TAA3040IRTWR

{
  "slug": "taa3040irtwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments , WQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "ic",
    "taa3040irtwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "taa3040irtwr.kicad_sym",
    "taa3040irtwr.kicad_mod",
    "taa3040irtwr.glb",
    "taa3040irtwr.step",
    "taa3040irtwr.lbr",
    "docs/hero.png",
    "docs/taa3040irtwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "taa3040irtwr-hero.glb",
    "taa3040irtwr-hero.overlay.json",
    "taa3040irtwr-etched.glb"
  ],
  "component": {
    "mpn": "TAA3040IRTWR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24(4x4)",
    "pin_count": 25,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://www.ti.com/lit/ds/symlink/taa3040.pdf",
    "parts": {
      "symbol": "taa3040irtwr.kicad_sym",
      "footprint": "taa3040irtwr.kicad_mod",
      "model_3d": "taa3040irtwr-hero.glb",
      "model_3d_plain": "taa3040irtwr-etched.glb",
      "model_3d_step": "taa3040irtwr-etched.step",
      "model_3d_step_plain": "taa3040irtwr.step",
      "lbr": "taa3040irtwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C43656726"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:25:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 871 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 1.8V or 3.3V nominal."
      },
      {
        "number": "2",
        "name": "AREG",
        "type": "power_out",
        "description": "Analog on-chip regulator output (1.8V nominal) for the analog supply, or external 1.8V analog power input."
      },
      {
        "number": "3",
        "name": "VREF",
        "type": "power_in",
        "description": "Analog reference voltage filter output; requires a minimum 1-µF capacitor to AVSS."
      },
      {
        "number": "4",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground; short directly to the board ground plane."
      },
      {
        "number": "5",
        "name": "MICBIAS",
        "type": "power_out",
        "description": "Microphone bias output."
      },
      {
        "number": "6",
        "name": "IN1P_GPI1",
        "type": "input",
        "description": "Analog input 1P or general-purpose digital input 1 (digital microphone data, PLL input clock source, etc.)."
      },
      {
        "number": "7",
        "name": "IN1M_GPO1",
        "type": "bidirectional",
        "description": "Analog input 1M or general-purpose digital output 1 (digital microphone clock, interrupt, etc.)."
      },
      {
        "number": "8",
        "name": "IN2P_GPI2",
        "type": "input",
        "description": "Analog input 2P or general-purpose digital input 2 (digital microphone data, PLL input clock source, etc.)."
      },
      {
        "number": "9",
        "name": "IN2M_GPO2",
        "type": "bidirectional",
        "description": "Analog input 2M or general-purpose digital output 2 (digital microphone clock, interrupt, etc.)."
      },
      {
        "number": "10",
        "name": "IN3P_GPI3",
        "type": "input",
        "description": "Analog input 3P or general-purpose digital input 3 (digital microphone data, PLL input clock source, etc.)."
      },
      {
        "number": "11",
        "name": "IN3M_GPO3",
        "type": "bidirectional",
        "description": "Analog input 3M or general-purpose digital output 3 (digital microphone clock, interrupt, etc.)."
      },
      {
        "number": "12",
        "name": "IN4P_GPI4",
        "type": "input",
        "description": "Analog input 4P or general-purpose digital input 4 (digital microphone data, PLL input clock source, etc.)."
      },
      {
        "number": "13",
        "name": "IN4M_GPO4",
        "type": "bidirectional",
        "description": "Analog input 4M or general-purpose digital output 4 (digital microphone clock, interrupt, etc.)."
      },
      {
        "number": "14",
        "name": "SHDNZ",
        "type": "input",
        "description": "Device hardware shutdown and reset, active low."
      },
      {
        "number": "15",
        "name": "ADDR1_MISO",
        "type": "bidirectional",
        "description": "I2C target address A1 pin in I2C operation; SPI target output pin in SPI operation."
      },
      {
        "number": "16",
        "name": "ADDR0_SCLK",
        "type": "input",
        "description": "I2C target address A0 pin in I2C operation; SPI serial bit clock in SPI operation."
      },
      {
        "number": "17",
        "name": "SCL_MOSI",
        "type": "input",
        "description": "I2C control bus clock pin in I2C operation; SPI target input pin in SPI operation."
      },
      {
        "number": "18",
        "name": "SDA_SSZ",
        "type": "bidirectional",
        "description": "I2C control bus data pin in I2C operation; SPI target-select pin in SPI operation."
      },
      {
        "number": "19",
        "name": "IOVDD",
        "type": "power_in",
        "description": "Digital I/O power supply, 1.8V or 3.3V nominal."
      },
      {
        "number": "20",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose digital input/output 1 (digital microphone clock or data, PLL input clock source, interrupt, etc.)."
      },
      {
        "number": "21",
        "name": "SDOUT",
        "type": "output",
        "description": "Audio serial data interface bus output."
      },
      {
        "number": "22",
        "name": "BCLK",
        "type": "bidirectional",
        "description": "Audio serial data interface bus bit clock."
      },
      {
        "number": "23",
        "name": "FSYNC",
        "type": "bidirectional",
        "description": "Audio serial data interface bus frame synchronization signal."
      },
      {
        "number": "24",
        "name": "DREG",
        "type": "power_out",
        "description": "Digital regulator output for the digital core supply, 1.5V nominal."
      },
      {
        "number": "25",
        "name": "Thermal Pad (VSS)",
        "type": "power_in",
        "description": "Thermal pad shorted to internal device ground; short 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: The exposed thermal pad has no printed number. It is listed as 25 here by convention. Confirm it bef; The datasheet gives pin types only as Analog or Digital I/O. The ERC types here are my inference fro; The ordered part TAA3040IRTWR is the RTW 24-pin WQFN, which matches the pinout. The package addendum"
        ],
        "pages_sent": 28,
        "cost_usd": 0.2873,
        "at": "2026-10-23T18:25:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/taa3040.pdf",
        "pages": 130,
        "sha256": "e8892e7ba319b56b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "taa3040irtwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "taa3040irtwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "280641711a56b3d70d7cd1e535b2c3223b6df53737adda06b66eb6dbd4d9c492",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}