component
ADC3421IRTQR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), QFN-56-EP(8x8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "adc3421irtqr",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Analog To Digital Converters (ADC), QFN-56-EP(8x8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"data acquisition",
"adc3421irtqr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"component": {
"mpn": "ADC3421IRTQR",
"manufacturer": "Texas Instruments",
"package": "QFN-56-EP(8x8)",
"pin_count": 57,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/adc3422",
"parts": {
"symbol": "adc3421irtqr.kicad_sym",
"footprint": "adc3421irtqr.kicad_mod",
"model_3d": "adc3421irtqr-hero.glb",
"model_3d_plain": "adc3421irtqr.glb",
"model_3d_step": "adc3421irtqr-etched.step",
"model_3d_step_plain": "adc3421irtqr.step",
"lbr": "adc3421irtqr.lbr"
},
"distributor_links": {
"lcsc": "C2670724",
"digikey": "ADC3421IRTQR-ND",
"mouser": "595-ADC3421IRTQR"
},
"distributor_check": {
"checked_at": "2026-10-12T04:38:38Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ADC3421IRTQR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-ADC3421IRTQR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "DA1P",
"type": "output",
"description": "Positive serial LVDS output for wire-1 of channel A."
},
{
"number": "2",
"name": "DA1M",
"type": "output",
"description": "Negative serial LVDS output for wire-1 of channel A."
},
{
"number": "3",
"name": "DA0P",
"type": "output",
"description": "Positive serial LVDS output for wire-0 of channel A."
},
{
"number": "4",
"name": "DA0M",
"type": "output",
"description": "Negative serial LVDS output for wire-0 of channel A."
},
{
"number": "5",
"name": "DVDD",
"type": "power_in",
"description": "Digital 1.8-V power supply."
},
{
"number": "6",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "7",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "8",
"name": "INAM",
"type": "input",
"description": "Negative differential analog input for channel A."
},
{
"number": "9",
"name": "INAP",
"type": "input",
"description": "Positive differential analog input for channel A."
},
{
"number": "10",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "11",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "12",
"name": "INBP",
"type": "input",
"description": "Positive differential analog input for channel B."
},
{
"number": "13",
"name": "INBM",
"type": "input",
"description": "Negative differential analog input for channel B."
},
{
"number": "14",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "15",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "16",
"name": "SCLK",
"type": "input",
"description": "Serial interface clock input; has an internal 150-kΩ pulldown resistor."
},
{
"number": "17",
"name": "SDATA",
"type": "input",
"description": "Serial interface data input; has an internal 150-kΩ pulldown resistor."
},
{
"number": "18",
"name": "SEN",
"type": "input",
"description": "Serial interface enable, active low; has an internal 150-kΩ pullup resistor to AVDD."
},
{
"number": "19",
"name": "SDOUT",
"type": "output",
"description": "Serial interface data output."
},
{
"number": "20",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "21",
"name": "CLKM",
"type": "input",
"description": "Negative differential clock input for the ADC."
},
{
"number": "22",
"name": "CLKP",
"type": "input",
"description": "Positive differential clock input for the ADC."
},
{
"number": "23",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "24",
"name": "RESET",
"type": "input",
"description": "Hardware reset, active high; has an internal 150-kΩ pulldown resistor."
},
{
"number": "25",
"name": "SYSREFP",
"type": "input",
"description": "Positive external SYSREF input."
},
{
"number": "26",
"name": "SYSREFM",
"type": "input",
"description": "Negative external SYSREF input."
},
{
"number": "27",
"name": "VCM",
"type": "output",
"description": "Common-mode voltage output for analog inputs."
},
{
"number": "28",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "29",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "30",
"name": "INCM",
"type": "input",
"description": "Negative differential analog input for channel C."
},
{
"number": "31",
"name": "INCP",
"type": "input",
"description": "Positive differential analog input for channel C."
},
{
"number": "32",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "33",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "34",
"name": "INDP",
"type": "input",
"description": "Positive differential analog input for channel D."
},
{
"number": "35",
"name": "INDM",
"type": "input",
"description": "Negative differential analog input for channel D."
},
{
"number": "36",
"name": "AVDD",
"type": "power_in",
"description": "Analog 1.8-V power supply."
},
{
"number": "37",
"name": "PDN",
"type": "input",
"description": "Power-down control, configurable via SPI; has an internal 150-kΩ pulldown resistor."
},
{
"number": "38",
"name": "DVDD",
"type": "power_in",
"description": "Digital 1.8-V power supply."
},
{
"number": "39",
"name": "DD1P",
"type": "output",
"description": "Positive serial LVDS output for wire-1 of channel D."
},
{
"number": "40",
"name": "DD1M",
"type": "output",
"description": "Negative serial LVDS output for wire-1 of channel D."
},
{
"number": "41",
"name": "DD0P",
"type": "output",
"description": "Positive serial LVDS output for wire-0 of channel D."
},
{
"number": "42",
"name": "DD0M",
"type": "output",
"description": "Negative serial LVDS output for wire-0 of channel D."
},
{
"number": "43",
"name": "DC1P",
"type": "output",
"description": "Positive serial LVDS output for wire-1 of channel C."
},
{
"number": "44",
"name": "DC1M",
"type": "output",
"description": "Negative serial LVDS output for wire-1 of channel C."
},
{
"number": "45",
"name": "DC0P",
"type": "output",
"description": "Positive serial LVDS output for wire-0 of channel C."
},
{
"number": "46",
"name": "DC0M",
"type": "output",
"description": "Negative serial LVDS output for wire-0 of channel C."
},
{
"number": "47",
"name": "DVDD",
"type": "power_in",
"description": "Digital 1.8-V power supply."
},
{
"number": "48",
"name": "FCLKP",
"type": "output",
"description": "Positive frame clock output."
},
{
"number": "49",
"name": "FCLKM",
"type": "output",
"description": "Negative frame clock output."
},
{
"number": "50",
"name": "DCLKP",
"type": "output",
"description": "Positive bit clock output."
},
{
"number": "51",
"name": "DCLKM",
"type": "output",
"description": "Negative bit clock output."
},
{
"number": "52",
"name": "DVDD",
"type": "power_in",
"description": "Digital 1.8-V power supply."
},
{
"number": "53",
"name": "DB1P",
"type": "output",
"description": "Positive serial LVDS output for wire-1 of channel B."
},
{
"number": "54",
"name": "DB1M",
"type": "output",
"description": "Negative serial LVDS output for wire-1 of channel B."
},
{
"number": "55",
"name": "DB0P",
"type": "output",
"description": "Positive serial LVDS output for wire-0 of channel B."
},
{
"number": "56",
"name": "DB0M",
"type": "output",
"description": "Negative serial LVDS output for wire-0 of channel B."
},
{
"number": "57",
"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": {
"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 GND PowerPAD (exposed thermal pad on the package back side) is listed in the Pin Functions table; The top-view pin diagram on page 3 is garbled in the text extraction, so pin positions were taken fr; The part is sold in the RTQ (VQFN-56, 8x8) package per the ordering addendum (ADC3421IRTQR, 2000-pie",
"exposed pad 57 added from the footprint"
],
"pages_sent": 11,
"cost_usd": 0.0934,
"at": "2026-10-12T04:38:19"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/adc3422",
"pages": 80,
"sha256": "48d3d273984a8052",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 57,
"described": 57,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "adc3421irtqr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
8.0,
8.0,
1.0
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "54eb482f12c9d8b70c1bfc78306a1c34f412f3556e225cbd097840e5abdb7981",
"checked": "2026-10-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "adc3421irtqr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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8.0,
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"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "dc29b94360356238f4ce022144f834be42ace9e16bd7e65ab5c3a5e72b45146e",
"checked": "2026-10-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}
}