component
ADC12040CIVY
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"slug": "adc12040civy",
"title": "ADC12040CIVY",
"brief": "Texas Instruments Analog To Digital Converters (ADC), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"data acquisition",
"adc12040civy",
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"component": {
"mpn": "ADC12040CIVY",
"manufacturer": "Texas Instruments",
"package": "TQFP-32(7x7)",
"pin_count": 32,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/adc12040",
"parts": {
"symbol": "adc12040civy.kicad_sym",
"footprint": "adc12040civy.kicad_mod",
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"model_3d_step": "adc12040civy-etched.step",
"model_3d_step_plain": "adc12040civy.step",
"lbr": "adc12040civy.lbr"
},
"distributor_links": {
"lcsc": "C1542737",
"digikey": "ADC12040CIVY-ND",
"mouser": "926-ADC12040CIVY"
},
"distributor_check": {
"checked_at": "2026-10-11T16:45:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ADC12040CIVY-ND",
"status": "found",
"lifecycle": "Discontinued at DigiKey"
},
"mouser": {
"pn": "926-ADC12040CIVY",
"status": "found",
"lifecycle": "Obsolete"
}
},
"pins": [
{
"number": "1",
"name": "VREF",
"type": "power_in",
"description": "Reference input, 2.0V nominal, to be bypassed to ground with a 0.1 µF monolithic capacitor and kept between 1.0V and 2.4V."
},
{
"number": "2",
"name": "VIN+",
"type": "power_in",
"description": "Non-inverting analog signal input; with a 2.0V reference the ground-referenced input is 2.0 VP-P centered on VCM."
},
{
"number": "3",
"name": "VIN−",
"type": "power_in",
"description": "Inverting analog signal input; with a 2.0V reference the ground-referenced input is 2.0 VP-P centered on VCM, and it may be tied to VCM for single-ended use, though a differential input is required for best performance."
},
{
"number": "4",
"name": "AGND",
"type": "power_in",
"description": "Ground return for the analog supply."
},
{
"number": "5",
"name": "VA",
"type": "power_in",
"description": "Positive analog supply, to be connected to a quiet +5V source (VA range +4.75V to +5.25V) and bypassed with 0.1 µF and 10 µF capacitors within 1 cm of the pin."
},
{
"number": "6",
"name": "VA",
"type": "power_in",
"description": "Positive analog supply, to be connected to a quiet +5V source (VA range +4.75V to +5.25V) and bypassed with 0.1 µF and 10 µF capacitors within 1 cm of the pin."
},
{
"number": "7",
"name": "AGND",
"type": "power_in",
"description": "Ground return for the analog supply."
},
{
"number": "8",
"name": "PD",
"type": "input",
"description": "Power-down input; when high the converter is in power-down mode (40 mW typical), and when low it is in active mode."
},
{
"number": "9",
"name": "DGND",
"type": "power_in",
"description": "Ground return for the digital supply."
},
{
"number": "10",
"name": "CLK",
"type": "input",
"description": "Digital clock input, sampled on the rising edge of CLK."
},
{
"number": "11",
"name": "OE",
"type": "input",
"description": "Output enable; when low it enables the TRI-STATE data outputs, and when high the outputs are in a high-impedance state."
},
{
"number": "12",
"name": "DGND",
"type": "power_in",
"description": "Ground return for the digital supply."
},
{
"number": "13",
"name": "VD",
"type": "power_in",
"description": "Positive digital supply, to be connected to the same quiet +5V source as VA (range +4.75V to +5.25V) and bypassed with 0.1 µF and 10 µF capacitors within 1 cm of the pin."
},
{
"number": "14",
"name": "D0",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result (D0 is the LSB); outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "15",
"name": "D1",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "16",
"name": "D2",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "17",
"name": "D3",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "18",
"name": "D4",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "19",
"name": "D5",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "20",
"name": "DR GND",
"type": "power_in",
"description": "Ground return for the digital supply of the output drivers; connect to system ground and not in close proximity to DGND or AGND."
},
{
"number": "21",
"name": "VDR",
"type": "power_in",
"description": "Positive supply for the output drivers, +2.35V to +5V and never exceeding VD, bypassed to DR GND with 0.1 µF (and 10 µF tantalum if supplied separately from VA and VD)."
},
{
"number": "22",
"name": "D6",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "23",
"name": "D7",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "24",
"name": "D8",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "25",
"name": "D9",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "26",
"name": "D10",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result; outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "27",
"name": "D11",
"type": "output",
"description": "Digital data output bit of the 12-bit offset binary result (D11 is the MSB); outputs are TTL/CMOS compatible. Pin-to-bit mapping assumed sequential, see review notes."
},
{
"number": "28",
"name": "AGND",
"type": "power_in",
"description": "Ground return for the analog supply."
},
{
"number": "29",
"name": "VA",
"type": "power_in",
"description": "Positive analog supply, to be connected to a quiet +5V source (VA range +4.75V to +5.25V) and bypassed with 0.1 µF and 10 µF capacitors within 1 cm of the pin."
},
{
"number": "30",
"name": "VRN",
"type": "passive",
"description": "High-impedance reference bypass pin; connect a 0.1 µF capacitor to AGND and do not load this pin."
},
{
"number": "31",
"name": "VRP",
"type": "passive",
"description": "High-impedance reference bypass pin; connect a 0.1 µF capacitor to AGND and do not load this pin."
},
{
"number": "32",
"name": "VRM",
"type": "passive",
"description": "High-impedance reference bypass pin; connect a 0.1 µF capacitor to AGND and do not load this pin."
}
],
"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: Datasheet gives the output pins only as groups ('D0–D11' on pins 14–19 and 22–27) without printing a; Package is LQFP-32 (NEY) per the TI package addendum. The text does not state the 7x7 mm body size, ; The Connection Diagram on page 2 (the physical pin layout) was not in the extracted text, so the pin",
"9/32 pins cited to the wrong page (name found elsewhere): ['15:D1@p4', '16:D2@p4', '17:D3@p4', '18:D4@p4']"
],
"pages_sent": 8,
"cost_usd": 0.057,
"at": "2026-10-11T16:45:22"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/adc12040",
"pages": 32,
"sha256": "9140dac24f903190",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint_binding": "identity",
"sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"sha256": "1c7523a575b402cec548ccdab2992479baa852f6449a571c1b70b0b85f580d45",
"checked": "2026-10-11",
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "TQFP-32(7x7)",
"Category": "Data Acquisition",
"Pins": "32"
}
},
"variants": [],
"sections": [
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"discovery_triggers": [
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"discovery_pitch": "ADC12040CIVY (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
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"email": "[email protected]"
},
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