component
ADS1298IPAG
Public Made by Adomby adom
Texas Instruments Analog Front End (AFE), TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ads1298ipag",
"title": "ADS1298IPAG",
"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",
"ads1298ipag",
"factory-2.0.0",
"extractor-text"
],
"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",
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"lbr": "ads1298ipag.lbr"
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"distributor_links": {
"lcsc": 1520667,
"digikey": "296-27734-ND",
"mouser": "595-ADS1298IPAG"
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"status": "found"
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},
"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
}
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "TQFP-64(10x10)",
"Category": "Data Acquisition",
"Pins": "64"
}
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"author": {
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"email": "[email protected]"
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