TLV320AIC20CPFB

{
  "slug": "tlv320aic20cpfb",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Interface ICs, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tlv320aic20cpfb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tlv320aic20cpfb.kicad_sym",
    "tlv320aic20cpfb.kicad_mod",
    "tlv320aic20cpfb.glb",
    "tlv320aic20cpfb.step",
    "tlv320aic20cpfb.lbr",
    "docs/hero.png",
    "docs/tlv320aic20cpfb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tlv320aic20cpfb-hero.glb",
    "tlv320aic20cpfb-hero.overlay.json"
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  "component": {
    "mpn": "TLV320AIC20CPFB",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-48(7x7)",
    "pin_count": 48,
    "category": "Interface",
    "subcategory": "Audio Interface ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tlv320aic20",
    "parts": {
      "symbol": "tlv320aic20cpfb.kicad_sym",
      "footprint": "tlv320aic20cpfb.kicad_mod",
      "model_3d": "tlv320aic20cpfb-hero.glb",
      "model_3d_plain": "tlv320aic20cpfb.glb",
      "model_3d_step": "tlv320aic20cpfb-etched.step",
      "model_3d_step_plain": "tlv320aic20cpfb.step",
      "lbr": "tlv320aic20cpfb.lbr"
    },
    "distributor_links": {
      "lcsc": 4990568,
      "digikey": "2156-TLV320AIC20CPFB-ND",
      "mouser": "595-TLV320AIC20CPFB"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T17:02:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-TLV320AIC20CPFB-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TLV320AIC20CPFB",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "HDSI-",
        "type": "input",
        "description": "Head-set differential input signal (negative terminal) that can be treated similar to line-input pins."
      },
      {
        "number": "2",
        "name": "HDSI+",
        "type": "input",
        "description": "Head-set differential input signal (positive terminal) that can be treated similar to line-input pins."
      },
      {
        "number": "3",
        "name": "HDSO-",
        "type": "output",
        "description": "Head-set differential output signal (negative terminal) with 150Ω load impedance."
      },
      {
        "number": "4",
        "name": "HDSO+",
        "type": "output",
        "description": "Head-set differential output signal (positive terminal) with 150Ω load impedance."
      },
      {
        "number": "5",
        "name": "AVDD2",
        "type": "power_in",
        "description": "Analog power supply pin with recommended operating range of 2.7V to 3.6V."
      },
      {
        "number": "6",
        "name": "AVSS2",
        "type": "power_in",
        "description": "Analog ground reference connection."
      },
      {
        "number": "7",
        "name": "TESTP",
        "type": "input",
        "description": "Test pin that should be connected to digital ground."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "9",
        "name": "PWRDN",
        "type": "input",
        "description": "Power-down mode control input."
      },
      {
        "number": "10",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C/S2C serial data input/output line."
      },
      {
        "number": "11",
        "name": "SCL",
        "type": "input",
        "description": "I2C/S2C serial clock input."
      },
      {
        "number": "12",
        "name": "IOVDD",
        "type": "power_in",
        "description": "Digital I/O power supply with recommended operating range of 1.1V to 3.6V."
      },
      {
        "number": "13",
        "name": "IOVSS",
        "type": "power_in",
        "description": "Digital I/O ground reference connection."
      },
      {
        "number": "14",
        "name": "FSD",
        "type": "output",
        "description": "Frame synchronization signal delayed output."
      },
      {
        "number": "15",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital core power supply with recommended operating range of 1.65V to 1.95V (1.8V nominal)."
      },
      {
        "number": "16",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital core ground reference connection."
      },
      {
        "number": "17",
        "name": "DOUT",
        "type": "output",
        "description": "Serial port data output."
      },
      {
        "number": "18",
        "name": "DIN",
        "type": "input",
        "description": "Serial port data input."
      },
      {
        "number": "19",
        "name": "FS",
        "type": "bidirectional",
        "description": "Frame synchronization signal input/output."
      },
      {
        "number": "20",
        "name": "SCLK",
        "type": "bidirectional",
        "description": "Serial port bit clock input/output."
      },
      {
        "number": "21",
        "name": "M/S",
        "type": "input",
        "description": "Master/slave mode select input applied to CODEC1 only; CODEC2 is always a slave."
      },
      {
        "number": "22",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input with maximum frequency of 100MHz."
      },
      {
        "number": "23",
        "name": "RESET",
        "type": "input",
        "description": "Asynchronous reset input."
      },
      {
        "number": "24",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground reference that should typically be connected to analog ground."
      },
      {
        "number": "25",
        "name": "DRVSS1",
        "type": "power_in",
        "description": "Analog output driver stage ground reference connection."
      },
      {
        "number": "26",
        "name": "SPKO+",
        "type": "output",
        "description": "Speaker differential output signal (positive terminal) with 8Ω load impedance."
      },
      {
        "number": "27",
        "name": "DRVDD",
        "type": "power_in",
        "description": "Analog output driver power supply with recommended operating range of 2.7V to 3.6V."
      },
      {
        "number": "28",
        "name": "SPKO-",
        "type": "output",
        "description": "Speaker differential output signal (negative terminal) with 8Ω load impedance."
      },
      {
        "number": "29",
        "name": "DRVSS2",
        "type": "power_in",
        "description": "Analog output driver stage ground reference connection."
      },
      {
        "number": "30",
        "name": "CIDI-",
        "type": "input",
        "description": "Caller-ID differential input signal (negative terminal) that can be treated similar to line-input pins."
      },
      {
        "number": "31",
        "name": "CIDI+",
        "type": "input",
        "description": "Caller-ID differential input signal (positive terminal) that can be treated similar to line-input pins."
      },
      {
        "number": "32",
        "name": "AVSS1",
        "type": "power_in",
        "description": "Analog ground reference connection."
      },
      {
        "number": "33",
        "name": "AVDD1",
        "type": "power_in",
        "description": "Analog power supply pin with recommended operating range of 2.7V to 3.6V."
      },
      {
        "number": "34",
        "name": "MICI-",
        "type": "input",
        "description": "Microphone differential input signal (negative terminal)."
      },
      {
        "number": "35",
        "name": "MICI+",
        "type": "input",
        "description": "Microphone differential input signal (positive terminal)."
      },
      {
        "number": "36",
        "name": "MICBIAS",
        "type": "input",
        "description": "Microphone bias voltage output for external microphone impedance."
      },
      {
        "number": "37",
        "name": "LCDAC",
        "type": "output",
        "description": "6-bit digital-to-analog converter output for LCD display control."
      },
      {
        "number": "38",
        "name": "HNSO-",
        "type": "output",
        "description": "Hand-set speaker differential output signal (negative terminal) with 150Ω load impedance."
      },
      {
        "number": "39",
        "name": "HNSO+",
        "type": "output",
        "description": "Hand-set speaker differential output signal (positive terminal) with 150Ω load impedance."
      },
      {
        "number": "40",
        "name": "HNSI-",
        "type": "input",
        "description": "Hand-set differential input signal (negative terminal) that can be treated similar to line-input pins."
      },
      {
        "number": "41",
        "name": "HNSI+",
        "type": "input",
        "description": "Hand-set differential input signal (positive terminal) that can be treated similar to line-input pins."
      },
      {
        "number": "42",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply pin with recommended operating range of 2.7V to 3.6V."
      },
      {
        "number": "43",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground reference connection."
      },
      {
        "number": "44",
        "name": "LINEI+",
        "type": "input",
        "description": "Line differential input signal (positive terminal)."
      },
      {
        "number": "45",
        "name": "LINEI-",
        "type": "input",
        "description": "Line differential input signal (negative terminal)."
      },
      {
        "number": "46",
        "name": "LINEO-",
        "type": "output",
        "description": "Line differential output signal (negative terminal) with 600Ω load impedance."
      },
      {
        "number": "47",
        "name": "LINEO+",
        "type": "output",
        "description": "Line differential output signal (positive terminal) with 600Ω load impedance."
      },
      {
        "number": "48",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 36 (MICBIAS) is classified as input (I) in the datasheet Terminal Functions table, but based on "
        ],
        "pages_sent": 10,
        "cost_usd": 0.2003,
        "at": "2026-10-06T17:02:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tlv320aic20",
        "pages": 59,
        "sha256": "7a5a9cd5d93147bf",
        "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"
    }
  }
}