length select with OWL1; see OWL1 for the decoding."
      },
      {
        "number": "43",
        "name": "FMT1",
        "type": "input",
        "description": "Audio data format select with FMT0: 00 = Left-justified, 10 = I2S, 01 = TDM, 11 = TDM with one BCK delay."
      },
      {
        "number": "44",
        "name": "FMT0",
        "type": "input",
        "description": "Audio data format select with FMT1; see FMT1 for the decoding."
      },
      {
        "number": "45",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "46",
        "name": "VREFR",
        "type": "output",
        "description": "Right channel reference output, for decoupling purposes only."
      },
      {
        "number": "47",
        "name": "REFGNDR",
        "type": "power_in",
        "description": "Right channel reference ground; connect to analog ground."
      },
      {
        "number": "48",
        "name": "VCOMR",
        "type": "output",
        "description": "Right channel common-mode voltage, nominally 0.4875 × VCC1."
      }
    ],
    "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 terminal table labels pin 40 (DGND) as 'Output', which conflicts with its digital grou; Multi-pin mode-select inputs: the datasheet gives the decoding for combinations of two pins. Each pi; NC pins are internally bonded to ESD pads and typed unconnected; the datasheet says no external conn"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0781,
        "at": "2026-10-08T19:58:09"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/pcm4220",
        "pages": 39,
        "sha256": "2576dc13f2c8b79f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pcm4220pfb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pcm4220pfb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "30c569eeaf6156a369fec44b84ba64734279e9bccbeba6fe0f858d0d2266131a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}