component
ADS7950SBRGET
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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{
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"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Analog To Digital Converters (ADC), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
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"data acquisition",
"ads7950sbrget",
"factory-2.0.0",
"extractor-text"
],
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],
"component": {
"mpn": "ADS7950SBRGET",
"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/lit/ds/symlink/ads7950.pdf",
"parts": {
"symbol": "ads7950sbrget.kicad_sym",
"footprint": "ads7950sbrget.kicad_mod",
"model_3d": "ads7950sbrget-hero.glb",
"model_3d_plain": "ads7950sbrget-etched.glb",
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"model_3d_step_plain": "ads7950sbrget.step",
"lbr": "ads7950sbrget.lbr"
},
"distributor_links": {
"lcsc": "C2861275",
"digikey": "296-25838-2-ND",
"mouser": "595-ADS7950SBRGET"
},
"distributor_check": {
"checked_at": "2026-11-11T00:47:00Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-25838-2-ND",
"status": "found",
"lifecycle": "Active"
},
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"pn": "595-ADS7950SBRGET",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "+VA",
"type": "power_in",
"description": "Analog power supply, 2.7 V to 5.25 V recommended, with a 1-µF ceramic decoupling capacitor required at each supply pin."
},
{
"number": "2",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; all channel inputs share this common analog ground."
},
{
"number": "3",
"name": "MXO",
"type": "output",
"description": "Multiplexer output, which may be shorted to AINP or routed through a buffer or signal-conditioning stage, with source impedance kept to 50 Ω or less when shorted directly."
},
{
"number": "4",
"name": "AINP",
"type": "input",
"description": "ADC input signal, with AINP to AGND limited to -0.3 V to +VA + 0.3 V as an absolute maximum."
},
{
"number": "5",
"name": "AINM",
"type": "input",
"description": "ADC input ground, the negative reference for the ADC input."
},
{
"number": "6",
"name": "NC",
"type": "unconnected",
"description": "Internally not connected; do not float this pin and connect it to ground."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "Internally not connected; do not float this pin and connect it to ground."
},
{
"number": "8",
"name": "CH3",
"type": "input",
"description": "Analog input channel 3 for the multiplexer, with CHn to AGND limited to -0.3 V to +VA + 0.3 V."
},
{
"number": "9",
"name": "CH2",
"type": "input",
"description": "Analog input channel 2 for the multiplexer, with CHn to AGND limited to -0.3 V to +VA + 0.3 V."
},
{
"number": "10",
"name": "CH1",
"type": "input",
"description": "Analog input channel 1 for the multiplexer, with CHn to AGND limited to -0.3 V to +VA + 0.3 V."
},
{
"number": "11",
"name": "CH0",
"type": "input",
"description": "Analog input channel 0 for the multiplexer, with CHn to AGND limited to -0.3 V to +VA + 0.3 V."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "Internally not connected; do not float this pin and connect it to ground."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "Internally not connected; do not float this pin and connect it to ground."
},
{
"number": "14",
"name": "+VA",
"type": "power_in",
"description": "Analog power supply, 2.7 V to 5.25 V recommended, with a 1-µF ceramic decoupling capacitor required at each supply pin."
},
{
"number": "15",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; all channel inputs share this common analog ground."
},
{
"number": "16",
"name": "CS",
"type": "input",
"description": "Active-low chip-select input; the input signal is sampled on its falling edge and a frame ends only after 16 SCLK clocks have elapsed."
},
{
"number": "17",
"name": "SCLK",
"type": "input",
"description": "Serial clock input, up to 20 MHz, used for conversion, serial data output and serial data input."
},
{
"number": "18",
"name": "SDI",
"type": "input",
"description": "Serial data input for the 16-bit control word, latched on each SCLK rising edge starting with the first clock."
},
{
"number": "19",
"name": "SDO",
"type": "output",
"description": "Serial data output carrying the channel address and conversion result, which goes to the 3-state condition after the 16th SCLK falling edge."
},
{
"number": "20",
"name": "BDGND",
"type": "power_in",
"description": "Digital ground for the digital I/O interface."
},
{
"number": "21",
"name": "+VBD",
"type": "power_in",
"description": "Digital I/O supply, 1.7 V to +VA recommended, with a 1-µF ceramic decoupling capacitor required at the pin."
},
{
"number": "22",
"name": "GPIO0",
"type": "bidirectional",
"description": "General-purpose input or output; when configured it serves as an active-high high- or low-alarm output on the VQFN package."
},
{
"number": "23",
"name": "REFM",
"type": "input",
"description": "Reference ground for the external 2.5 V reference, which needs a 10-µF ceramic decoupling capacitor to REFP placed next to the device."
},
{
"number": "24",
"name": "REFP",
"type": "input",
"description": "External reference input, 2 V to 3 V recommended (2.5 V nominal, ±10 mV), requiring a 10-µF ceramic decoupling capacitor to REFM."
},
{
"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 datasheet assigns no pin number to the exposed thermal pad of the VQFN-24-EP package, so the pad; The datasheet classes AINM and REFM as analog inputs even though both are ground references. They ar; KiCad has no analog ERC class, so analog inputs are typed input and MXO is typed output. The pin lis",
"exposed pad 25 added from the footprint"
],
"pages_sent": 87,
"cost_usd": 0.4245,
"at": "2026-11-11T00:46:44"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/ads7950.pdf",
"pages": 87,
"sha256": "e7922065e4d1691d",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ads7950sbrget.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-11-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ads7950sbrget-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
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"zmin_mm": 0.0,
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"sha256": "190167d35dcef114310006fddad71240a41c7e4267f9600587644a487ab33fce",
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}
],
"package_dims": {
"package_code": "RGE0024H",
"source_page": 74,
"D": {
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"range_mm": [
3.9,
4.1
]
},
"E1": {
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"range_mm": [
3.9,
4.1
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.0,
"range_mm": [
null,
1.0
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "ads7950sbrget.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}