component
LTC2308IUF#PBF
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADCs), QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338
{
"slug": "ltc2308iuf-pbf",
"version": "0.1.0",
"type": "component",
"description": "Analog Devices Analog To Digital Converters (ADCs), QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"adc-dac-data conversion",
"ltc2308iuf#pbf",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ltc2308iuf-pbf.kicad_sym",
"ltc2308iuf-pbf.kicad_mod",
"ltc2308iuf-pbf.glb",
"ltc2308iuf-pbf.step",
"ltc2308iuf-pbf.lbr",
"docs/hero.png",
"docs/ltc2308iuf-pbf-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ltc2308iuf-pbf-hero.glb",
"ltc2308iuf-pbf-hero.overlay.json",
"ltc2308iuf-pbf-etched.glb"
],
"component": {
"mpn": "LTC2308IUF#PBF",
"manufacturer": "Analog Devices",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/2308fc.pdf",
"parts": {
"symbol": "ltc2308iuf-pbf.kicad_sym",
"footprint": "ltc2308iuf-pbf.kicad_mod",
"model_3d": "ltc2308iuf-pbf-hero.glb",
"model_3d_plain": "ltc2308iuf-pbf-etched.glb",
"model_3d_step": "ltc2308iuf-pbf-etched.step",
"model_3d_step_plain": "ltc2308iuf-pbf.step",
"lbr": "ltc2308iuf-pbf.lbr"
},
"distributor_links": {
"lcsc": "C580529",
"digikey": "505-LTC2308IUF#PBF-ND",
"mouser": "584-LTC2308IUF#PBF"
},
"distributor_check": {
"checked_at": "2026-10-30T20:30:20Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "505-LTC2308IUF#PBF-ND",
"status": "found"
},
"mouser": {
"pn": "584-LTC2308IUF#PBF",
"status": "found",
"lifecycle": "End of Life"
}
},
"pins": [
{
"number": "1",
"name": "CH3",
"type": "input",
"description": "Analog input channel 3, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "2",
"name": "CH4",
"type": "input",
"description": "Analog input channel 4, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "3",
"name": "CH5",
"type": "input",
"description": "Analog input channel 5, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "4",
"name": "CH6",
"type": "input",
"description": "Analog input channel 6, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "5",
"name": "CH7",
"type": "input",
"description": "Analog input channel 7, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "6",
"name": "COM",
"type": "input",
"description": "Common input and reference point for all single-ended inputs; must be noise-free and tied to ground for unipolar conversions or midway between GND and REFCOMP for bipolar conversions."
},
{
"number": "7",
"name": "VREF",
"type": "power_in",
"description": "2.5V reference output, bypass to GND with at least 2.2µF tantalum or low-ESR ceramic capacitor; may be overdriven by an external 2.5V reference."
},
{
"number": "8",
"name": "REFCOMP",
"type": "bidirectional",
"description": "Reference buffer output with nominal 4.096V, bypass to GND with 10µF tantalum in parallel with 0.1µF ceramic; buffer is disabled by grounding VREF so REFCOMP can be overdriven externally."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "12",
"name": "AVDD",
"type": "power_in",
"description": "5V analog supply, range 4.75V to 5.25V, bypass to GND with 0.1µF ceramic and 10µF tantalum in parallel."
},
{
"number": "13",
"name": "AVDD",
"type": "power_in",
"description": "5V analog supply, range 4.75V to 5.25V, bypass to GND with 0.1µF ceramic and 10µF tantalum in parallel."
},
{
"number": "14",
"name": "CONVST",
"type": "input",
"description": "Conversion start; a rising edge begins a conversion, and for best performance it should return low within 40ns after the conversion starts or ends."
},
{
"number": "15",
"name": "SDI",
"type": "input",
"description": "Serial data input whose bit stream configures the ADC, latched on the rising edge of the first 6 SCK pulses."
},
{
"number": "16",
"name": "SCK",
"type": "input",
"description": "Serial data clock that synchronizes serial transfer; SDI is latched on the rising edge and SDO transitions on the falling edge."
},
{
"number": "17",
"name": "SDO",
"type": "output",
"description": "Serial data output of the previous conversion result, shifted out on the falling edge of each SCK pulse."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "19",
"name": "OVDD",
"type": "power_in",
"description": "Output driver supply, range 2.7V to 5.25V, bypass to GND with 0.1µF ceramic close to the pin."
},
{
"number": "20",
"name": "GND",
"type": "power_in",
"description": "Ground, must be connected to a solid ground plane."
},
{
"number": "21",
"name": "DVDD",
"type": "power_in",
"description": "5V digital supply, range 4.75V to 5.25V, bypass to GND with 0.1µF ceramic and 10µF tantalum in parallel."
},
{
"number": "22",
"name": "CH0",
"type": "input",
"description": "Analog input channel 0, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "23",
"name": "CH1",
"type": "input",
"description": "Analog input channel 1, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "24",
"name": "CH2",
"type": "input",
"description": "Analog input channel 2, configurable as single-ended or differential via the analog input multiplexer."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Exposed pad ground, must be soldered directly to the ground plane."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: VREF and REFCOMP typed bidirectional because the datasheet says each is an on-chip output that can b"
],
"pages_sent": 6,
"cost_usd": 0.0951,
"at": "2026-10-30T20:30:11"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/2308fc.pdf",
"pages": 22,
"sha256": "743f34ca5cdeb0f6",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ltc2308iuf-pbf.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": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ltc2308iuf-pbf-etched.step",
"role": "eda",
"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": "3b6cfcd13794a2edf183075d617bc750f14a3e1e54b32298f29dfae083415fe3",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "UF24",
"source_page": 20,
"D": {
"nom_mm": 4.0,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 4.0,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.75,
"range_mm": [
null,
null
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "ltc2308iuf-pbf.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}