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Ray Set visibility: public 0781c06 5d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ads1294ipagr",
  "title": "ADS1294IPAGR",
  "brief": "Texas Instruments Analog Front End (AFE), 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",
    "data acquisition",
    "ads1294ipagr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADS1294IPAGR",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Data Acquisition",
    "subcategory": "Analog Front End (AFE)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads1294.pdf",
    "parts": {
      "symbol": "ads1294ipagr.kicad_sym",
      "footprint": "ads1294ipagr.kicad_mod",
      "model_3d": "ads1294ipagr-hero.glb",
      "model_3d_plain": "ads1294ipagr-etched.glb",
      "model_3d_step": "ads1294ipagr-etched.step",
      "model_3d_step_plain": "ads1294ipagr.step",
      "lbr": "ads1294ipagr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2651610",
      "digikey": "296-ADS1294IPAGRTR-ND",
      "mouser": "595-ADS1294IPAGR"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T17:02:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ADS1294IPAGRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-ADS1294IPAGR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN8N",
        "type": "input",
        "description": "Differential analog negative input 8, used on ADS1298 only; connect unused pin to AVDD."
      },
      {
        "number": "2",
        "name": "IN8P",
        "type": "input",
        "description": "Differential analog positive input 8, used on ADS1298 only; connect unused pin to AVDD."
      },
      {
        "number": "3",
        "name": "IN7N",
        "type": "input",
        "description": "Differential analog negative input 7, used on ADS1298 only; connect unused pin to AVDD."
      },
      {
        "number": "4",
        "name": "IN7P",
        "type": "input",
        "description": "Differential analog positive input 7, used on ADS1298 only; connect unused pin to AVDD."
      },
      {
        "number": "5",
        "name": "IN6N",
        "type": "input",
        "description": "Differential analog negative input 6, used on ADS1296 and ADS1298; connect unused pin to AVDD."
      },
      {
        "number": "6",
        "name": "IN6P",
        "type": "input",
        "description": "Differential analog positive input 6, used on ADS1296 and ADS1298; connect unused pin to AVDD."
      },
      {
        "number": "7",
        "name": "IN5N",
        "type": "input",
        "description": "Differential analog negative input 5, used on ADS1296 and ADS1298; connect unused pin to AVDD."
      },
      {
        "number": "8",
        "name": "IN5P",
        "type": "input",
        "description": "Differential analog positive input 5, used on ADS1296 and ADS1298; connect unused pin to AVDD."
      },
      {
        "number": "9",
        "name": "IN4N",
        "type": "input",
        "description": "Differential analog negative input 4."
      },
      {
        "number": "10",
        "name": "IN4P",
        "type": "input",
        "description": "Differential analog positive input 4."
      },
      {
        "number": "11",
        "name": "IN3N",
        "type": "input",
        "description": "Differential analog negative input 3."
      },
      {
        "number": "12",
        "name": "IN3P",
        "type": "input",
        "description": "Differential analog positive input 3."
      },
      {
        "number": "13",
        "name": "IN2N",
        "type": "input",
        "description": "Differential analog negative input 2."
      },
      {
        "number": "14",
        "name": "IN2P",
        "type": "input",
        "description": "Differential analog positive input 2."
      },
      {
        "number": "15",
        "name": "IN1N",
        "type": "input",
        "description": "Differential analog negative input 1."
      },
      {
        "number": "16",
        "name": "IN1P",
        "type": "input",
        "description": "Differential analog positive input 1."
      },
      {
        "number": "17",
        "name": "TESTP_PACE_OUT1",
        "type": "bidirectional",
        "description": "Internal test signal or single-ended buffer output based on register settings; connect unused pin to AVDD."
      },
      {
        "number": "18",
        "name": "TESTN_PACE_OUT2",
        "type": "bidirectional",
        "description": "Internal test signal or single-ended buffer output based on register settings; connect unused pin to AVDD."
      },
      {
        "number": "19",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; AVDD minus AVSS is 2.7 V to 5.25 V."
      },
      {
        "number": "20",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "21",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; AVDD minus AVSS is 2.7 V to 5.25 V."
      },
      {
        "number": "22",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; AVDD minus AVSS is 2.7 V to 5.25 V."
      },
      {
        "number": "23",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "24",
        "name": "VREFP",
        "type": "bidirectional",
        "description": "Positive reference input/output voltage; VREFP minus VREFN is 2.5 V (3-V supply) or 4 V (5-V supply)."
      },
      {
        "number": "25",
        "name": "VREFN",
        "type": "input",
        "description": "Negative reference voltage input, referenced to AVSS."
      },
      {
        "number": "26",
        "name": "VCAP4",
        "type": "passive",
        "description": "Analog bypass capacitor; connect 1-μF capacitor to AVSS."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; can be connected to AVDD or AVSS with a 10-kΩ resistor."
      },
      {
        "number": "28",
        "name": "VCAP1",
        "type": "passive",
        "description": "Analog bypass capacitor; connect 22-μF capacitor to AVSS."
      },
      {
        "number": "29",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; can be connected to AVDD or AVSS with a 10-kΩ resistor."
      },
      {
        "number": "30",
        "name": "VCAP2",
        "type": "passive",
        "description": "Analog bypass capacitor; connect 1-μF capacitor to AVSS."
      },
      {
        "number": "31",
        "name": "RESV1",
        "type": "input",
        "description": "Reserved for future use; must tie to logic low (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 pin; active low."
      },
      {
        "number": "36",
        "name": "RESET",
        "type": "input",
        "description": "System-reset pin; active low."
      },
      {
        "number": "37",
        "name": "CLK",
        "type": "bidirectional",
        "description": "External master clock input or internal clock output; external clock frequency is 1.94 to 2.25 MHz when CLKSEL = 0."
      },
      {
        "number": "38",
        "name": "START",
        "type": "input",
        "description": "Start conversion."
      },
      {
        "number": "39",
        "name": "CS",
        "type": "input",
        "description": "SPI chip select; active low."
      },
      {
        "number": "40",
        "name": "SCLK",
        "type": "input",
        "description": "SPI clock input."
      },
      {
        "number": "41",
        "name": "DAISY_IN",
        "type": "input",
        "description": "Daisy-chain input; when not used, tie to logic 0."
      },
      {
        "number": "42",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 1."
      },
      {
        "number": "43",
        "name": "DOUT",
        "type": "output",
        "description": "SPI data output."
      },
      {
        "number": "44",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 2."
      },
      {
        "number": "45",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 3."
      },
      {
        "number": "46",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 4."
      },
      {
        "number": "47",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready; active low."
      },
      {
        "number": "48",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply; 1.65 V to 3.6 V."
      },
      {
        "number": "49",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "50",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply; 1.65 V to 3.6 V."
      },
      {
        "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": "Analog ground for the charge pump."
      },
      {
        "number": "54",
        "name": "AVDD1",
        "type": "power_in",
        "description": "Analog supply for the charge pump."
      },
      {
        "number": "55",
        "name": "VCAP3",
        "type": "passive",
        "description": "Internally generated AVDD + 1.9 V bypass; connect 1-μF capacitor to AVSS."
      },
      {
        "number": "56",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply; AVDD minus AVSS is 2.7 V to 5.25 V."
      },
      {
        "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; AVDD minus AVSS is 2.7 V to 5.25 V."
      },
      {
        "number": "60",
        "name": "RLDREF",
        "type": "input",
        "description": "Right leg drive noninverting input."
      },
      {
        "number": "61",
        "name": "RLDINV",
        "type": "bidirectional",
        "description": "Right leg drive inverting input."
      },
      {
        "number": "62",
        "name": "RLDIN",
        "type": "input",
        "description": "Right leg drive input to mux; connect unused pin to AVDD."
      },
      {
        "number": "63",
        "name": "RLDOUT",
        "type": "output",
        "description": "Right leg drive output."
      },
      {
        "number": "64",
        "name": "WCT",
        "type": "output",
        "description": "Wilson Central Terminal output."
      }
    ],
    "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 TQFP pin table covers the whole ADS129x family. ADS1294 is the 4-channel variant, so pins labele"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0949,
        "at": "2026-10-29T17:02:11"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads1294.pdf",
        "pages": 113,
        "sha256": "412193168ffdaf64",
        "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": "ads1294ipagr.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": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1294ipagr-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": "d566271e75afe01f263706cbf1b066fcb2aecd1c7a57b016297a0ecbfffab021",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TQFP-64(10x10)",
      "Category": "Data Acquisition",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "412193168ffdaf6471513b422c6f8d6e732911e70d36381d0487e3bf796f2071",
      "rows": [
        {
          "name": "Analog power supply (AVDD - AVSS)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": 3,
          "max": 5.25,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Digital power supply",
          "symbol": "DVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": 1.8,
          "max": 3.6,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "AVDD - DVDD",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -2.1,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "External clock input frequency",
          "symbol": "fCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 1.94,
          "typ": 2.048,
          "max": 2.25,
          "conditions": "CLKSEL pin = 0",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (industrial grade)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Industrial grade",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "AVDD to AVSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "DVDD to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.9,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "AVSS to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input current (momentary)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input current (continuous)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input bias current",
          "symbol": "",
          "kind": "electrical",
          "unit": "pA",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "TA = 25°C, input = 1.5 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Input bias current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": -1.2,
          "typ": null,
          "max": 1.2,
          "conditions": "TA = -40°C to +85°C, input = 1.5 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Offset error",
          "symbol": "",
          "kind": "electrical",
          "unit": "µV",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Gain error",
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