component
ADS8331IRGER
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "ads8331irger",
"title": "ADS8331IRGER",
"brief": "Texas Instruments Analog To Digital Converters (ADC), VQFN-24-EP(4x4). 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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"component": {
"mpn": "ADS8331IRGER",
"manufacturer": "Texas Instruments",
"package": "VQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/ads8331",
"parts": {
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"distributor_links": {
"lcsc": "C2669950",
"digikey": "296-25861-2-ND",
"mouser": "595-ADS8331IRGER"
},
"distributor_check": {
"checked_at": "2026-10-08T02:37:18Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-25861-2-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "595-ADS8331IRGER",
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},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "No internal connection on the ADS8331 (this pin is IN4 on the ADS8332); leave it unconnected."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No internal connection on the ADS8331 (this pin is IN5 on the ADS8332); leave it unconnected."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "No internal connection on the ADS8331 (this pin is IN6 on the ADS8332); leave it unconnected."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No internal connection on the ADS8331 (this pin is IN7 on the ADS8332); leave it unconnected."
},
{
"number": "5",
"name": "RESET",
"type": "input",
"description": "External reset input, active low."
},
{
"number": "6",
"name": "EOC/INT/CDI",
"type": "output",
"description": "Programmable status output: end-of-conversion (low during conversion by default) or interrupt (low after conversion, returns high after FS/CS goes low), with programmable polarity; it can also serve as chain data input (CDI) in daisy-chain mode."
},
{
"number": "7",
"name": "SCLK",
"type": "input",
"description": "SPI clock input for the serial interface."
},
{
"number": "8",
"name": "FS/CS",
"type": "input",
"description": "Frame sync input for DSP operation or chip select input for SPI."
},
{
"number": "9",
"name": "SDI",
"type": "input",
"description": "SPI serial data input."
},
{
"number": "10",
"name": "SDO",
"type": "output",
"description": "SPI serial data output."
},
{
"number": "11",
"name": "DGND",
"type": "power_in",
"description": "Digital interface ground."
},
{
"number": "12",
"name": "CONVST",
"type": "input",
"description": "Conversion start input; freezes the sample-and-hold and starts a conversion. Global CONVST is independent of CS."
},
{
"number": "13",
"name": "VBD",
"type": "power_in",
"description": "Digital interface supply; recommended operating range is 1.65 V to VA + 0.2 V."
},
{
"number": "14",
"name": "VA",
"type": "power_in",
"description": "Analog supply, 2.7 V to 5.5 V."
},
{
"number": "15",
"name": "REF+",
"type": "input",
"description": "External reference input."
},
{
"number": "16",
"name": "REF-",
"type": "power_in",
"description": "External reference ground; connect to AGND through an individual via on the printed-circuit board."
},
{
"number": "17",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "18",
"name": "ADCIN",
"type": "input",
"description": "ADC input; absolute maximum voltage to AGND is -0.3 V to VA + 0.3 V."
},
{
"number": "19",
"name": "MUXOUT",
"type": "output",
"description": "Multiplexer output."
},
{
"number": "20",
"name": "COM",
"type": "input",
"description": "Common ADC input, usually connected to AGND; absolute maximum voltage to AGND is -0.3 V to 0.3 V."
},
{
"number": "21",
"name": "IN0",
"type": "input",
"description": "Multiplexer analog input 0; absolute maximum voltage to AGND is -0.3 V to VA + 0.3 V."
},
{
"number": "22",
"name": "IN1",
"type": "input",
"description": "Multiplexer analog input 1; absolute maximum voltage to AGND is -0.3 V to VA + 0.3 V."
},
{
"number": "23",
"name": "IN2",
"type": "input",
"description": "Multiplexer analog input 2; absolute maximum voltage to AGND is -0.3 V to VA + 0.3 V."
},
{
"number": "24",
"name": "IN3",
"type": "input",
"description": "Multiplexer analog input 3; absolute maximum voltage to AGND is -0.3 V to VA + 0.3 V."
},
{
"number": "25",
"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 exposed thermal pad (bottom side) is not given a pin number in the text. It is listed only as 'T; EOC/INT/CDI is listed as O/O/I in the datasheet (output for EOC or INT, input for CDI in daisy-chain; REF- is listed without an I/O type in the table and is described as an external reference ground. It",
"exposed pad 25 added from the footprint"
],
"pages_sent": 11,
"cost_usd": 0.0819,
"at": "2026-10-08T02:37:01"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/ads8331",
"pages": 62,
"sha256": "6d4028ed191231f0",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"seat": "z = 0",
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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{
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"role": "eda",
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-24-EP(4x4)",
"Category": "Data Acquisition",
"Pins": "25"
}
},
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"author": {
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"email": "[email protected]"
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