component
AD7985BCPZ
Public Made by Adomby adom
ADI(亚德诺) , LFCSP-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ad7985bcpz",
"version": "0.1.0",
"type": "component",
"description": "ADI(亚德诺) , LFCSP-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"ic",
"ad7985bcpz",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ad7985bcpz.kicad_sym",
"ad7985bcpz.kicad_mod",
"ad7985bcpz.glb",
"ad7985bcpz.step",
"ad7985bcpz.lbr",
"docs/hero.png",
"docs/ad7985bcpz-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ad7985bcpz-hero.glb",
"ad7985bcpz-hero.overlay.json",
"ad7985bcpz-etched.glb"
],
"component": {
"mpn": "AD7985BCPZ",
"manufacturer": "ADI(亚德诺)",
"package": "LFCSP-20(4x4)",
"pin_count": 21,
"category": "IC",
"subcategory": "IC",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7985.pdf",
"parts": {
"symbol": "ad7985bcpz.kicad_sym",
"footprint": "ad7985bcpz.kicad_mod",
"model_3d": "ad7985bcpz-hero.glb",
"model_3d_plain": "ad7985bcpz-etched.glb",
"model_3d_step": "ad7985bcpz-etched.step",
"model_3d_step_plain": "ad7985bcpz.step",
"lbr": "ad7985bcpz.lbr"
},
"distributor_links": {
"lcsc": "C578583",
"digikey": "AD7985BCPZ-ND",
"mouser": "584-AD7985BCPZ"
},
"distributor_check": {
"checked_at": "2026-10-28T16:09:52Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "AD7985BCPZ-ND",
"status": "found"
},
"mouser": {
"pn": "584-AD7985BCPZ",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "REF",
"type": "bidirectional",
"description": "Reference output/input voltage: with PDREF low it produces 4.096 V from the internal reference, and with PDREF high it accepts an external reference up to 5.0 V, decoupled closely to REFGND with a 10 µF capacitor."
},
{
"number": "2",
"name": "REF",
"type": "bidirectional",
"description": "Reference output/input voltage: with PDREF low it produces 4.096 V from the internal reference, and with PDREF high it accepts an external reference up to 5.0 V, decoupled closely to REFGND with a 10 µF capacitor."
},
{
"number": "3",
"name": "REFGND",
"type": "power_in",
"description": "Reference input analog ground, to which REF is referred and which must be decoupled closely to REF."
},
{
"number": "4",
"name": "REFGND",
"type": "power_in",
"description": "Reference input analog ground, to which REF is referred and which must be decoupled closely to REF."
},
{
"number": "5",
"name": "IN−",
"type": "input",
"description": "Analog input ground sense, to be connected to the analog ground plane or a remote ground sense."
},
{
"number": "6",
"name": "IN+",
"type": "input",
"description": "Analog input referred to IN-, with the input voltage range (IN+ minus IN-) of 0 V to VREF."
},
{
"number": "7",
"name": "PDREF",
"type": "input",
"description": "Internal reference power-down input: low enables the internal reference, and high powers it down so an external reference must be used."
},
{
"number": "8",
"name": "VIO",
"type": "power_in",
"description": "Input/output interface digital power, nominally at the host interface supply of 1.8 V, 2.5 V, or 2.7 V."
},
{
"number": "9",
"name": "SDO",
"type": "output",
"description": "Serial data output on which the conversion result is output, synchronized to SCK."
},
{
"number": "10",
"name": "DGND",
"type": "power_in",
"description": "Digital power ground."
},
{
"number": "11",
"name": "DVDD",
"type": "power_in",
"description": "Digital power, nominally at 2.5 V."
},
{
"number": "12",
"name": "SCK",
"type": "input",
"description": "Serial data clock input that shifts out the conversion result when the device is selected."
},
{
"number": "13",
"name": "CNV",
"type": "input",
"description": "Convert input: its leading edge initiates conversions and selects chain mode or CS mode, and in chain mode data must be read while CNV is high."
},
{
"number": "14",
"name": "SDI",
"type": "input",
"description": "Serial data input that selects the interface mode at the CNV rising edge: low selects chain mode (data input for daisy-chaining, output on SDO after 16 SCK cycles), high selects CS mode."
},
{
"number": "15",
"name": "TURBO",
"type": "input",
"description": "Conversion mode selection: high gives maximum throughput of 2.5 MSPS without power-down between conversions, low gives 2.0 MSPS with power-down between conversions."
},
{
"number": "16",
"name": "AVDD",
"type": "power_in",
"description": "Input analog power, nominally at 2.5 V."
},
{
"number": "17",
"name": "AGND",
"type": "power_in",
"description": "Analog power ground."
},
{
"number": "18",
"name": "AGND",
"type": "power_in",
"description": "Analog power ground."
},
{
"number": "19",
"name": "BVDD",
"type": "power_in",
"description": "Reference buffer power, nominally at 5.0 V; if an external reference buffer is used, REFIN is tied to ground to power down the internal buffer and the external buffer connects to BVDD."
},
{
"number": "20",
"name": "REFIN",
"type": "bidirectional",
"description": "Internal reference output or reference buffer input, producing 1.2 V typical on this pin when PDREF is low and needing 0.1 µF typical external decoupling."
},
{
"number": "21",
"name": "Exposed Pad",
"type": "unconnected",
"description": "Exposed pad, not connected internally, recommended to be soldered to the system ground plane for solder joint reliability."
}
],
"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": [],
"pages_sent": 12,
"cost_usd": 0.0204,
"at": "2026-10-28T16:09:33"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7985.pdf",
"pages": 28,
"sha256": "5831a023f8982c83",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "ad7985bcpz.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": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ad7985bcpz-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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0.77
],
"zmin_mm": 0.0,
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"footprint_binding": "identity",
"sha256": "37d4ac88d8a3a7540340bb7a0e3f1c12c6004e1a3ff12ee6be60868370e3aff8",
"checked": "2026-10-28",
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}
]
}
}