TAA3040IRTWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "taa3040irtwr",
  "title": "TAA3040IRTWR",
  "brief": "Texas Instruments , WQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "ic",
    "taa3040irtwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 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,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "280641711a56b3d70d7cd1e535b2c3223b6df53737adda06b66eb6dbd4d9c492",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-24(4x4)",
      "Category": "",
      "Pins": "25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e8892e7ba319b56b5922b509775044cd6741cd7eb57fab336c156298ab484f4a",
      "rows": [
        {
          "name": "AVDD supply voltage (3.3-V operation)",
          "symbol": "AVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "AVDD to AVSS, AREG generated by on-chip regulator",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "AVDD and AREG supply voltage (1.8-V operation)",
          "symbol": "AVDD, AREG",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.7,
          "typ": 1.8,
          "max": 1.9,
          "conditions": "AREG internal regulator shutdown",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "IOVDD supply voltage (3.3-V operation)",
          "symbol": "IOVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "IOVDD 3.3-V operation",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "IOVDD supply voltage (1.8-V operation)",
          "symbol": "IOVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": 1.8,
          "max": 1.95,
          "conditions": "IOVDD 1.8-V operation",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "MCLK input clock frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 36.864,
          "conditions": "GPIOx or GPIx used as MCLK input",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "I2C bus capacitance (standard/fast mode)",
          "symbol": "Cb",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "SCL and SDA, standard-mode and fast-mode",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "I2C bus capacitance (fast-mode plus)",
          "symbol": "Cb",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 550,
          "conditions": "SCL and SDA, fast-mode plus",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Digital output load capacitance",
          "symbol": "CL",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": 20,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "AVDD to AVSS",
          "symbol": "AVDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.9,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "AREG to AVSS",
          "symbol": "AREG",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "IOVDD to VSS",
          "symbol": "IOVDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.9,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ground voltage difference AVSS to VSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM per ANSI/ESDA/JEDEC JS-001",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "CDM per JESD22-C101",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 32.6,
          "max": null,
          "conditions": "RTW (WQFN) 24 pins",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 11.9,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 2.9,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Signal-to-noise ratio, A-weighted (AVDD 3.3 V)",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": 100,
          "typ": 104,
          "max": null,
          "conditions": "IN1 differential, AC signal shorted to ground, 10-kΩ input impedance, 0-dB channel gain",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion plus noise (AVDD 3.3 V)",
          "symbol": "THD+N",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -95,
          "max": -80,
          "conditions": "IN1 differential, –1-dB full-scale AC input, 10-kΩ input impedance, 0-dB channel gain",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "MICBIAS load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 0,
          "typ": 0.6,
          "max": 1.8,
          "conditions": "MICBIAS programmed to VREF or VREF × 1.096, measured up to max load",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "MICBIAS current drive (≥2.5 V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "MICBIAS voltage ≥ 2.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "MICBIAS current drive (<2.5 V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "MICBIAS voltage < 2.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage SHDNZ",
          "symbol": "VIL(SHDNZ)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.25,
          "conditions": "SHDNZ pin, max is 0.25 × IOVDD",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage SHDNZ",
          "symbol": "VIH(SHDNZ)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.75,
          "typ": null,
          "max": 0.3,
          "conditions": "SHDNZ pin, min is 0.75 × IOVDD, max is IOVDD + 0.3",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage, 3.3-V IOVDD",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "All digital pins except INxP_GPIx, SDA and SCL, IOVDD 3.3-V operation",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage, 3.3-V IOVDD",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "All digital pins except INxP_GPIx, SDA and SCL, IOVDD 3.3-V operation; max IOVDD + 0.3",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage, 3.3-V IOVDD",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "All digital pins except INxM_GPOx, SDA and SCL, IOL = –2 mA, IOVDD 3.3-V operation",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage, 1.8-V IOVDD",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.45,
          "conditions": "All digital pins except INxM_GPOx, SDA and SCL, IOL = –2 mA, IOVDD 1.8-V operation",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage, 3.3-V IOVDD",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "All digital pins except INxM_GPOx, SDA and SCL, IOH = 2 mA, IOVDD 3.3-V operation",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input logic-high leakage",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": 0.1,
          "max": 5,
          "conditions": "All digital pins except INxP_GPIx pins, input = IOVDD",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input logic-low leakage",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": 0.1,
          "max": 5,
          "conditions": "All digital pins except INxP_GPIx pins, input = 0 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "I2C low-level output voltage (IOVDD > 2 V)",
          "symbol": "VOL1(I2C)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "SDA, IOL(I2C) = –3 mA, IOVDD > 2 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Hardware shutdown current AVDD 3.3 V",
          "symbol": "IAVDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "SHDNZ = 0, AVDD = 3.3 V, internal AREG",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode current AVDD 3.3 V",
          "symbol": "IAVDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "All external clocks stopped, AVDD = 3.3 V, internal AREG",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "4-channel 48-kHz AVDD current, 3.3 V",
          "symbol": "IAVDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 21.3,
          "max": null,
          "conditions": "ADC 4-channel at fS 48 kHz, PLL on, BCLK = 256 × fS, AVDD = 3.3 V, internal AREG",
          "source_page": 9,
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