NPCA110PA0YX

{
  "slug": "npca110pa0yx",
  "version": "0.1.0",
  "type": "component",
  "description": "Nuvoton Tech Audio Power OpAmps, QFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers",
    "npca110pa0yx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "npca110pa0yx.kicad_sym",
    "npca110pa0yx.kicad_mod",
    "npca110pa0yx.glb",
    "npca110pa0yx.step",
    "npca110pa0yx.lbr",
    "docs/hero.png",
    "docs/npca110pa0yx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "npca110pa0yx-hero.glb",
    "npca110pa0yx-hero.overlay.json",
    "npca110pa0yx-etched.glb"
  ],
  "component": {
    "mpn": "NPCA110PA0YX",
    "manufacturer": "Nuvoton Tech",
    "package": "QFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "Amplifiers",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ff427f733d170937f1f47bdef5f14195.pdf",
    "parts": {
      "symbol": "npca110pa0yx.kicad_sym",
      "footprint": "npca110pa0yx.kicad_mod",
      "model_3d": "npca110pa0yx-hero.glb",
      "model_3d_plain": "npca110pa0yx-etched.glb",
      "model_3d_step": "npca110pa0yx-etched.step",
      "model_3d_step_plain": "npca110pa0yx.step",
      "lbr": "npca110pa0yx.lbr"
    },
    "distributor_links": {
      "lcsc": "C112943",
      "mouser": "503-NPCA110PA0YX"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:25:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "503-NPCA110PA0YX",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GPIO02/SDI0",
        "type": "bidirectional",
        "description": "General-purpose I/O signal 02 or I2S serial data input 0 carrying input stereo data stream 0, with internal pull-up, 5V tolerant, O2/2 buffer."
      },
      {
        "number": "2",
        "name": "GPIO03/SDI1",
        "type": "bidirectional",
        "description": "General-purpose I/O signal 03 or I2S serial data input 1 carrying input stereo data stream 1, with internal pull-up, 5V tolerant, O2/2 buffer."
      },
      {
        "number": "3",
        "name": "GPIO04",
        "type": "bidirectional",
        "description": "General-purpose I/O signal 04 with internal pull-up, 5V tolerant, O2/2 buffer."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3V digital supply, decoupled with 0.1 uF to ground near each VDD pin and a 10 uF or larger bulk capacitor."
      },
      {
        "number": "5",
        "name": "RIN1",
        "type": "input",
        "description": "Analog right input of ADC input pair 1 requiring AC coupling with a 1 uF capacitor (0.33 uF if 30 K input impedance is selected)."
      },
      {
        "number": "6",
        "name": "LIN1",
        "type": "input",
        "description": "Analog left input of ADC input pair 1 requiring AC coupling with a 1 uF capacitor (0.33 uF if 30 K input impedance is selected)."
      },
      {
        "number": "7",
        "name": "RIN3",
        "type": "input",
        "description": "Analog right input of ADC input pair 3 requiring AC coupling with a 1 uF capacitor (0.33 uF if 30 K input impedance is selected)."
      },
      {
        "number": "8",
        "name": "RIN2",
        "type": "input",
        "description": "Analog right input of ADC input pair 2 requiring AC coupling with a 1 uF capacitor (0.33 uF if 30 K input impedance is selected)."
      },
      {
        "number": "9",
        "name": "LIN2",
        "type": "input",
        "description": "Analog left input of ADC input pair 2 requiring AC coupling with a 1 uF capacitor (0.33 uF if 30 K input impedance is selected)."
      },
      {
        "number": "10",
        "name": "LOUT2",
        "type": "output",
        "description": "Analog left output 2 of DAC2, used as the bass channel output in 2.1 output configurations."
      },
      {
        "number": "11",
        "name": "ROUT2",
        "type": "output",
        "description": "Analog right output 2 of DAC2."
      },
      {
        "number": "12",
        "name": "LIN3",
        "type": "input",
        "description": "Analog left input of ADC input pair 3 requiring AC coupling with a 1 uF capacitor (0.33 uF if 30 K input impedance is selected)."
      },
      {
        "number": "13",
        "name": "DAC_REF",
        "type": "passive",
        "description": "Internally generated DAC reference voltage, connected via a 0.1 uF ceramic capacitor in parallel with a 22 uF tantalum/ceramic capacitor to AVSS."
      },
      {
        "number": "14",
        "name": "VCM",
        "type": "passive",
        "description": "Internally generated CODEC common-mode voltage, connected via a 0.1 uF ceramic capacitor in parallel with a 22 uF tantalum/ceramic capacitor to AVSS."
      },
      {
        "number": "15",
        "name": "AGND",
        "type": "power_in",
        "description": "CODEC analog ground return, connected to the analog ground plane, which joins the digital ground plane at one point near the device."
      },
      {
        "number": "16",
        "name": "ADC_REF",
        "type": "passive",
        "description": "Internally generated ADC reference voltage, connected via a 0.1 uF ceramic capacitor in parallel with a 22 uF tantalum/ceramic capacitor to AVSS."
      },
      {
        "number": "17",
        "name": "AVDD",
        "type": "power_in",
        "description": "CODEC analog 3.3V supply (3.00V to 3.47V) from a filtered supply, bypassed with 0.1 uF ceramic and 22 uF capacitors to AVSS."
      },
      {
        "number": "18",
        "name": "LOUT1",
        "type": "output",
        "description": "Analog left output 1 of the DAC, the main left output."
      },
      {
        "number": "19",
        "name": "ROUT1",
        "type": "output",
        "description": "Analog right output 1 of the DAC, the main right output."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3V digital supply (3.13V to 3.47V) for the I/O interface and internal regulators."
      },
      {
        "number": "21",
        "name": "XTALI/CLKIN",
        "type": "input",
        "description": "Crystal clock input (12.288 MHz for 48 KHz or 11.2896 MHz for 44.1 KHz sample rate) or LVTTL clock input."
      },
      {
        "number": "22",
        "name": "XTALO",
        "type": "output",
        "description": "Crystal clock output used for the crystal connection circuit."
      },
      {
        "number": "23",
        "name": "VPLL18",
        "type": "power_out",
        "description": "Internally generated 1.8V PLL supply, connected via a 4.7 uF ceramic capacitor to VSSP."
      },
      {
        "number": "24",
        "name": "VSSP",
        "type": "power_in",
        "description": "PLL ground, connected to the digital ground plane via a 0 ohm resistor."
      },
      {
        "number": "25",
        "name": "GPIO20",
        "type": "bidirectional",
        "description": "General-purpose I/O signal 20 with internal pull-up, 5V tolerant, O2/2 buffer."
      },
      {
        "number": "26",
        "name": "VD18",
        "type": "power_out",
        "description": "Internally generated 1.8V supply for internal logic, connected via a 4.7 uF ceramic capacitor to digital ground."
      },
      {
        "number": "27",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3V digital supply, decoupled with 0.1 uF to ground near each VDD pin."
      },
      {
        "number": "28",
        "name": "nRESET",
        "type": "input",
        "description": "Power-up reset input that forces reset when driven low, with internal pull-up, 5V tolerant Schmitt trigger."
      },
      {
        "number": "29",
        "name": "GPO18/SDO2/I2CMS",
        "type": "output",
        "description": "General-purpose output 18 or I2S serial data out 2 (33 to 100 ohm series resistor required), and I2C master/slave strap sampled at power-up reset (pulled up selects slave, 8.2 K pull-down selects master)."
      },
      {
        "number": "30",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Master/slave I2C data line, Schmitt trigger input, 5V tolerant, OD6 open-drain buffer."
      },
      {
        "number": "31",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected; must be left open and not connected to any signal."
      },
      {
        "number": "32",
        "name": "SCL",
        "type": "bidirectional",
        "description": "Master/slave I2C clock line, Schmitt trigger input that ignores pulses shorter than 5 ns, 5V tolerant, OD6 open-drain buffer."
      },
      {
        "number": "33",
        "name": "GPIO15",
        "type": "bidirectional",
        "description": "General-purpose I/O signal 15 with internal pull-up, 5V tolerant, O2/2 buffer."
      },
      {
        "number": "34",
        "name": "GPIO19",
        "type": "bidirectional",
        "description": "General-purpose I/O signal 19 with internal pull-up, 5V tolerant, O2/2 buffer."
      },
      {
        "number": "35",
        "name": "GPO17",
        "type": "output",
        "description": "General-purpose output signal 17 with internal pull-up, 5V tolerant, O8/8 buffer."
      },
      {
        "number": "36",
        "name": "GPIO00/DCLK",
        "type": "bidirectional",
        "description": "General-purpose I/O signal 00 or I2S clock (input for slave, output for master) at 32 or 64 times the sample frequency, with a 33 to 100 ohm series resistor when used as output."
      },
      {
        "number": "37",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3V digital supply, decoupled with 0.1 uF to ground near each VDD pin."
      },
      {
        "number": "38",
        "name": "GPIO01/SYNC",
        "type": "bidirectional",
        "description": "General-purpose I/O signal 01 or I2S SYNC (input for slave, output for master) indicating the sample frequency, with a 33 to 100 ohm series resistor when used as output."
      },
      {
        "number": "39",
        "name": "GPO06/SDO0/nTEST",
        "type": "output",
        "description": "General-purpose output 06 or I2S serial data out 0 (33 to 100 ohm series resistor required), and test strap sampled during power-up reset (internal pull-up for normal operation, 8.2 K pull-down sets 0)."
      },
      {
        "number": "40",
        "name": "GPO07/SDO1/CLKOUT/REF",
        "type": "output",
        "description": "General-purpose output 07, I2S serial data out 1 or general-purpose clock output (33 to 100 ohm series resistor required), and reference strap sampled at power-up (pull-up selects DCLK in, 8.2 K pull-down selects crystal oscillator)."
      },
      {
        "number": "41",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 pin-to-number mapping was reconstructed from the garbled connection-diagram text on page 7 and s",
          "7/41 pins cited to the wrong page (name found elsewhere): ['16:ADC_REF@p10', '23:VPLL18@p11', '24:VSSP@p11', '26:VD18@p11']"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0478,
        "at": "2026-10-27T01:24:33"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ff427f733d170937f1f47bdef5f14195.pdf",
        "pages": 31,
        "sha256": "790dae220485ab2c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "npca110pa0yx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "npca110pa0yx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a658617e40fb2cec5f4558284d3100a482f04d95c9e55cb79f3623879d772d47",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}