component
AD7091R-8BCPZ
Public Made by Adomby adom
Analog Devices Pre-ordered Chips, LFCSP-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ad7091r-8bcpz",
"version": "0.1.0",
"type": "component",
"description": "Analog Devices Pre-ordered Chips, LFCSP-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface ics",
"ad7091r-8bcpz",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"docs/hero.png",
"docs/ad7091r-8bcpz-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ad7091r-8bcpz-hero.glb",
"ad7091r-8bcpz-hero.overlay.json",
"ad7091r-8bcpz-etched.glb"
],
"component": {
"mpn": "AD7091R-8BCPZ",
"manufacturer": "Analog Devices",
"package": "LFCSP-24(4x4)",
"pin_count": 25,
"category": "Interface ICs",
"subcategory": "Pre-ordered Chips",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7091R-2_7091R-4_7091R-8.pdf",
"parts": {
"symbol": "ad7091r-8bcpz.kicad_sym",
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"model_3d_step_plain": "ad7091r-8bcpz.step",
"lbr": "ad7091r-8bcpz.lbr"
},
"distributor_links": {
"lcsc": "C578385",
"digikey": "505-AD7091R-8BCPZ-ND",
"mouser": "584-AD7091R-8BCPZ"
},
"distributor_check": {
"checked_at": "2026-10-31T09:26:04Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "505-AD7091R-8BCPZ-ND",
"status": "found"
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"pn": "584-AD7091R-8BCPZ",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Power supply input with a 2.7 V to 5.25 V range, to be decoupled to GND."
},
{
"number": "2",
"name": "REGCAP",
"type": "passive",
"description": "Internal regulator output decoupling pin, to be decoupled separately to GND with a 1.0 µF capacitor."
},
{
"number": "3",
"name": "REFIN/REFOUT",
"type": "bidirectional",
"description": "2.5 V voltage reference output, decoupled to GND (typically 2.2 µF), or overdriven by an external reference of 1.0 V to VDD."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Chip ground pin, the ground reference point for all circuitry on the AD7091R-8."
},
{
"number": "5",
"name": "MUXOUT",
"type": "output",
"description": "Multiplexer output; tie directly to ADCIN if no external filtering or buffering is needed, otherwise tie the conditioning network output to ADCIN."
},
{
"number": "6",
"name": "VIN0",
"type": "input",
"description": "Single-ended analog input 0 with a range of 0 V to VREF."
},
{
"number": "7",
"name": "VIN2",
"type": "input",
"description": "Single-ended analog input 2 with a range of 0 V to VREF."
},
{
"number": "8",
"name": "ALERT/BUSY/GPO0",
"type": "output",
"description": "Configurable alert output (conversion result outside limits), BUSY indicator during conversion, or general-purpose digital output; open-drain when used as ALERT or BUSY."
},
{
"number": "9",
"name": "VIN4",
"type": "input",
"description": "Single-ended analog input 4 with a range of 0 V to VREF."
},
{
"number": "10",
"name": "VIN6",
"type": "input",
"description": "Single-ended analog input 6 with a range of 0 V to VREF."
},
{
"number": "11",
"name": "VIN7",
"type": "input",
"description": "Single-ended analog input 7 with a range of 0 V to VREF."
},
{
"number": "12",
"name": "VIN5",
"type": "input",
"description": "Single-ended analog input 5 with a range of 0 V to VREF."
},
{
"number": "13",
"name": "GPO1",
"type": "output",
"description": "General-purpose digital output."
},
{
"number": "14",
"name": "VIN3",
"type": "input",
"description": "Single-ended analog input 3 with a range of 0 V to VREF."
},
{
"number": "15",
"name": "VIN1",
"type": "input",
"description": "Single-ended analog input 1 with a range of 0 V to VREF."
},
{
"number": "16",
"name": "ADCIN",
"type": "input",
"description": "ADC input giving access to the on-chip track-and-hold; tie to MUXOUT if no external filtering or buffering is required."
},
{
"number": "17",
"name": "GND",
"type": "power_in",
"description": "Chip ground pin, the ground reference point for all circuitry on the AD7091R-8."
},
{
"number": "18",
"name": "SDI",
"type": "input",
"description": "Serial data input for writing the on-chip control registers, clocked on the rising edge of SCLK, MSB first."
},
{
"number": "19",
"name": "SDO",
"type": "output",
"description": "Serial data output; conversion data clocked out MSB first on the falling edge of SCLK, with 13 SCLKs required to access the data."
},
{
"number": "20",
"name": "SCLK",
"type": "input",
"description": "Serial clock input."
},
{
"number": "21",
"name": "CONVST",
"type": "input",
"description": "Edge-triggered convert start input; the falling edge puts the track-and-hold into hold mode and initiates a conversion."
},
{
"number": "22",
"name": "VDRIVE",
"type": "power_in",
"description": "Logic power supply input setting the interface voltage, 1.8 V to 5.25 V, decoupled to GND with typically 10 µF and 0.1 µF."
},
{
"number": "23",
"name": "CS",
"type": "input",
"description": "Chip select input; when held low the serial bus is enabled and CS frames the output data on the SPI."
},
{
"number": "24",
"name": "RESET",
"type": "input",
"description": "Logic reset input."
},
{
"number": "25",
"name": "EPAD",
"type": "passive",
"description": "Exposed pad, not connected internally; recommended to be soldered to GND."
}
],
"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: EPAD is not connected internally per datasheet; typed passive, with soldering to GND only recommende; Pin types for REFIN/REFOUT, REGCAP and MUXOUT are inferred from the descriptions, because the datash"
],
"pages_sent": 18,
"cost_usd": 0.2004,
"at": "2026-10-31T09:25:44"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7091R-2_7091R-4_7091R-8.pdf",
"pages": 39,
"sha256": "9c0395b23368e515",
"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"
},
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"role": "eda",
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}