ADS1256IDBT

{
  "slug": "ads1256idbt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads1256idbt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1256idbt.kicad_sym",
    "ads1256idbt.kicad_mod",
    "ads1256idbt.glb",
    "ads1256idbt.step",
    "ads1256idbt.lbr",
    "docs/hero.png",
    "docs/ads1256idbt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "ADS1256IDBT",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads1256",
    "parts": {
      "symbol": "ads1256idbt.kicad_sym",
      "footprint": "ads1256idbt.kicad_mod",
      "model_3d": "ads1256idbt-etched.glb",
      "model_3d_plain": "ads1256idbt.glb",
      "model_3d_step": "ads1256idbt-etched.step",
      "model_3d_step_plain": "ads1256idbt.step",
      "lbr": "ads1256idbt.lbr"
    },
    "distributor_links": {
      "lcsc": "C701629",
      "digikey": "296-15208-2-ND",
      "mouser": "595-ADS1256IDBT"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T17:16:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-15208-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-ADS1256IDBT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 4.75 to 5.25V operating range."
      },
      {
        "number": "2",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "3",
        "name": "VREFN",
        "type": "input",
        "description": "Negative reference input; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "4",
        "name": "VREFP",
        "type": "input",
        "description": "Positive reference input; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "5",
        "name": "AINCOM",
        "type": "input",
        "description": "Analog input common reference; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "6",
        "name": "AIN0",
        "type": "input",
        "description": "Differential or single-ended analog input 0; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "7",
        "name": "AIN1",
        "type": "input",
        "description": "Differential or single-ended analog input 1; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "8",
        "name": "AIN2",
        "type": "input",
        "description": "Differential or single-ended analog input 2; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "9",
        "name": "AIN3",
        "type": "input",
        "description": "Differential or single-ended analog input 3; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "10",
        "name": "AIN4",
        "type": "input",
        "description": "Differential or single-ended analog input 4; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "11",
        "name": "AIN5",
        "type": "input",
        "description": "Differential or single-ended analog input 5; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "12",
        "name": "AIN6",
        "type": "input",
        "description": "Differential or single-ended analog input 6; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "13",
        "name": "AIN7",
        "type": "input",
        "description": "Differential or single-ended analog input 7; voltage range -0.1V to AVDD+0.1V."
      },
      {
        "number": "14",
        "name": "SYNC/PDWN",
        "type": "input",
        "description": "Active-low synchronization or power-down input; Schmitt-trigger, 5V tolerant, minimum pulse width 4 τCLKIN."
      },
      {
        "number": "15",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input; Schmitt-trigger, 5V tolerant, minimum pulse width 4 τCLKIN."
      },
      {
        "number": "16",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply, 1.8 to 3.6V operating range."
      },
      {
        "number": "17",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "18",
        "name": "XTAL2",
        "type": "passive",
        "description": "Crystal oscillator connection; leave floating when using external clock on XTAL1/CLKIN."
      },
      {
        "number": "19",
        "name": "XTAL1/CLKIN",
        "type": "input",
        "description": "Crystal oscillator connection or external clock input (0.1 to 10MHz); 5V tolerant."
      },
      {
        "number": "20",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select input; Schmitt-trigger, 5V tolerant, can be permanently tied low."
      },
      {
        "number": "21",
        "name": "DRDY",
        "type": "output",
        "description": "Active-low data ready output; indicates when valid conversion data is ready."
      },
      {
        "number": "22",
        "name": "DOUT",
        "type": "tri_state",
        "description": "Serial data output with high impedance when CS is high; output on rising SCLK edge."
      },
      {
        "number": "23",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input; Schmitt-trigger, 5V tolerant, shifted in on SCLK falling edge."
      },
      {
        "number": "24",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input; Schmitt-trigger, 5V tolerant, minimum pulse width 200ns high and low."
      },
      {
        "number": "25",
        "name": "D0/CLKOUT",
        "type": "bidirectional",
        "description": "Digital I/O 0 or programmable clock output; configurable as input or output, default enabled as fCLKIN clock output."
      },
      {
        "number": "26",
        "name": "D1",
        "type": "bidirectional",
        "description": "Digital I/O 1; configurable as input or output through IO register."
      },
      {
        "number": "27",
        "name": "D2",
        "type": "bidirectional",
        "description": "Digital I/O 2; configurable as input or output through IO register."
      },
      {
        "number": "28",
        "name": "D3",
        "type": "bidirectional",
        "description": "Digital I/O 3; configurable as input or output through IO register."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 49,
        "cost_usd": 0.856,
        "at": "2026-09-26T17:16:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads1256",
        "pages": 49,
        "sha256": "9da3323db162b593",
        "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": [
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        "role": "plain",
        "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,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1256idbt-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,
        "footprint_binding": "identity",
        "sha256": "6ea8500da3086e07191a60a2dac9c0364dc43c49b500f0cd78ea6bdc285622cf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}