PCM2903CDBR

{
  "slug": "pcm2903cdbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Interface ICs, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "pcm2903cdbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pcm2903cdbr.kicad_sym",
    "pcm2903cdbr.kicad_mod",
    "pcm2903cdbr.glb",
    "pcm2903cdbr.step",
    "pcm2903cdbr.lbr",
    "docs/hero.png",
    "docs/pcm2903cdbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pcm2903cdbr-hero.glb",
    "pcm2903cdbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "PCM2903CDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-28",
    "pin_count": 28,
    "category": "Interface",
    "subcategory": "Audio Interface ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/pcm2903c",
    "parts": {
      "symbol": "pcm2903cdbr.kicad_sym",
      "footprint": "pcm2903cdbr.kicad_mod",
      "model_3d": "pcm2903cdbr-hero.glb",
      "model_3d_plain": "pcm2903cdbr.glb",
      "model_3d_step": "pcm2903cdbr-etched.step",
      "model_3d_step_plain": "pcm2903cdbr.step",
      "lbr": "pcm2903cdbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2861593",
      "digikey": "296-34778-2-ND",
      "mouser": "595-PCM2903CDBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:11:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-34778-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-PCM2903CDBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "D+",
        "type": "bidirectional",
        "description": "USB differential input/output plus, LV-TTL level"
      },
      {
        "number": "2",
        "name": "D–",
        "type": "bidirectional",
        "description": "USB differential input/output minus, LV-TTL level"
      },
      {
        "number": "3",
        "name": "VBUS",
        "type": "power_in",
        "description": "Must be connected to VDD"
      },
      {
        "number": "4",
        "name": "DGNDU",
        "type": "power_in",
        "description": "Digital ground for USB transceiver"
      },
      {
        "number": "5",
        "name": "HID0",
        "type": "input",
        "description": "HID key state input (mute), active-high, 3.3-V CMOS with internal pulldown"
      },
      {
        "number": "6",
        "name": "HID1",
        "type": "input",
        "description": "HID key state input (volume up), active-high, 3.3-V CMOS with internal pulldown"
      },
      {
        "number": "7",
        "name": "HID2",
        "type": "input",
        "description": "HID key state input (volume down), active-high, 3.3-V CMOS with internal pulldown"
      },
      {
        "number": "8",
        "name": "SEL0",
        "type": "input",
        "description": "Must be set to high, TTL Schmitt trigger input, 5-V tolerant"
      },
      {
        "number": "9",
        "name": "SEL1",
        "type": "input",
        "description": "Connected to the USB port of VBUS, TTL Schmitt trigger input, 5-V tolerant"
      },
      {
        "number": "10",
        "name": "VCCC",
        "type": "power_in",
        "description": "Analog codec power supply (connect decoupling capacitor to GND)"
      },
      {
        "number": "11",
        "name": "AGNDC",
        "type": "power_in",
        "description": "Analog ground for codec"
      },
      {
        "number": "12",
        "name": "VINL",
        "type": "input",
        "description": "ADC analog input for L-channel"
      },
      {
        "number": "13",
        "name": "VINR",
        "type": "input",
        "description": "ADC analog input for R-channel"
      },
      {
        "number": "14",
        "name": "VCOM",
        "type": "power_in",
        "description": "Common for ADC/DAC (VCCC/2) (connect decoupling capacitor to GND)"
      },
      {
        "number": "15",
        "name": "VOUTR",
        "type": "output",
        "description": "DAC analog output for R-channel"
      },
      {
        "number": "16",
        "name": "VOUTL",
        "type": "output",
        "description": "DAC analog output for L-channel"
      },
      {
        "number": "17",
        "name": "VCCP1",
        "type": "power_in",
        "description": "Analog PLL power supply (connect decoupling capacitor to GND)"
      },
      {
        "number": "18",
        "name": "AGNDP",
        "type": "power_in",
        "description": "Analog ground for PLL"
      },
      {
        "number": "19",
        "name": "VCCP2",
        "type": "power_in",
        "description": "Analog PLL power supply (connect decoupling capacitor to GND)"
      },
      {
        "number": "20",
        "name": "XTO",
        "type": "output",
        "description": "Crystal oscillator output"
      },
      {
        "number": "21",
        "name": "XTI",
        "type": "input",
        "description": "Crystal oscillator input, 3.3-V CMOS-level"
      },
      {
        "number": "22",
        "name": "AGNDX",
        "type": "power_in",
        "description": "Analog ground for oscillator"
      },
      {
        "number": "23",
        "name": "VCCX",
        "type": "power_in",
        "description": "Analog oscillator power supply (connect decoupling capacitor to GND)"
      },
      {
        "number": "24",
        "name": "DIN",
        "type": "input",
        "description": "S/PDIF input, 3.3-V CMOS-level with internal pulldown, 5-V tolerant"
      },
      {
        "number": "25",
        "name": "DOUT",
        "type": "output",
        "description": "S/PDIF output"
      },
      {
        "number": "26",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground"
      },
      {
        "number": "27",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply (connect decoupling capacitor to GND)"
      },
      {
        "number": "28",
        "name": "SSPND",
        "type": "output",
        "description": "Suspend flag output, active-low (Low: suspend, High: operational)"
      }
    ],
    "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": [],
        "pages_sent": 8,
        "cost_usd": 0.1379,
        "at": "2026-10-05T19:10:51"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/pcm2903c",
        "pages": 36,
        "sha256": "2632e24fa40432b2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}