component
ADS122U04IRTER
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"ads122u04irter-hero.overlay.json",
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"component": {
"mpn": "ADS122U04IRTER",
"manufacturer": "Texas Instruments",
"package": "WQFN-16-EP(3x3)",
"pin_count": 17,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/lit/ds/symlink/ads122u04.pdf",
"parts": {
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"footprint": "ads122u04irter.kicad_mod",
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"model_3d_step": "ads122u04irter-etched.step",
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"lbr": "ads122u04irter.lbr"
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"distributor_links": {
"lcsc": "C2863244",
"digikey": "296-50887-2-ND",
"mouser": "595-ADS122U04IRTER"
},
"distributor_check": {
"checked_at": "2026-11-05T21:15:19Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-50887-2-ND",
"status": "found"
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"pins": [
{
"number": "1",
"name": "RESET",
"type": "input",
"description": "Reset input, active low, referenced to DGND with a digital input range of DGND to DVDD."
},
{
"number": "2",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "3",
"name": "AVSS",
"type": "power_in",
"description": "Negative analog power supply; unipolar operation requires AVSS to DGND between -0.1 V and 0.1 V."
},
{
"number": "4",
"name": "AIN3",
"type": "input",
"description": "Analog input 3; absolute maximum voltage is AVSS - 0.3 V to AVDD + 0.3 V."
},
{
"number": "5",
"name": "AIN2",
"type": "input",
"description": "Analog input 2; absolute maximum voltage is AVSS - 0.3 V to AVDD + 0.3 V."
},
{
"number": "6",
"name": "REFN",
"type": "input",
"description": "Negative reference input; absolute maximum voltage is AVSS - 0.3 V to AVDD + 0.3 V."
},
{
"number": "7",
"name": "REFP",
"type": "input",
"description": "Positive reference input; absolute maximum voltage is AVSS - 0.3 V to AVDD + 0.3 V."
},
{
"number": "8",
"name": "AIN1",
"type": "input",
"description": "Analog input 1; absolute maximum voltage is AVSS - 0.3 V to AVDD + 0.3 V."
},
{
"number": "9",
"name": "AIN0",
"type": "input",
"description": "Analog input 0; absolute maximum voltage is AVSS - 0.3 V to AVDD + 0.3 V."
},
{
"number": "10",
"name": "AVDD",
"type": "power_in",
"description": "Positive analog power supply, 2.3 V to 5.5 V relative to AVSS; connect a 100-nF (or larger) capacitor to AVSS."
},
{
"number": "11",
"name": "DVDD",
"type": "power_in",
"description": "Positive digital power supply, 2.3 V to 5.5 V relative to DGND; connect a 100-nF (or larger) capacitor to DGND."
},
{
"number": "12",
"name": "GPIO2/DRDY",
"type": "bidirectional",
"description": "General-purpose input/output 2 or data ready output, active low; digital range DGND to DVDD."
},
{
"number": "13",
"name": "TX",
"type": "output",
"description": "UART serial data output; digital output referenced to DGND and DVDD."
},
{
"number": "14",
"name": "RX",
"type": "input",
"description": "UART serial data input; digital input range DGND to DVDD."
},
{
"number": "15",
"name": "GPIO1",
"type": "bidirectional",
"description": "General-purpose input/output 1; digital input range DGND to DVDD."
},
{
"number": "16",
"name": "GPIO0",
"type": "bidirectional",
"description": "General-purpose input/output 0; digital input range DGND to DVDD."
},
{
"number": "17",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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 exposed thermal pad (RTE package, connect to AVSS) has no numbered pin in the pin table and is o"
],
"pages_sent": 10,
"cost_usd": 0.0219,
"at": "2026-11-05T21:15:05"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/ads122u04.pdf",
"pages": 77,
"sha256": "a6d94b931374425c",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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