PGA2311U

{
  "slug": "pga2311u",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Amplifiers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "pga2311u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "pga2311u.glb",
    "pga2311u.step",
    "pga2311u.lbr",
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    "docs/pga2311u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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  "component": {
    "mpn": "PGA2311U",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/pga2311",
    "parts": {
      "symbol": "pga2311u.kicad_sym",
      "footprint": "pga2311u.kicad_mod",
      "model_3d": "pga2311u-hero.glb",
      "model_3d_plain": "pga2311u.glb",
      "model_3d_step": "pga2311u-etched.step",
      "model_3d_step_plain": "pga2311u.step",
      "lbr": "pga2311u.lbr"
    },
    "distributor_links": {
      "lcsc": 2868611,
      "digikey": "PGA2311U-ND",
      "mouser": "595-PGA2311U"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T08:58:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "PGA2311U-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-PGA2311U",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ZCEN",
        "type": "input",
        "description": "Zero-crossing enable input (active high); enables gain transitions at zero-crossings with 16 ms timeout"
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Chip-select input (active low); data written when CS is LOW for 16-bit transfer"
      },
      {
        "number": "3",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input; 16-bit control word (8 bits per channel, MSB first, 0.5 dB step resolution)"
      },
      {
        "number": "4",
        "name": "VD+",
        "type": "power_in",
        "description": "Digital power supply +5 V nominal (4.75 V to 5.25 V operating range)"
      },
      {
        "number": "5",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference"
      },
      {
        "number": "6",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input; data latched on rising edge (0 to 6.25 MHz maximum)"
      },
      {
        "number": "7",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output; tri-state when CS HIGH, used for daisy-chaining multiple devices"
      },
      {
        "number": "8",
        "name": "MUTE",
        "type": "input",
        "description": "Mute control input (active low); disconnects output amplifier with 10 kΩ to ground termination"
      },
      {
        "number": "9",
        "name": "VINR",
        "type": "input",
        "description": "Analog input right channel; referenced to AGNDR with 2.5 Vrms maximum without clipping"
      },
      {
        "number": "10",
        "name": "AGNDR",
        "type": "power_in",
        "description": "Analog ground right channel"
      },
      {
        "number": "11",
        "name": "VOUTR",
        "type": "output",
        "description": "Analog output right channel; maximum swing within ±1.25 V of analog supply rails"
      },
      {
        "number": "12",
        "name": "VA+",
        "type": "power_in",
        "description": "Analog power supply +5 V nominal (4.75 V to 5.25 V operating range)"
      },
      {
        "number": "13",
        "name": "VA–",
        "type": "power_in",
        "description": "Analog power supply -5 V nominal (-4.75 V to -5.25 V operating range)"
      },
      {
        "number": "14",
        "name": "VOUTL",
        "type": "output",
        "description": "Analog output left channel; maximum swing within ±1.25 V of analog supply rails"
      },
      {
        "number": "15",
        "name": "AGNDL",
        "type": "power_in",
        "description": "Analog ground left channel"
      },
      {
        "number": "16",
        "name": "VINL",
        "type": "input",
        "description": "Analog input left channel; referenced to AGNDL with 2.5 Vrms maximum without clipping"
      }
    ],
    "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": 27,
        "cost_usd": 0.1325,
        "at": "2026-10-03T08:57:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/pga2311",
        "pages": 27,
        "sha256": "17b42f9e9b169986",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  }
}