component
ADS8920BRGER
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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"type": "component",
"slug": "ads8920brger",
"title": "ADS8920BRGER",
"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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"ads8920brger",
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],
"component": {
"mpn": "ADS8920BRGER",
"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/ads8920b",
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"lbr": "ads8920brger.lbr"
},
"distributor_links": {
"lcsc": "C1542899",
"digikey": "296-50913-2-ND",
"mouser": "595-ADS8920BRGER"
},
"distributor_check": {
"checked_at": "2026-10-12T02:23:06Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-50913-2-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "595-ADS8920BRGER",
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},
"pins": [
{
"number": "1",
"name": "CONVST",
"type": "input",
"description": "Conversion start input; a rising edge moves the device from the ACQ state to the CNV state, with CONVST high and low pulse widths of at least 30 ns each."
},
{
"number": "2",
"name": "RST",
"type": "input",
"description": "Asynchronous reset input; a low pulse of at least 100 ns resets all configuration registers to their default values."
},
{
"number": "3",
"name": "REFIN",
"type": "input",
"description": "Reference voltage input, where VREF must be between 2.5 V and RVDD - 0.3 V."
},
{
"number": "4",
"name": "REFM",
"type": "input",
"description": "Reference ground potential; connect externally to GND, with an absolute range of -0.1 V to 0.1 V relative to GND."
},
{
"number": "5",
"name": "REFBUFOUT",
"type": "bidirectional",
"description": "Internal reference buffer output or external reference input; short pins 5 and 7 together and decouple with CREFBUF (10 µF minimum) and RESR (0 to 1.3 Ω) to REFM."
},
{
"number": "6",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; leave this pin floating."
},
{
"number": "7",
"name": "REFBUFOUT",
"type": "bidirectional",
"description": "Internal reference buffer output or external reference input; short to pin 5 as the datasheet requires."
},
{
"number": "8",
"name": "REFM",
"type": "input",
"description": "Reference ground potential; connect externally to GND, with an absolute range of -0.1 V to 0.1 V relative to GND."
},
{
"number": "9",
"name": "AINP",
"type": "input",
"description": "Positive differential analog input; absolute input range is -0.3 V to VREF + 0.3 V, and the full-scale input range is ±VREF differential."
},
{
"number": "10",
"name": "AINM",
"type": "input",
"description": "Negative differential analog input; absolute input range is -0.3 V to VREF + 0.3 V, and the full-scale input range is ±VREF differential."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground; connect directly to the exposed thermal pad with at least four 8 mil vias."
},
{
"number": "12",
"name": "RVDD",
"type": "power_in",
"description": "Analog supply pin; RVDD must be between 3 V and 5.5 V (5 V nominal) with respect to AGND."
},
{
"number": "13",
"name": "DECAP",
"type": "power_out",
"description": "Internal LDO output (2.85 V nominal) for the ADC core; short pins 13 and 14 and decouple with at least 1 µF (10 V X7R) to GND, and do not use for external loads."
},
{
"number": "14",
"name": "DECAP",
"type": "power_out",
"description": "Internal LDO output (2.85 V nominal) for the ADC core; short pins 13 and 14 and decouple with at least 1 µF (10 V X7R) to GND, and do not use for external loads."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Ground; connect directly to the exposed thermal pad with at least four 8 mil vias."
},
{
"number": "16",
"name": "DVDD",
"type": "power_in",
"description": "Digital interface supply; DVDD must be between 1.65 V and 5.5 V for operation and 2.35 V to 5.5 V for the specified throughput."
},
{
"number": "17",
"name": "SDO-3",
"type": "output",
"description": "Serial data output 3, used for the four-wire SDO data bus; the output is high-impedance when CS is high."
},
{
"number": "18",
"name": "SDO-2",
"type": "output",
"description": "Serial data output 2, used for the multi-bit SDO data bus; the output is high-impedance when CS is high."
},
{
"number": "19",
"name": "SDO-1",
"type": "output",
"description": "Serial data output 1, used for the multi-bit SDO data bus; the output is high-impedance when CS is high."
},
{
"number": "20",
"name": "SDO-0",
"type": "output",
"description": "Serial data output 0, the primary serial data output; the output is high-impedance when CS is high."
},
{
"number": "21",
"name": "RVS",
"type": "output",
"description": "Multifunction output that reflects the internal ADCST status when CS is high and the selected output protocol when CS is low."
},
{
"number": "22",
"name": "SDI",
"type": "input",
"description": "Serial data input used to load data or commands into the device."
},
{
"number": "23",
"name": "SCLK",
"type": "input",
"description": "Serial interface clock input; all synchronous data transfer protocols are timed from this signal."
},
{
"number": "24",
"name": "CS",
"type": "input",
"description": "Active-low chip select; when low the device controls the data bus, and when high the SDO-x pins go to high-impedance."
},
{
"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 is described as connected to GND, but the datasheet text does not assign it ; Pin 5 and pin 7 are both REFBUFOUT, pins 4 and 8 are both REFM, pins 13 and 14 are both DECAP, and p; Pin 6 (NC) is listed as unconnected and must be left floating.",
"exposed pad 25 added from the footprint",
"2/25 pins cited to the wrong page (name found elsewhere): ['13:DECAP@p20', '14:DECAP@p20']"
],
"pages_sent": 59,
"cost_usd": 0.2633,
"at": "2026-10-12T02:22:49"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/ads8920b",
"pages": 79,
"sha256": "3dd6b80bbddb7b44",
"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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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-24-EP(4x4)",
"Category": "Data Acquisition",
"Pins": "25"
}
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