ADS1261BIRHBT

{
  "slug": "ads1261birhbt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADCs), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "ads1261birhbt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1261birhbt.kicad_sym",
    "ads1261birhbt.kicad_mod",
    "ads1261birhbt.glb",
    "ads1261birhbt.step",
    "ads1261birhbt.lbr",
    "docs/hero.png",
    "docs/ads1261birhbt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads1261birhbt-hero.glb",
    "ads1261birhbt-hero.overlay.json"
  ],
  "component": {
    "mpn": "ADS1261BIRHBT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads1261",
    "parts": {
      "symbol": "ads1261birhbt.kicad_sym",
      "footprint": "ads1261birhbt.kicad_mod",
      "model_3d": "ads1261birhbt-hero.glb",
      "model_3d_plain": "ads1261birhbt.glb",
      "model_3d_step": "ads1261birhbt-etched.step",
      "model_3d_step_plain": "ads1261birhbt.step",
      "lbr": "ads1261birhbt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2669964",
      "digikey": "296-53167-2-ND",
      "mouser": "595-ADS1261BIRHBT"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T02:12:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-53167-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS1261BIRHBT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AINCOM",
        "type": "bidirectional",
        "description": "Analog input common, also usable as the IDAC1, IDAC2 and VBIAS connection."
      },
      {
        "number": "2",
        "name": "CAPP",
        "type": "output",
        "description": "PGA output P; connect a 4.7-nF C0G dielectric capacitor across CAPP and CAPN."
      },
      {
        "number": "3",
        "name": "CAPN",
        "type": "output",
        "description": "PGA output N; connect a 4.7-nF C0G dielectric capacitor across CAPP and CAPN."
      },
      {
        "number": "4",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply; AVDD to AVSS absolute maximum is 7 V."
      },
      {
        "number": "5",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog power supply; also the connection point for the exposed thermal pad."
      },
      {
        "number": "6",
        "name": "REFOUT",
        "type": "output",
        "description": "Internal 2.5-V reference output; connect a 10-µF capacitor to AVSS."
      },
      {
        "number": "7",
        "name": "PWDN",
        "type": "input",
        "description": "Power-down control input, active low."
      },
      {
        "number": "8",
        "name": "RESET",
        "type": "input",
        "description": "Reset input, active low."
      },
      {
        "number": "9",
        "name": "START",
        "type": "input",
        "description": "Start conversion control input, active high."
      },
      {
        "number": "10",
        "name": "CS",
        "type": "input",
        "description": "Serial interface chip select, active low; must remain low for the entire data transaction."
      },
      {
        "number": "11",
        "name": "SCLK",
        "type": "input",
        "description": "Serial interface shift clock input; Schmitt-triggered input that should be kept noise-free."
      },
      {
        "number": "12",
        "name": "DIN",
        "type": "input",
        "description": "Serial interface data input; data are latched on the falling edge of SCLK."
      },
      {
        "number": "13",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready indicator output, active low."
      },
      {
        "number": "14",
        "name": "DOUT/DRDY",
        "type": "output",
        "description": "Dual-function serial data output and active-low data ready indicator; high-impedance when CS is high."
      },
      {
        "number": "15",
        "name": "BYPASS",
        "type": "output",
        "description": "Internal subregulator bypass; connect a 1-µF capacitor to DGND."
      },
      {
        "number": "16",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "17",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply; DVDD to DGND absolute maximum is 7 V."
      },
      {
        "number": "18",
        "name": "CLKIN",
        "type": "input",
        "description": "Connect to DGND for the internal oscillator, or drive with an external clock input."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; electrically float or connect to DGND."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; electrically float or connect to DGND."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; electrically float or connect to DGND."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; electrically float or connect to DGND."
      },
      {
        "number": "23",
        "name": "AIN9",
        "type": "bidirectional",
        "description": "Analog input 9, also usable as IDAC1 and IDAC2 connection."
      },
      {
        "number": "24",
        "name": "AIN8",
        "type": "bidirectional",
        "description": "Analog input 8, also usable as IDAC1 and IDAC2 connection."
      },
      {
        "number": "25",
        "name": "AIN7",
        "type": "bidirectional",
        "description": "Analog input 7, also usable as IDAC1 and IDAC2 connection."
      },
      {
        "number": "26",
        "name": "AIN6",
        "type": "bidirectional",
        "description": "Analog input 6, also usable as IDAC1 and IDAC2 connection."
      },
      {
        "number": "27",
        "name": "AIN5",
        "type": "bidirectional",
        "description": "Analog input 5, also usable as IDAC1/IDAC2, GPIO3 and ACX2."
      },
      {
        "number": "28",
        "name": "AIN4",
        "type": "bidirectional",
        "description": "Analog input 4, also usable as IDAC1/IDAC2, GPIO2 and ACX1."
      },
      {
        "number": "29",
        "name": "AIN3",
        "type": "bidirectional",
        "description": "Analog input 3, also usable as IDAC1/IDAC2, REFN1, GPIO1 and ACX2."
      },
      {
        "number": "30",
        "name": "AIN2",
        "type": "bidirectional",
        "description": "Analog input 2, also usable as IDAC1/IDAC2, REFP1, GPIO0 and ACX1."
      },
      {
        "number": "31",
        "name": "AIN1",
        "type": "bidirectional",
        "description": "Analog input 1, also usable as IDAC1/IDAC2 and REFN0."
      },
      {
        "number": "32",
        "name": "AIN0",
        "type": "bidirectional",
        "description": "Analog input 0, also usable as IDAC1/IDAC2 and REFP0."
      },
      {
        "number": "33",
        "name": "Thermal Pad",
        "type": "passive",
        "description": "Exposed thermal pad; connect to AVSS, and the pad must be soldered for mechanical integrity."
      }
    ],
    "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 thermal pad is not numbered in the pin table (it is listed as 'Thermal Pad'). The number 33 is t; Pinout taken from the ADS1261 column of the pin table (page 5), which matches the RHB VQFN-32 packag; Pins 19-22 are NC on the ADS1261 and are listed as a group in the source; each is given individually",
          "1/33 pins cited to the wrong page (name found elsewhere): ['33:Thermal Pad@p5']"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1203,
        "at": "2026-10-08T02:11:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads1261",
        "pages": 92,
        "sha256": "0369aa88e789386f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads1261birhbt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1261birhbt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "6a6b52e7ac4bcfd743955f01b64bbeb8044280348670eefc82f8162e6d9bce1f",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}