PT7314E

{
  "schema_version": 1,
  "type": "component",
  "slug": "pt7314e",
  "title": "PT7314E",
  "brief": "PTC(Princeton Tech) Audio Interface ICs, SOP-28-300mil. 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",
    "interface ics",
    "pt7314e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PT7314E",
    "manufacturer": "PTC(Princeton Tech)",
    "package": "SOP-28-300mil",
    "pin_count": 28,
    "category": "Interface ICs",
    "subcategory": "Audio Interface ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/89a78d27d0d74cd394e974461cb19ffc.pdf",
    "parts": {
      "symbol": "pt7314e.kicad_sym",
      "footprint": "pt7314e.kicad_mod",
      "model_3d": "pt7314e-hero.glb",
      "model_3d_plain": "pt7314e-etched.glb",
      "model_3d_step": "pt7314e-etched.step",
      "model_3d_step_plain": "pt7314e.step",
      "lbr": "pt7314e.lbr"
    },
    "distributor_links": {
      "lcsc": "C126414"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:16:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 607 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input voltage, operating range 4V to 10V."
      },
      {
        "number": "2",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "3",
        "name": "TREB_L",
        "type": "input",
        "description": "Left channel input for treble controller."
      },
      {
        "number": "4",
        "name": "TREB_R",
        "type": "input",
        "description": "Right channel input for treble controller."
      },
      {
        "number": "5",
        "name": "RIN",
        "type": "input",
        "description": "Right channel volume controller input."
      },
      {
        "number": "6",
        "name": "ROUT",
        "type": "output",
        "description": "Right channel input selector output."
      },
      {
        "number": "7",
        "name": "LOUD_R",
        "type": "input",
        "description": "Right channel loudness input."
      },
      {
        "number": "8",
        "name": "RIN4",
        "type": "input",
        "description": "Right channel input 4."
      },
      {
        "number": "9",
        "name": "RIN3",
        "type": "input",
        "description": "Right channel input 3."
      },
      {
        "number": "10",
        "name": "RIN2",
        "type": "input",
        "description": "Right channel input 2."
      },
      {
        "number": "11",
        "name": "RIN1",
        "type": "input",
        "description": "Right channel input 1."
      },
      {
        "number": "12",
        "name": "LOUD_L",
        "type": "input",
        "description": "Left channel loudness input."
      },
      {
        "number": "13",
        "name": "LIN4",
        "type": "input",
        "description": "Left channel input 4."
      },
      {
        "number": "14",
        "name": "LIN3",
        "type": "input",
        "description": "Left channel input 3."
      },
      {
        "number": "15",
        "name": "LIN2",
        "type": "input",
        "description": "Left channel input 2."
      },
      {
        "number": "16",
        "name": "LIN1",
        "type": "input",
        "description": "Left channel input 1."
      },
      {
        "number": "17",
        "name": "LIN",
        "type": "input",
        "description": "Left channel volume controller input."
      },
      {
        "number": "18",
        "name": "LOUT",
        "type": "output",
        "description": "Left channel input selector output."
      },
      {
        "number": "19",
        "name": "BIN_L",
        "type": "input",
        "description": "Left channel input for bass controller."
      },
      {
        "number": "20",
        "name": "BOUT_L",
        "type": "output",
        "description": "Left channel output for bass controller."
      },
      {
        "number": "21",
        "name": "BIN_R",
        "type": "input",
        "description": "Right channel input for bass controller."
      },
      {
        "number": "22",
        "name": "BOUT_R",
        "type": "output",
        "description": "Right channel output for bass controller."
      },
      {
        "number": "23",
        "name": "OUT_R",
        "type": "output",
        "description": "Right channel output."
      },
      {
        "number": "24",
        "name": "OUT_L",
        "type": "output",
        "description": "Left channel output."
      },
      {
        "number": "25",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "26",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data line; the device pulls it low to acknowledge each received byte (chip address 88H)."
      },
      {
        "number": "27",
        "name": "SCL",
        "type": "input",
        "description": "I2C clock input."
      },
      {
        "number": "28",
        "name": "REF",
        "type": "passive",
        "description": "Analog reference voltage (1/2 VDD), decoupled with a capacitor that sets the I2C initial time."
      }
    ],
    "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: Datasheet lists SDA as input (I), but it is driven low by the slave for ACK, so it was typed bidirec; REF is listed with no I/O direction (-); typed passive as an analog reference node with an external ; The pin-configuration drawing on page 3 has unclear label placement for LIN4/LIN3 and RIN4. The pin "
        ],
        "pages_sent": 16,
        "cost_usd": 0.1155,
        "at": "2026-10-22T23:15:47"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/89a78d27d0d74cd394e974461cb19ffc.pdf",
        "pages": 16,
        "sha256": "0386e16470eb8534",
        "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"
    },
    "models_3d": [
      {
        "file": "pt7314e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          11.636,
          18.16,
          2.666
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ecc34510e8f74b6103a72c2f24133ad80006c738972a56531d1221b277fcecdb",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pt7314e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          11.636,
          18.16,
          2.666
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4c8380eabeac1e1c497e58edd4450ac7369267f8ed6d8a41034d36bfd0222c3a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "PTC(Princeton Tech)",
      "Package": "SOP-28-300mil",
      "Category": "Interface ICs",
      "Pins": "28"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0386e16470eb853425d6dc1e01703409e6c4de07b0ebd3fe35f42455198de79d",
      "rows": [
        {
          "name": "Operating supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input latch up current",
          "symbol": "Iin",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "HBM",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Human body model",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "ESD MM",
          "symbol": "MM",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "Machine model",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max VDD+0.3 V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": 9,
          "max": 10,
          "conditions": "Quick reference data",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 9,
          "max": 10,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "Is",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 30,
          "max": 40,
          "conditions": "VDD=9V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "Is",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 25,
          "max": 32,
          "conditions": "VDD=5V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input resistance (input selector)",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 35,
          "typ": 50,
          "max": 70,
          "conditions": "Input 1,2,3,4",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Max. input level",
          "symbol": "Vimax",
          "kind": "electrical",
          "unit": "Vrms",
          "min": 2.3,
          "typ": 2.6,
          "max": null,
          "conditions": "All Gain=0dB; THD=1%",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input separation",
          "symbol": "ISIN",
          "kind": "electrical",
          "unit": "dB",
          "min": 90,
          "typ": 100,
          "max": null,
          "conditions": "F=20~20KHz",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Min. input gain",
          "symbol": "GINmin",
          "kind": "electrical",
          "unit": "dB",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Max. input gain",
          "symbol": "GINmax",
          "kind": "electrical",
          "unit": "dB",
          "min": 10.5,
          "typ": 11.25,
          "max": 12,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Gain set error",
          "symbol": "EA",
          "kind": "electrical",
          "unit": "dB",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Minimum load (selector)",
          "symbol": "RL",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "Vo=2Vrms, LOUT,ROUT",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "DC offset (selector)",
          "symbol": "VDCO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "0dB to +11.25dB",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input resistance (volume)",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 13,
          "typ": 20,
          "max": 27,
          "conditions": "VOL=0dB",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Min. attenuation (volume)",
          "symbol": "AVMIN",
          "kind": "electrical",
          "unit": "dB",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Max. attenuation (volume)",
          "symbol": "AVMAX",
          "kind": "electrical",
          "unit": "dB",
          "min": -75,
          "typ": -78.75,
          "max": -82,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Step resolution (volume)",
          "symbol": "ASTEP",
          "kind": "electrical",
          "unit": "dB",
          "min": 1.15,
          "typ": 1.25,
          "max": 1.3,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Attenuation set error (volume)",
          "symbol": "EA",
          "kind": "electrical",
          "unit": "dB",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "VOL=0 ~ -70dB",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Max. gain (speaker)",
          "symbol": "AVMIN",
          "kind": "electrical",
          "unit": "dB",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Max. attenuation (speaker)",
          "symbol": "AVMAX",
          "kind": "electrical",
          "unit": "dB",
          "min": -36,
          "typ": -37.5,
          "max": -39,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Step resolution (speaker)",
          "symbol": "SSTEP",
          "kind": "electrical",
          "unit": "dB",
          "min": 1.15,
          "typ": 1.25,
          "max": 1.35,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Attenuation set error (speaker)",
          "symbol": "EA",
          "kind": "electrical",
          "unit": "dB",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output mute attenuation",
          "symbol": "AMUTE",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "DC offset (speaker)",
          "symbol": "VDCO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "0dB to MUTE",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Bass control range",
          "symbol": "Gb",
          "kind": "electrical",
          "unit": "dB",
          "min": -12,
          "typ": 14,
          "max": 12,
          "conditions": "Max. Boost/Cut, ±12 to ±16",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Bass step resolution",
          "symbol": "BSTEP",
          "kind": "electrical",
          "unit": "dB",
          "min": 1.7,
          "typ": 2,
          "max": 2.3,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Feedback resistance",
          "symbol": "RB",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 34,
          "typ": 44,
          "max": 58,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Treble control range",
          "symbol": "Gt",
          "kind": "electrical",
          "unit": "dB",
          "min": -12,
          "typ": 14,
          "max": 12,
          "conditions": "Max. Boost/Cut, ±12 to ±16",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Treble step resolution",
          "symbol": "TSTEP",
          "kind": "electrical",
          "unit": "dB",
          "min": 1.7,
          "typ": 2,
          "max": 2.3,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Loudness boost gain",
          "symbol": "GLD",
          "kind": "electrical",
          "unit": "dB",
          "min": 18,
          "typ": 20,
          "max": 22,
          "conditions": "Volume=-40dB, F=20Hz",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Max. output level",
          "symbol": "VOMAX",
          "kind": "electrical",
          "unit": "Vrms",
          "min": 2.3,
          "typ": 2.6,
          "max": null,
          "conditions": "THD=1%",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "DC voltage level",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "VDD",
          "min": 0.49,
          "typ": 0.5,
          "max": 0.51,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Minimum load (output)",
          "symbol": "RL",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Distortion",
          "symbol": "THD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.03,
          "max": 0.07,
          "conditions": "All Gain=0, Vin=1Vrms",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Distortion",
          "symbol": "THD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.01,
          "max": 0.03,
          "conditions": "All Gain=0, Vin=100Vrms",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Channel separation",
          "symbol": "Cs",
          "kind": "electrical",
          "unit": "dB",
          "min": 90,
          "typ": 100,
          "max": null,
          "conditions": "L to R or R to L channel",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDD=9V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "VDD=9V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Signal to noise ratio",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dBV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "All Gain=0dB,A-weighted",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "I2C crosstalk",
          "symbol": "Ct",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
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