ADS131E08SPAG

{
  "schema_version": 1,
  "type": "component",
  "slug": "ads131e08spag",
  "title": "ADS131E08SPAG",
  "brief": "Texas Instruments Analog To Digital Converters (ADCs), TQFP-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",
    "adc-dac-data conversion",
    "ads131e08spag",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADS131E08SPAG",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads131e08spag.pdf",
    "parts": {
      "symbol": "ads131e08spag.kicad_sym",
      "footprint": "ads131e08spag.kicad_mod",
      "model_3d": "ads131e08spag-hero.glb",
      "model_3d_plain": "ads131e08spag-etched.glb",
      "model_3d_step": "ads131e08spag-etched.step",
      "model_3d_step_plain": "ads131e08spag.step",
      "lbr": "ads131e08spag.lbr"
    },
    "distributor_links": {
      "lcsc": "C1520670",
      "digikey": "296-ADS131E08SPAG-ND",
      "mouser": "595-ADS131E08SPAG"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T21:53:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ADS131E08SPAG-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS131E08SPAG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN8N",
        "type": "input",
        "description": "Negative analog input 8; connect to AVDD if unused or powered down."
      },
      {
        "number": "2",
        "name": "IN8P",
        "type": "input",
        "description": "Positive analog input 8; connect to AVDD if unused or powered down."
      },
      {
        "number": "3",
        "name": "IN7N",
        "type": "input",
        "description": "Negative analog input 7; connect to AVDD if unused or powered down."
      },
      {
        "number": "4",
        "name": "IN7P",
        "type": "input",
        "description": "Positive analog input 7; connect to AVDD if unused or powered down."
      },
      {
        "number": "5",
        "name": "IN6N",
        "type": "input",
        "description": "Negative analog input 6; connect to AVDD if unused or powered down."
      },
      {
        "number": "6",
        "name": "IN6P",
        "type": "input",
        "description": "Positive analog input 6; connect to AVDD if unused or powered down."
      },
      {
        "number": "7",
        "name": "IN5N",
        "type": "input",
        "description": "Negative analog input 5; connect to AVDD if unused or powered down."
      },
      {
        "number": "8",
        "name": "IN5P",
        "type": "input",
        "description": "Positive analog input 5; connect to AVDD if unused or powered down."
      },
      {
        "number": "9",
        "name": "IN4N",
        "type": "input",
        "description": "Negative analog input 4; connect to AVDD if unused or powered down."
      },
      {
        "number": "10",
        "name": "IN4P",
        "type": "input",
        "description": "Positive analog input 4; connect to AVDD if unused or powered down."
      },
      {
        "number": "11",
        "name": "IN3N",
        "type": "input",
        "description": "Negative analog input 3; connect to AVDD if unused or powered down."
      },
      {
        "number": "12",
        "name": "IN3P",
        "type": "input",
        "description": "Positive analog input 3; connect to AVDD if unused or powered down."
      },
      {
        "number": "13",
        "name": "IN2N",
        "type": "input",
        "description": "Negative analog input 2; connect to AVDD if unused or powered down."
      },
      {
        "number": "14",
        "name": "IN2P",
        "type": "input",
        "description": "Positive analog input 2; connect to AVDD if unused or powered down."
      },
      {
        "number": "15",
        "name": "IN1N",
        "type": "input",
        "description": "Negative analog input 1; connect to AVDD if unused or powered down."
      },
      {
        "number": "16",
        "name": "IN1P",
        "type": "input",
        "description": "Positive analog input 1; connect to AVDD if unused or powered down."
      },
      {
        "number": "17",
        "name": "TESTP",
        "type": "bidirectional",
        "description": "Test signal, positive pin; connect to DGND with a 10-kΩ resistor if unused."
      },
      {
        "number": "18",
        "name": "TESTN",
        "type": "bidirectional",
        "description": "Test signal, negative pin; connect to DGND with a 10-kΩ resistor if unused."
      },
      {
        "number": "19",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; decouple each AVDD pin to AVSS with a 1-µF capacitor."
      },
      {
        "number": "20",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "21",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; decouple each AVDD pin to AVSS with a 1-µF capacitor."
      },
      {
        "number": "22",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; decouple each AVDD pin to AVSS with a 1-µF capacitor."
      },
      {
        "number": "23",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "24",
        "name": "VREFP",
        "type": "output",
        "description": "Positive reference voltage output; connect a 330-nF capacitor to VREFN."
      },
      {
        "number": "25",
        "name": "VREFN",
        "type": "input",
        "description": "Negative reference voltage; connect to AVSS."
      },
      {
        "number": "26",
        "name": "VCAP4",
        "type": "output",
        "description": "Analog bypass capacitor; connect a 270-nF capacitor to AVSS."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection, leave floating; can be connected to AVDD or AVSS with a 10-kΩ or higher resistor."
      },
      {
        "number": "28",
        "name": "VCAP1",
        "type": "output",
        "description": "Analog bypass capacitor; connect a 470-pF capacitor to AVSS."
      },
      {
        "number": "29",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection, leave floating; can be connected to AVDD or AVSS with a 10-kΩ or higher resistor."
      },
      {
        "number": "30",
        "name": "VCAP2",
        "type": "output",
        "description": "Analog bypass capacitor; connect a 270-nF capacitor to AVSS."
      },
      {
        "number": "31",
        "name": "RESV1",
        "type": "input",
        "description": "Reserved for future use; must tie to logic low; connect to DGND."
      },
      {
        "number": "32",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "33",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "34",
        "name": "DIN",
        "type": "input",
        "description": "SPI data input."
      },
      {
        "number": "35",
        "name": "PWDN",
        "type": "input",
        "description": "Power-down; active low."
      },
      {
        "number": "36",
        "name": "RESET",
        "type": "input",
        "description": "System reset; active low."
      },
      {
        "number": "37",
        "name": "CLK",
        "type": "input",
        "description": "Master clock input; connect to DGND if unused."
      },
      {
        "number": "38",
        "name": "START",
        "type": "input",
        "description": "Start conversion."
      },
      {
        "number": "39",
        "name": "CS",
        "type": "input",
        "description": "Serial peripheral interface (SPI) chip select; active low."
      },
      {
        "number": "40",
        "name": "SCLK",
        "type": "input",
        "description": "SPI clock."
      },
      {
        "number": "41",
        "name": "DAISY_IN",
        "type": "input",
        "description": "Daisy-chain input; connect to DGND if unused."
      },
      {
        "number": "42",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 1; connect to DGND with a 10-kΩ resistor if unused."
      },
      {
        "number": "43",
        "name": "DOUT",
        "type": "output",
        "description": "SPI data output."
      },
      {
        "number": "44",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 2; connect to DGND with a 10-kΩ resistor if unused."
      },
      {
        "number": "45",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 3; connect to DGND with a 10-kΩ resistor if unused."
      },
      {
        "number": "46",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 4; connect to DGND with a 10-kΩ resistor if unused."
      },
      {
        "number": "47",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready; active low; connect to DGND with a 10-kΩ resistor if unused."
      },
      {
        "number": "48",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply; decouple each DVDD pin to DGND with a 1-µF capacitor."
      },
      {
        "number": "49",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "50",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply; decouple each DVDD pin to DGND with a 1-µF capacitor."
      },
      {
        "number": "51",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "52",
        "name": "CLKSEL",
        "type": "input",
        "description": "Master clock select."
      },
      {
        "number": "53",
        "name": "AVSS1",
        "type": "power_in",
        "description": "Charge pump analog ground; decouple AVDD1 to AVSS1 with a 1-µF capacitor."
      },
      {
        "number": "54",
        "name": "AVDD1",
        "type": "power_in",
        "description": "Charge pump analog supply; decouple AVDD1 to AVSS1 with a 1-µF capacitor."
      },
      {
        "number": "55",
        "name": "VCAP3",
        "type": "output",
        "description": "Analog bypass capacitor; connect a 270-nF capacitor to AVSS."
      },
      {
        "number": "56",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; decouple each AVDD pin to AVSS with a 1-µF capacitor."
      },
      {
        "number": "57",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "58",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "59",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; decouple each AVDD pin to AVSS with a 1-µF capacitor."
      },
      {
        "number": "60",
        "name": "OPAMPP",
        "type": "input",
        "description": "Op amp noninverting input; leave floating if unused and power-down the op amp."
      },
      {
        "number": "61",
        "name": "OPAMPN",
        "type": "input",
        "description": "Op amp inverting input; leave floating if unused and power-down the op amp."
      },
      {
        "number": "62",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection, leave floating; can be connected to AVDD or AVSS with a 10-kΩ or higher resistor."
      },
      {
        "number": "63",
        "name": "OPAMPOUT",
        "type": "output",
        "description": "Op amp output; leave floating if unused and power-down the op amp."
      },
      {
        "number": "64",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection, leave floating; can be connected to AVDD or AVSS with a 10-kΩ or higher resistor."
      }
    ],
    "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 pin diagram on page 4 is garbled in the text extraction, so the pin-to-number map was built from; Package confirmed: the ordering addendum (page 65) lists ADS131E08SPAG as PAG, 64-pin TQFP, so the 6; KiCad has no analog ERC class, so these type mappings are judgment calls: analog inputs mapped to in"
        ],
        "pages_sent": 13,
        "cost_usd": 0.1039,
        "at": "2026-10-28T21:53:17"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads131e08spag.pdf",
        "pages": 70,
        "sha256": "78a151355bcb8ddb",
        "source_tier": "mfr"
      },
      "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": "ads131e08spag.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads131e08spag-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "731131d80d197e786d724ea9efce538f8cbfeb7022610d0738a445a53f1e30be",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TQFP-64(10x10)",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "78a151355bcb8ddb53112e030f9befa99e0b806aa7c18c855120fdf0186e0c8e",
      "rows": [
        {
          "name": "AVDD to AVSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DVDD to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.9,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "AVSS to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Continuous input current to any pin except supply pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Analog power supply, AVDD to AVSS",
          "symbol": "AVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": 5,
          "max": 5.25,
          "conditions": "AVDD to AVSS",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Digital power supply, DVDD to DGND",
          "symbol": "DVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.7,
          "typ": 1.8,
          "max": 3.6,
          "conditions": "DVDD to DGND",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Analog to digital supply, AVDD to DVDD",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -2.1,
          "typ": null,
          "max": 3.6,
          "conditions": "AVDD to DVDD",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Master clock rate fCLK",
          "symbol": "fCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 1.7,
          "typ": 2.048,
          "max": 2.25,
          "conditions": "CLKSEL pin = 0, (AVDD – AVSS) = 3 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Master clock rate fCLK",
          "symbol": "fCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 1,
          "typ": 2.048,
          "max": 2.25,
          "conditions": "CLKSEL pin = 0, (AVDD – AVSS) = 5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Data rate",
          "symbol": "DR",
          "kind": "electrical",
          "unit": "kSPS",
          "min": 1,
          "typ": 4,
          "max": 64,
          "conditions": "fCLK = 2.048 MHz",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Offset error",
          "symbol": "EO",
          "kind": "electrical",
          "unit": "µV",
          "min": -100,
          "typ": -450,
          "max": -800,
          "conditions": "Gain = 1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Offset error drift",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "µV/°C",
          "min": null,
          "typ": 0.2,
          "max": 2.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Common-mode rejection ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": -110,
          "typ": null,
          "max": null,
          "conditions": "fCM = 50 Hz or 60 Hz",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Crosstalk",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -125,
          "max": -113,
          "conditions": "fIN = 50 Hz or 60 Hz",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Internal VREF output voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 3.88,
          "typ": 4,
          "max": 4.12,
          "conditions": "TA = 25°C, VREF = 4 V, VREF_4V = 1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Internal VREF accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "TA = 25°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Internal oscillator accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "TA = 25°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Internal oscillator accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "–40°C ≤ TA ≤ +105°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "0 V < VDigital_Input < DVDD",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation, normal mode",
          "symbol": "",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": 29.7,
          "max": 32.9,
          "conditions": "Normal mode, AVDD – AVSS = 5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Comparator threshold accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "mV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Self-test signal accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 46.2,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5.8,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 19.6,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 19.2,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ads131e08spag"
  ],
  "discovery_pitch": "ADS131E08SPAG (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads131e08spag.kicad_sym",
    "ads131e08spag.kicad_mod",
    "ads131e08spag.glb",
    "ads131e08spag.step",
    "ads131e08spag.lbr",
    "docs/hero.png",
    "docs/ads131e08spag-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads131e08spag-hero.glb",
    "ads131e08spag-hero.overlay.json",
    "ads131e08spag-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}