ADC12020CIVYX

{
  "slug": "adc12020civyx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "adc12020civyx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adc12020civyx.kicad_sym",
    "adc12020civyx.kicad_mod",
    "adc12020civyx.glb",
    "adc12020civyx.step",
    "adc12020civyx.lbr",
    "docs/hero.png",
    "docs/adc12020civyx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adc12020civyx-hero.glb",
    "adc12020civyx-hero.overlay.json"
  ],
  "component": {
    "mpn": "ADC12020CIVYX",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-32(7x7)",
    "pin_count": 32,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/adc12020",
    "parts": {
      "symbol": "adc12020civyx.kicad_sym",
      "footprint": "adc12020civyx.kicad_mod",
      "model_3d": "adc12020civyx-hero.glb",
      "model_3d_plain": "adc12020civyx.glb",
      "model_3d_step": "adc12020civyx-etched.step",
      "model_3d_step_plain": "adc12020civyx.step",
      "lbr": "adc12020civyx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2669933",
      "digikey": "ADC12020CIVYX-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:05:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADC12020CIVYX-ND",
        "status": "found",
        "lifecycle": "Discontinued at DigiKey"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference input bypassed to AGND with a 0.1 µF monolithic capacitor, 2.0 V nominal and to be kept between 1.0 V and 2.2 V."
      },
      {
        "number": "2",
        "name": "VIN+",
        "type": "power_in",
        "description": "Non-inverting analog signal input; with a 2.0 V reference the differential input is 2.0 VP-P centered on VCM."
      },
      {
        "number": "3",
        "name": "VIN−",
        "type": "power_in",
        "description": "Inverting analog signal input; with a 2.0 V reference the ground-referenced input is 2.0 VP-P centered on VCM, and it may be tied to VCM for single-ended operation although a differential input gives best performance."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground return for the analog supply."
      },
      {
        "number": "5",
        "name": "VA",
        "type": "power_in",
        "description": "Positive analog supply, connected to a quiet +5 V source and bypassed to AGND with 0.1 µF and 10 µF capacitors within 1 cm of the pin."
      },
      {
        "number": "6",
        "name": "VA",
        "type": "power_in",
        "description": "Positive analog supply, connected to a quiet +5 V source and bypassed to AGND with 0.1 µF and 10 µF capacitors within 1 cm of the pin."
      },
      {
        "number": "7",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground return for the analog supply."
      },
      {
        "number": "8",
        "name": "PD",
        "type": "input",
        "description": "Power-down input; when high the converter enters power-down mode (about 40 mW), and when low the converter is active."
      },
      {
        "number": "9",
        "name": "DGND",
        "type": "power_in",
        "description": "Ground return for the digital supply."
      },
      {
        "number": "10",
        "name": "CLK",
        "type": "input",
        "description": "Digital clock input with a range of 100 kHz to 30 MHz (typical), specified at 20 MHz, sampled on its rising edge."
      },
      {
        "number": "11",
        "name": "OE",
        "type": "input",
        "description": "Output enable; when low the TRI-STATE data outputs are enabled, and when high the outputs are in a high-impedance state."
      },
      {
        "number": "12",
        "name": "DGND",
        "type": "power_in",
        "description": "Ground return for the digital supply."
      },
      {
        "number": "13",
        "name": "VD",
        "type": "power_in",
        "description": "Positive digital supply, connected to the same quiet +5 V source as VA and bypassed to DGND with 0.1 µF in parallel with 10 µF within 1 cm of the pin."
      },
      {
        "number": "14",
        "name": "D0",
        "type": "tri_state",
        "description": "Digital data output, LSB of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "15",
        "name": "D1",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "16",
        "name": "D2",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "17",
        "name": "D3",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "18",
        "name": "D4",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "19",
        "name": "D5",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "20",
        "name": "DR GND",
        "type": "power_in",
        "description": "Ground return for the output driver digital supply, to be connected to system digital ground and not in close proximity to the DGND or AGND pins."
      },
      {
        "number": "21",
        "name": "VDR",
        "type": "power_in",
        "description": "Positive digital supply for the output drivers, operated from +2.35 V to +5 V (never above VD) and bypassed to DRGND with 0.1 µF."
      },
      {
        "number": "22",
        "name": "D6",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "23",
        "name": "D7",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "24",
        "name": "D8",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "25",
        "name": "D9",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "26",
        "name": "D10",
        "type": "tri_state",
        "description": "Digital data output bit of the 12-bit offset binary result, with TTL/CMOS compatible levels."
      },
      {
        "number": "27",
        "name": "D11",
        "type": "tri_state",
        "description": "MSB of the 12-bit offset binary output word, with TTL/CMOS compatible levels."
      },
      {
        "number": "28",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground return for the analog supply."
      },
      {
        "number": "29",
        "name": "VA",
        "type": "power_in",
        "description": "Positive analog supply, connected to a quiet +5 V source and bypassed to AGND with 0.1 µF and 10 µF capacitors within 1 cm of the pin."
      },
      {
        "number": "30",
        "name": "VRN",
        "type": "passive",
        "description": "High-impedance reference bypass pin, bypassed to AGND with a 0.1 µF capacitor; do not load this pin."
      },
      {
        "number": "31",
        "name": "VRP",
        "type": "passive",
        "description": "High-impedance reference bypass pin, bypassed to AGND with a 0.1 µF capacitor; do not load this pin."
      },
      {
        "number": "32",
        "name": "VRM",
        "type": "passive",
        "description": "High-impedance reference bypass pin, bypassed to AGND with a 0.1 µF capacitor; do not load this pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The requested package hint is TQFP-32 (7x7), but the datasheet only documents a 32-lead LQFP (NEY003; The datasheet lists the data output pins only as the pin ranges 14-19 and 22-27 for D0-D11, without ; Pin 1 VREF is described as 1.0 V to 2.2 V in the pin description, while the Operating Ratings table ",
          "7/32 pins cited to the wrong page (name found elsewhere): ['15:D1@p4', '16:D2@p4', '17:D3@p4', '18:D4@p4']",
          "1/32 pin names appear NOWHERE in the datasheet text: ['24:D8@p4']"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0676,
        "at": "2026-10-08T21:04:59"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/adc12020",
        "pages": 34,
        "sha256": "f2e8148bde22efb7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "adc12020civyx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adc12020civyx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "21037f3c967637bf3ead60410340cded8c00375470bd2853e18f6685fd2386c8",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}