ADS1298IPAG

{
  "slug": "ads1298ipag",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog Front End (AFE), TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads1298ipag",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1298ipag.kicad_sym",
    "ads1298ipag.kicad_mod",
    "ads1298ipag.glb",
    "ads1298ipag.step",
    "ads1298ipag.lbr",
    "docs/hero.png",
    "docs/ads1298ipag-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads1298ipag-hero.glb",
    "ads1298ipag-hero.overlay.json"
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  "component": {
    "mpn": "ADS1298IPAG",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Data Acquisition",
    "subcategory": "Analog Front End (AFE)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads1294",
    "parts": {
      "symbol": "ads1298ipag.kicad_sym",
      "footprint": "ads1298ipag.kicad_mod",
      "model_3d": "ads1298ipag-hero.glb",
      "model_3d_plain": "ads1298ipag.glb",
      "model_3d_step": "ads1298ipag-etched.step",
      "model_3d_step_plain": "ads1298ipag.step",
      "lbr": "ads1298ipag.lbr"
    },
    "distributor_links": {
      "lcsc": 1520667,
      "digikey": "296-27734-ND",
      "mouser": "595-ADS1298IPAG"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T07:09:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-27734-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-ADS1298IPAG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN8N",
        "type": "input",
        "description": "Differential analog negative input 8 for ADS1298 channels, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "2",
        "name": "IN8P",
        "type": "input",
        "description": "Differential analog positive input 8 for ADS1298 channels, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "3",
        "name": "IN7N",
        "type": "input",
        "description": "Differential analog negative input 7 for ADS1298 channels, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "4",
        "name": "IN7P",
        "type": "input",
        "description": "Differential analog positive input 7 for ADS1298 channels, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "5",
        "name": "IN6N",
        "type": "input",
        "description": "Differential analog negative input 6 for ADS1296/ADS1298 channels, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "6",
        "name": "IN6P",
        "type": "input",
        "description": "Differential analog positive input 6 for ADS1296/ADS1298 channels, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "7",
        "name": "IN5N",
        "type": "input",
        "description": "Differential analog negative input 5 for ADS1296/ADS1298 channels, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "8",
        "name": "IN5P",
        "type": "input",
        "description": "Differential analog positive input 5 for ADS1296/ADS1298 channels, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "9",
        "name": "IN4N",
        "type": "input",
        "description": "Differential analog negative input 4 for all channel configurations, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "10",
        "name": "IN4P",
        "type": "input",
        "description": "Differential analog positive input 4 for all channel configurations, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "11",
        "name": "IN3N",
        "type": "input",
        "description": "Differential analog negative input 3 for all channel configurations, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "12",
        "name": "IN3P",
        "type": "input",
        "description": "Differential analog positive input 3 for all channel configurations, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "13",
        "name": "IN2N",
        "type": "input",
        "description": "Differential analog negative input 2 for all channel configurations, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "14",
        "name": "IN2P",
        "type": "input",
        "description": "Differential analog positive input 2 for all channel configurations, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "15",
        "name": "IN1N",
        "type": "input",
        "description": "Differential analog negative input 1 for all channel configurations, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "16",
        "name": "IN1P",
        "type": "input",
        "description": "Differential analog positive input 1 for all channel configurations, 10 MΩ input impedance in normal mode."
      },
      {
        "number": "17",
        "name": "TESTP_PACE_OUT1",
        "type": "bidirectional",
        "description": "Internal test signal input or single-ended buffered output for PGA1/3/5/7 based on register configuration."
      },
      {
        "number": "18",
        "name": "TESTN_PACE_OUT2",
        "type": "bidirectional",
        "description": "Internal test signal input or single-ended buffered output for PGA2/4/6/8 based on register configuration."
      },
      {
        "number": "19",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V relative to AVSS."
      },
      {
        "number": "20",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "21",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V relative to AVSS."
      },
      {
        "number": "22",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V relative to AVSS."
      },
      {
        "number": "23",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "24",
        "name": "VREFP",
        "type": "bidirectional",
        "description": "Positive reference input/output voltage; connect to VREFP pin if using external reference or internal bandgap output."
      },
      {
        "number": "25",
        "name": "VREFN",
        "type": "input",
        "description": "Negative reference voltage input; typically connected to AVSS for internal reference mode."
      },
      {
        "number": "26",
        "name": "VCAP4",
        "type": "passive",
        "description": "Analog bypass capacitor node; connect 1 μF capacitor to AVSS."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin; may be connected to AVDD or AVSS through 10 kΩ resistor."
      },
      {
        "number": "28",
        "name": "VCAP1",
        "type": "passive",
        "description": "Analog bypass capacitor node; connect 22 μF capacitor to AVSS."
      },
      {
        "number": "29",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin; may be connected to AVDD or AVSS through 10 kΩ resistor."
      },
      {
        "number": "30",
        "name": "VCAP2",
        "type": "passive",
        "description": "Analog bypass capacitor node; connect 1 μF capacitor to AVSS."
      },
      {
        "number": "31",
        "name": "RESV1",
        "type": "input",
        "description": "Reserved for future use; must be connected to logic low (DGND)."
      },
      {
        "number": "32",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "33",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for the device."
      },
      {
        "number": "34",
        "name": "DIN",
        "type": "input",
        "description": "SPI serial data input; data is latched on falling edge of SCLK."
      },
      {
        "number": "35",
        "name": "PWDN",
        "type": "input",
        "description": "Power down pin active low; all on-chip circuits power down when pulled low except reference."
      },
      {
        "number": "36",
        "name": "RESET",
        "type": "input",
        "description": "System reset pin active low; resets registers to default values, requires 2 tCLK minimum pulse width."
      },
      {
        "number": "37",
        "name": "CLK",
        "type": "tri_state",
        "description": "External master clock input when CLKSEL=0 or internal clock output when CLKSEL=1 and CLK_EN=1; typical 2.048 MHz."
      },
      {
        "number": "38",
        "name": "START",
        "type": "input",
        "description": "Start conversion signal; pulling high for minimum 2 tCLK enables continuous or single-shot conversion."
      },
      {
        "number": "39",
        "name": "CS",
        "type": "input",
        "description": "SPI chip select active low; selects device for serial communication when low."
      },
      {
        "number": "40",
        "name": "SCLK",
        "type": "input",
        "description": "SPI serial clock; data is shifted on rising edge for output and latched on falling edge for input."
      },
      {
        "number": "41",
        "name": "DAISY_IN",
        "type": "input",
        "description": "Daisy chain input for cascading multiple devices; must be connected to DGND if not used."
      },
      {
        "number": "42",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 1; configurable as input or output via GPIO control register."
      },
      {
        "number": "43",
        "name": "DOUT",
        "type": "output",
        "description": "SPI serial data output; data is shifted out on rising edge of SCLK and enters high-Z when CS is high."
      },
      {
        "number": "44",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 2; configurable as input or output via GPIO control register."
      },
      {
        "number": "45",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 3; configurable as input or output via GPIO control register."
      },
      {
        "number": "46",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose input/output pin 4; configurable as input or output via GPIO control register."
      },
      {
        "number": "47",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready output active low; indicates when new conversion data is ready for reading."
      },
      {
        "number": "48",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply, 1.65 V to 3.6 V relative to DGND."
      },
      {
        "number": "49",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for the device."
      },
      {
        "number": "50",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply, 1.65 V to 3.6 V relative to DGND."
      },
      {
        "number": "51",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for the device."
      },
      {
        "number": "52",
        "name": "CLKSEL",
        "type": "input",
        "description": "Master clock selection; logic low selects external clock on CLK pin, logic high selects internal oscillator."
      },
      {
        "number": "53",
        "name": "AVSS1",
        "type": "power_in",
        "description": "Charge pump analog ground; must be connected to AVSS."
      },
      {
        "number": "54",
        "name": "AVDD1",
        "type": "power_in",
        "description": "Charge pump analog power supply; powers internal charge pump circuit."
      },
      {
        "number": "55",
        "name": "VCAP3",
        "type": "passive",
        "description": "Analog bypass capacitor for internally generated AVDD + 1.9 V; connect 1 μF capacitor to AVSS."
      },
      {
        "number": "56",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V relative to AVSS."
      },
      {
        "number": "57",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "58",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground reference for the device."
      },
      {
        "number": "59",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V relative to AVSS."
      },
      {
        "number": "60",
        "name": "RLDREF",
        "type": "input",
        "description": "Right leg drive amplifier non-inverting input; typically connected to (AVDD + AVSS)/2 or external reference."
      },
      {
        "number": "61",
        "name": "RLDINV",
        "type": "bidirectional",
        "description": "Right leg drive amplifier inverting input; used for RLD feedback loop implementation."
      },
      {
        "number": "62",
        "name": "RLDIN",
        "type": "input",
        "description": "Right leg drive input from multiplexer; can be routed to any electrode or used for RLD measurement."
      },
      {
        "number": "63",
        "name": "RLDOUT",
        "type": "output",
        "description": "Right leg drive amplifier output; drives patient reference signal with typical ±0.25 mA short circuit current."
      },
      {
        "number": "64",
        "name": "WCT",
        "type": "output",
        "description": "Wilson center terminal output; buffered average of selected electrodes (IN1-IN4) for 12-lead ECG reference."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: NC pins 27 and 29 marked as 'unconnected' type but datasheet states they can be optionally connected; VREFP pin classified as bidirectional because it functions as both input (external reference mode) a; CLK pin classified as tri_state output because it is an open-drain/tri-state output when configured "
        ],
        "pages_sent": 80,
        "cost_usd": 0.5599,
        "at": "2026-10-03T07:08:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads1294",
        "pages": 113,
        "sha256": "a8830f56bfd11d1b",
        "source_tier": "lcsc"
      },
      "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"
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}