component
ADS1299-4PAG
Public Made by Adomby adom
Texas Instruments Analog Front End (AFEs), 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": "ads1299-4pag",
"title": "ADS1299-4PAG",
"brief": "Texas Instruments Analog Front End (AFEs), 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": [
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"adc-dac-data conversion",
"ads1299-4pag",
"factory-2.0.0",
"extractor-text"
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"component": {
"mpn": "ADS1299-4PAG",
"manufacturer": "Texas Instruments",
"package": "TQFP-64(10x10)",
"pin_count": 64,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Analog Front End (AFEs)",
"datasheet": "https://www.ti.com/lit/ds/symlink/ads1299-4.pdf",
"parts": {
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"distributor_links": {
"lcsc": "C2877187",
"digikey": "296-45149-ND",
"mouser": "595-ADS1299-4PAG"
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"distributor_check": {
"checked_at": "2026-11-05T22:10:48Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-45149-ND",
"status": "found"
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"pn": "595-ADS1299-4PAG",
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},
"pins": [
{
"number": "1",
"name": "IN8N",
"type": "input",
"description": "Differential analog negative input 8 (ADS1299 only); connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "2",
"name": "IN8P",
"type": "input",
"description": "Differential analog positive input 8 (ADS1299 only); connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "3",
"name": "IN7N",
"type": "input",
"description": "Differential analog negative input 7 (ADS1299 only); connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "4",
"name": "IN7P",
"type": "input",
"description": "Differential analog positive input 7 (ADS1299 only); connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "5",
"name": "IN6N",
"type": "input",
"description": "Differential analog negative input 6 (ADS1299-6 and ADS1299 only); connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "6",
"name": "IN6P",
"type": "input",
"description": "Differential analog positive input 6 (ADS1299-6 and ADS1299 only); connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "7",
"name": "IN5N",
"type": "input",
"description": "Differential analog negative input 5 (ADS1299-6 and ADS1299 only); connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "8",
"name": "IN5P",
"type": "input",
"description": "Differential analog positive input 5 (ADS1299-6 and ADS1299 only); connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "9",
"name": "IN4N",
"type": "input",
"description": "Differential analog negative input 4; connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "10",
"name": "IN4P",
"type": "input",
"description": "Differential analog positive input 4; connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "11",
"name": "IN3N",
"type": "input",
"description": "Differential analog negative input 3; connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "12",
"name": "IN3P",
"type": "input",
"description": "Differential analog positive input 3; connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "13",
"name": "IN2N",
"type": "input",
"description": "Differential analog negative input 2; connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "14",
"name": "IN2P",
"type": "input",
"description": "Differential analog positive input 2; connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "15",
"name": "IN1N",
"type": "input",
"description": "Differential analog negative input 1; connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "16",
"name": "IN1P",
"type": "input",
"description": "Differential analog positive input 1; connect unused analog inputs directly to AVDD and limit input current to 10 mA if the input exceeds the supply rails."
},
{
"number": "17",
"name": "SRB1",
"type": "bidirectional",
"description": "Patient stimulus, reference, and bias signal 1, used to route a common signal to multiple inputs in referential montages."
},
{
"number": "18",
"name": "SRB2",
"type": "bidirectional",
"description": "Patient stimulus, reference, and bias signal 2, used to route a common signal to multiple inputs in referential montages."
},
{
"number": "19",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply, connect a 1-μF capacitor to AVSS; analog supply range is 4.75 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, connect a 1-μF capacitor to AVSS; analog supply range is 4.75 V to 5.25 V."
},
{
"number": "22",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply, connect a 1-μF capacitor to AVSS; analog supply range is 4.75 V to 5.25 V."
},
{
"number": "23",
"name": "AVSS",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "24",
"name": "VREFP",
"type": "bidirectional",
"description": "Positive analog reference voltage; connect a minimum 10-μF capacitor to VREFN."
},
{
"number": "25",
"name": "VREFN",
"type": "input",
"description": "Negative analog reference voltage."
},
{
"number": "26",
"name": "VCAP4",
"type": "output",
"description": "Analog bypass capacitor pin; connect a 1-μF capacitor to AVSS."
},
{
"number": "27",
"name": "NC",
"type": "unconnected",
"description": "No connection; leave as open circuit."
},
{
"number": "28",
"name": "VCAP1",
"type": "output",
"description": "Analog bypass capacitor pin; connect a 100-μF capacitor to AVSS."
},
{
"number": "29",
"name": "NC",
"type": "unconnected",
"description": "No connection; leave as open circuit."
},
{
"number": "30",
"name": "VCAP2",
"type": "output",
"description": "Analog bypass capacitor pin; connect a 1-μF capacitor to AVSS."
},
{
"number": "31",
"name": "RESV1",
"type": "input",
"description": "Reserved for future use; connect directly 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": "Serial data input."
},
{
"number": "35",
"name": "PWDN",
"type": "input",
"description": "Power-down, active low; pulling low powers down all on-chip circuitry."
},
{
"number": "36",
"name": "RESET",
"type": "input",
"description": "System reset, active low."
},
{
"number": "37",
"name": "CLK",
"type": "input",
"description": "Master clock input."
},
{
"number": "38",
"name": "START",
"type": "input",
"description": "Synchronization signal to start or restart a conversion."
},
{
"number": "39",
"name": "CS",
"type": "input",
"description": "Chip select, active low."
},
{
"number": "40",
"name": "SCLK",
"type": "input",
"description": "Serial clock input."
},
{
"number": "41",
"name": "DAISY_IN",
"type": "input",
"description": "Daisy-chain input."
},
{
"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": "Serial 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."
},
{
"number": "48",
"name": "DVDD",
"type": "power_in",
"description": "Digital power supply, connect a 1-μF capacitor to DGND; digital supply range is 1.8 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, connect a 1-μF capacitor to DGND; digital supply range is 1.8 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; set high to DVDD or low to DGND through a ≥10-kΩ resistor."
},
{
"number": "53",
"name": "AVSS1",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "54",
"name": "AVDD1",
"type": "power_in",
"description": "Analog supply, connect a 1-μF capacitor to AVSS1."
},
{
"number": "55",
"name": "VCAP3",
"type": "output",
"description": "Analog bypass capacitor pin; connect a parallel combination of 1-μF and 0.1-μF capacitors to AVSS."
},
{
"number": "56",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply, connect a 1-μF capacitor to AVSS; analog supply range is 4.75 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 for the charge pump."
},
{
"number": "59",
"name": "AVDD",
"type": "power_in",
"description": "Charge pump analog supply, connect a 1-μF capacitor to AVSS (pin 58)."
},
{
"number": "60",
"name": "BIASREF",
"type": "input",
"description": "Bias drive noninverting input."
},
{
"number": "61",
"name": "BIASINV",
"type": "bidirectional",
"description": "Bias drive inverting input."
},
{
"number": "62",
"name": "BIASIN",
"type": "input",
"description": "Bias drive input to the input MUX."
},
{
"number": "63",
"name": "BIASOUT",
"type": "output",
"description": "Bias drive output."
},
{
"number": "64",
"name": "RESERVED",
"type": "output",
"description": "Reserved for future use; leave as open circuit."
}
],
"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: Pin table lists IN5-IN8 as used only on ADS1299-6 and ADS1299. The datasheet does not state how thes; The Pin Functions table lists pin 59 under both AVDD and a charge pump supply entry. Pin 59 is treat; Pins 27 and 29 are printed as NC (no connection) and are listed as unconnected."
],
"pages_sent": 15,
"cost_usd": 0.0532,
"at": "2026-11-05T22:10:34"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/ads1299-4.pdf",
"pages": 84,
"sha256": "9ef667389897f02d",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"zmin_mm": 0,
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"footprint_binding": "identity",
"sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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{
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "TQFP-64(10x10)",
"Category": "ADC/DAC/Data Conversion",
"Pins": "64"
}
},
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"discovery_pitch": "ADS1299-4PAG (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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