TDA7786C

{
  "schema_version": 1,
  "type": "component",
  "slug": "tda7786c",
  "title": "TDA7786C",
  "brief": "STMicroelectronics RF Transceiver ICs, LQFP-64(10x10). 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",
    "rf and wireless",
    "tda7786c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TDA7786C",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590449837084090368",
    "parts": {
      "symbol": "tda7786c.kicad_sym",
      "footprint": "tda7786c.kicad_mod",
      "model_3d": "tda7786c-hero.glb",
      "model_3d_plain": "tda7786c.glb",
      "model_3d_step": "tda7786c-etched.step",
      "model_3d_step_plain": "tda7786c.step",
      "lbr": "tda7786c.lbr"
    },
    "distributor_links": {
      "lcsc": "C1526143",
      "digikey": "TDA7786C-ND",
      "mouser": "511-TDA7786C"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:37:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TDA7786C-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "511-TDA7786C",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FMPINDRV",
        "type": "output",
        "description": "FM PIN diode driver output."
      },
      {
        "number": "2",
        "name": "FMPINDdec",
        "type": "input",
        "description": "Integrated FM PIN diode decoupling."
      },
      {
        "number": "3",
        "name": "FMMIXdec",
        "type": "passive",
        "description": "FM RF signal ground."
      },
      {
        "number": "4",
        "name": "FMMIXin2",
        "type": "input",
        "description": "FM mixer input 2."
      },
      {
        "number": "5",
        "name": "FMMIXin1",
        "type": "input",
        "description": "FM mixer input 1."
      },
      {
        "number": "6",
        "name": "GNDRF",
        "type": "power_in",
        "description": "RF power ground."
      },
      {
        "number": "7",
        "name": "TCAM",
        "type": "passive",
        "description": "AM AGC time constant."
      },
      {
        "number": "8",
        "name": "VCCRF",
        "type": "power_in",
        "description": "RF 5 V supply."
      },
      {
        "number": "9",
        "name": "CK_SEL",
        "type": "input",
        "description": "Master/Slave clock operation select."
      },
      {
        "number": "10",
        "name": "GNDVCO",
        "type": "power_in",
        "description": "VCO ground."
      },
      {
        "number": "11",
        "name": "LFref",
        "type": "passive",
        "description": "Loop filter reference."
      },
      {
        "number": "12",
        "name": "LF1",
        "type": "passive",
        "description": "Loop filter output."
      },
      {
        "number": "13",
        "name": "VCCVCO",
        "type": "power_in",
        "description": "VCO 5 V supply."
      },
      {
        "number": "14",
        "name": "TCAM2",
        "type": "passive",
        "description": "AM AGC 2nd order time constant."
      },
      {
        "number": "15",
        "name": "PINDdec",
        "type": "passive",
        "description": "AM AGC internal PIN diode decoupling."
      },
      {
        "number": "16",
        "name": "PINDin",
        "type": "passive",
        "description": "AM AGC internal PIN diode input."
      },
      {
        "number": "17",
        "name": "GNDLNA",
        "type": "power_in",
        "description": "AM LNA ground."
      },
      {
        "number": "18",
        "name": "LNAin",
        "type": "input",
        "description": "AM LNA input."
      },
      {
        "number": "19",
        "name": "LNAdec",
        "type": "passive",
        "description": "AM LNA decoupling."
      },
      {
        "number": "20",
        "name": "LNAout",
        "type": "output",
        "description": "AM LNA output."
      },
      {
        "number": "21",
        "name": "LNAin2",
        "type": "passive",
        "description": "AM LNA input 2nd stage."
      },
      {
        "number": "22",
        "name": "LNAout2",
        "type": "passive",
        "description": "AM LNA output 2nd stage."
      },
      {
        "number": "23",
        "name": "LNAdec2",
        "type": "passive",
        "description": "AM LNA decoupling 2nd stage."
      },
      {
        "number": "24",
        "name": "AMMIXin1",
        "type": "input",
        "description": "AM mixer input 1."
      },
      {
        "number": "25",
        "name": "AMMIXin2",
        "type": "input",
        "description": "AM mixer input 2."
      },
      {
        "number": "26",
        "name": "GNDSLINK",
        "type": "power_in",
        "description": "Internal inter-IC communication bus ground."
      },
      {
        "number": "27",
        "name": "Vdig",
        "type": "power_in",
        "description": "Front-end digital 5 V supply."
      },
      {
        "number": "28",
        "name": "VCCreg1V2",
        "type": "power_in",
        "description": "Internal 1.2 V regulator 5 V supply."
      },
      {
        "number": "29",
        "name": "REG1V2",
        "type": "power_out",
        "description": "Internal 1.2 V regulator output."
      },
      {
        "number": "30",
        "name": "Vreg3v3",
        "type": "power_out",
        "description": "Internal 3.3 V regulator output."
      },
      {
        "number": "31",
        "name": "RSTN",
        "type": "input",
        "description": "Reset (low active), pull-up 50 kΩ to 3.3 V IO supply."
      },
      {
        "number": "32",
        "name": "ADDSEL",
        "type": "input",
        "description": "I2C address select, pull-down 50 kΩ to ground."
      },
      {
        "number": "33",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C bus data, pull-up 50 kΩ to 3.3 V IO supply."
      },
      {
        "number": "34",
        "name": "SCL",
        "type": "input",
        "description": "I2C bus clock, pull-up 50 kΩ to 3.3 V IO supply."
      },
      {
        "number": "35",
        "name": "VDD3V3",
        "type": "power_in",
        "description": "IO ring (3.3 V) supply."
      },
      {
        "number": "36",
        "name": "GND3V3",
        "type": "power_in",
        "description": "IO ring (3.3 V) ground, listed in the table as IO ring (3.3 V) supply."
      },
      {
        "number": "37",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "38",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "39",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "40",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "41",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "42",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "43",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "44",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "45",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "46",
        "name": "GND1V2",
        "type": "power_in",
        "description": "DSP core ground."
      },
      {
        "number": "47",
        "name": "VDD core 1V2",
        "type": "power_in",
        "description": "DSP core 1.2 V supply."
      },
      {
        "number": "48",
        "name": "Test",
        "type": "input",
        "description": "Test mode, pull-down 50 kΩ to ground."
      },
      {
        "number": "49",
        "name": "VDDPLL1V2",
        "type": "power_in",
        "description": "Digital PLL 1.2 V supply."
      },
      {
        "number": "50",
        "name": "VDDIO1V2",
        "type": "power_in",
        "description": "Internal inter-IC communication 1.2 V supply."
      },
      {
        "number": "51",
        "name": "VCC-REF",
        "type": "power_in",
        "description": "Front-end reference frequency and regulator 5 V supply."
      },
      {
        "number": "52",
        "name": "OSCin",
        "type": "input",
        "description": "Crystal oscillator input."
      },
      {
        "number": "53",
        "name": "OSCout",
        "type": "output",
        "description": "Crystal oscillator output."
      },
      {
        "number": "54",
        "name": "GND-REF",
        "type": "power_in",
        "description": "Front-end reference frequency and regulator ground."
      },
      {
        "number": "55",
        "name": "Vrefdec",
        "type": "passive",
        "description": "3.3 V bias generation decoupling."
      },
      {
        "number": "56",
        "name": "GND-ADC_DAC",
        "type": "power_in",
        "description": "IFADC and audio DAC ground."
      },
      {
        "number": "57",
        "name": "DACoutL",
        "type": "output",
        "description": "Audio output left."
      },
      {
        "number": "58",
        "name": "DACoutR",
        "type": "output",
        "description": "Audio output right."
      },
      {
        "number": "59",
        "name": "VCC-ADC_DAC",
        "type": "power_in",
        "description": "IFADC and audio DAC 5 V supply."
      },
      {
        "number": "60",
        "name": "VCC-PLL",
        "type": "power_in",
        "description": "Tuning PLL 5 V supply."
      },
      {
        "number": "61",
        "name": "GND-PLL",
        "type": "power_in",
        "description": "Tuning PLL ground."
      },
      {
        "number": "62",
        "name": "PLLtest",
        "type": "output",
        "description": "PLL test output."
      },
      {
        "number": "63",
        "name": "TCFM",
        "type": "passive",
        "description": "FM AGC time constant."
      },
      {
        "number": "64",
        "name": "TVDAC",
        "type": "output",
        "description": "Tuning voltage output."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 2 describes pin 36 GND3V3 as 'IO ring (3.3 V) supply' (same text as pin 35); typed as ground b; I/O is given as '-' in the table for these pins, so their types (passive) are inferred from the desc; Pin names in the table differ slightly from the figure (e.g. GNDRF vs GND-RF, VCCRF vs VCC-RF); tabl",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.6029,
        "at": "2026-10-08T18:36:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590449837084090368",
        "pages": 44,
        "sha256": "e7207ef3adaa2829",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tda7786c.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tda7786c-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "74f28f9d65267da357bbfb2e5dc9c61397c7e0b3408594293da89cac13a2be5f",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-64(10x10)",
      "Category": "RF And Wireless",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tda7786c"
  ],
  "discovery_pitch": "TDA7786C (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tda7786c.kicad_sym",
    "tda7786c.kicad_mod",
    "tda7786c.glb",
    "tda7786c.step",
    "tda7786c.lbr",
    "docs/hero.png",
    "docs/tda7786c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tda7786c-hero.glb",
    "tda7786c-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}