ADC3641IRSBR

{
  "slug": "adc3641irsbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), VQFN-40(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "adc3641irsbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adc3641irsbr.kicad_sym",
    "adc3641irsbr.kicad_mod",
    "adc3641irsbr.glb",
    "adc3641irsbr.step",
    "adc3641irsbr.lbr",
    "docs/hero.png",
    "docs/adc3641irsbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adc3641irsbr-hero.glb",
    "adc3641irsbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "ADC3641IRSBR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-40(5x5)",
    "pin_count": 41,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/adc3641",
    "parts": {
      "symbol": "adc3641irsbr.kicad_sym",
      "footprint": "adc3641irsbr.kicad_mod",
      "model_3d": "adc3641irsbr-hero.glb",
      "model_3d_plain": "adc3641irsbr.glb",
      "model_3d_step": "adc3641irsbr-etched.step",
      "model_3d_step_plain": "adc3641irsbr.step",
      "lbr": "adc3641irsbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5215277",
      "digikey": "296-ADC3641IRSBRTR-ND",
      "mouser": "595-ADC3641IRSBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T15:06:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ADC3641IRSBRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADC3641IRSBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PDN/SYNC",
        "type": "input",
        "description": "Power down/synchronization input, active high, configurable via SPI, with an internal 21 kΩ pull-down resistor."
      },
      {
        "number": "2",
        "name": "VREF",
        "type": "power_in",
        "description": "External voltage reference input."
      },
      {
        "number": "3",
        "name": "REFGND",
        "type": "input",
        "description": "Reference ground input, 0 V."
      },
      {
        "number": "4",
        "name": "REFBUF",
        "type": "input",
        "description": "1.2 V external voltage reference input for use with the internal reference buffer, with an internal 100 kΩ pull-up to AVDD; this pin also configures default operating conditions."
      },
      {
        "number": "5",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog 1.8 V power supply (recommended 1.75 V to 1.85 V, measured to GND)."
      },
      {
        "number": "6",
        "name": "CLKP",
        "type": "input",
        "description": "Positive differential sampling clock input for the ADC."
      },
      {
        "number": "7",
        "name": "CLKM",
        "type": "input",
        "description": "Negative differential sampling clock input for the ADC."
      },
      {
        "number": "8",
        "name": "VCM",
        "type": "output",
        "description": "Common-mode voltage output for the analog inputs, 0.95 V, which must be provided externally on each input pin for DC-coupled inputs."
      },
      {
        "number": "9",
        "name": "RESET",
        "type": "input",
        "description": "Hardware reset, active high, with an internal 21 kΩ pull-down resistor."
      },
      {
        "number": "10",
        "name": "SDIO",
        "type": "bidirectional",
        "description": "Serial interface data input and output, with an internal 21 kΩ pull-down resistor."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0 V."
      },
      {
        "number": "12",
        "name": "AINP",
        "type": "input",
        "description": "Positive analog input, channel A (intended to be driven differentially with a 0.95 V input common-mode voltage)."
      },
      {
        "number": "13",
        "name": "AINM",
        "type": "input",
        "description": "Negative analog input, channel A (intended to be driven differentially with a 0.95 V input common-mode voltage)."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0 V."
      },
      {
        "number": "15",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog 1.8 V power supply (recommended 1.75 V to 1.85 V, measured to GND)."
      },
      {
        "number": "16",
        "name": "SEN",
        "type": "input",
        "description": "Serial interface enable, active low, with an internal 21 kΩ pull-up resistor to AVDD."
      },
      {
        "number": "17",
        "name": "DA0",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "18",
        "name": "DA1",
        "type": "bidirectional",
        "description": "CMOS digital data output; used as FCLK frame clock output for serialized CMOS output modes, configured using SPI."
      },
      {
        "number": "19",
        "name": "DA2",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "20",
        "name": "DA3",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "21",
        "name": "IOVDD",
        "type": "power_in",
        "description": "1.8 V power supply for the digital interface (recommended 1.75 V to 1.85 V, measured to GND)."
      },
      {
        "number": "22",
        "name": "DA4",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "23",
        "name": "DA5",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "24",
        "name": "DA6",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "25",
        "name": "DCLK",
        "type": "output",
        "description": "CMOS output for the data bit clock."
      },
      {
        "number": "26",
        "name": "IOGND",
        "type": "power_in",
        "description": "Ground, 0 V, for the digital interface."
      },
      {
        "number": "27",
        "name": "DB6",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "28",
        "name": "DB5",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "29",
        "name": "DB4",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "30",
        "name": "IOVDD",
        "type": "power_in",
        "description": "1.8 V power supply for the digital interface (recommended 1.75 V to 1.85 V, measured to GND)."
      },
      {
        "number": "31",
        "name": "DB3",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "32",
        "name": "DB2",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "33",
        "name": "DB1",
        "type": "bidirectional",
        "description": "CMOS digital data output; used as DCLKIN bit clock input for serialized CMOS output modes, configured using SPI; absolute maximum voltage on this pin is MIN(2.1, IOVDD+0.3) V."
      },
      {
        "number": "34",
        "name": "DB0",
        "type": "output",
        "description": "CMOS digital data output."
      },
      {
        "number": "35",
        "name": "SCLK",
        "type": "input",
        "description": "Serial interface clock input, with an internal 21 kΩ pull-down resistor."
      },
      {
        "number": "36",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog 1.8 V power supply (recommended 1.75 V to 1.85 V, measured to GND)."
      },
      {
        "number": "37",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0 V."
      },
      {
        "number": "38",
        "name": "BINM",
        "type": "input",
        "description": "Negative analog input, channel B (intended to be driven differentially with a 0.95 V input common-mode voltage)."
      },
      {
        "number": "39",
        "name": "BINP",
        "type": "input",
        "description": "Positive analog input, channel B (intended to be driven differentially with a 0.95 V input common-mode voltage)."
      },
      {
        "number": "40",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0 V."
      },
      {
        "number": "41",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: Package naming mismatch: the requested hint is VQFN-40 (5x5), but the datasheet calls this package R; Pin 10 (SDIO) is listed as type I in the datasheet table, but its description says it is data input ; Pin 18 (DA1) and pin 33 (DB1) are listed as I/O in the datasheet table, with the datasheet noting th",
          "exposed pad 41 added from the footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.089,
        "at": "2026-10-11T15:05:59"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/adc3641",
        "pages": 87,
        "sha256": "713e54efbc9dff1e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "adc3641irsbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8f37bc7a9aab4742c34f137d9822c0352acc227532830034555744338483cdfc",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adc3641irsbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8632dcbd1bfe10891ec259da545232561a453a7a7d64c1c274ad16bc3bd96b67",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}