component
AD5121BCPZ10-RL7
Public Made by Adomby adom
Analog Devices Digital Potentiometers, LFCSP-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ad5121bcpz10-rl7",
"version": "0.1.0",
"type": "component",
"description": "Analog Devices Digital Potentiometers, LFCSP-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"adc-dac-data conversion",
"ad5121bcpz10-rl7",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
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"ad5121bcpz10-rl7.kicad_mod",
"ad5121bcpz10-rl7.glb",
"ad5121bcpz10-rl7.step",
"ad5121bcpz10-rl7.lbr",
"docs/hero.png",
"docs/ad5121bcpz10-rl7-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ad5121bcpz10-rl7-hero.glb",
"ad5121bcpz10-rl7-hero.overlay.json",
"ad5121bcpz10-rl7-etched.glb"
],
"component": {
"mpn": "AD5121BCPZ10-RL7",
"manufacturer": "Analog Devices",
"package": "LFCSP-16(3x3)",
"pin_count": 17,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Digital Potentiometers",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD5121_5141.pdf",
"parts": {
"symbol": "ad5121bcpz10-rl7.kicad_sym",
"footprint": "ad5121bcpz10-rl7.kicad_mod",
"model_3d": "ad5121bcpz10-rl7-hero.glb",
"model_3d_plain": "ad5121bcpz10-rl7-etched.glb",
"model_3d_step": "ad5121bcpz10-rl7-etched.step",
"model_3d_step_plain": "ad5121bcpz10-rl7.step",
"lbr": "ad5121bcpz10-rl7.lbr"
},
"distributor_links": {
"lcsc": "C649239",
"digikey": "505-AD5121BCPZ10-RL7TR-ND",
"mouser": "584-AD5121BCPZ10-R7"
},
"distributor_check": {
"checked_at": "2026-10-30T11:51:59Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "505-AD5121BCPZ10-RL7TR-ND",
"status": "found"
},
"mouser": {
"pn": "584-AD5121BCPZ10-R7",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground pin, logic ground reference."
},
{
"number": "2",
"name": "A",
"type": "passive",
"description": "Terminal A of RDAC; voltage must satisfy VSS ≤ VA ≤ VDD."
},
{
"number": "3",
"name": "W",
"type": "passive",
"description": "Wiper terminal of RDAC; voltage must satisfy VSS ≤ VW ≤ VDD."
},
{
"number": "4",
"name": "B",
"type": "passive",
"description": "Terminal B of RDAC; voltage must satisfy VSS ≤ VB ≤ VDD."
},
{
"number": "5",
"name": "VSS",
"type": "power_in",
"description": "Negative power supply; decouple with 0.1 µF ceramic and 10 µF capacitors."
},
{
"number": "6",
"name": "SYNC/ADDR0",
"type": "input",
"description": "Programmable address ADDR0 for multiple package decoding when DIS = 1; active-low synchronization data input when DIS = 0, data is loaded into the RDAC register when SYNC returns high."
},
{
"number": "7",
"name": "RESET",
"type": "input",
"description": "Active-low hardware reset that refreshes the RDAC registers from EEPROM; tie to VLOGIC if not used."
},
{
"number": "8",
"name": "DIS",
"type": "input",
"description": "Digital interface select, SPI when DIS = 0 (GND) and I2C when DIS = 1 (VLOGIC); cannot be left floating."
},
{
"number": "9",
"name": "VDD",
"type": "power_in",
"description": "Positive power supply; decouple with 0.1 µF ceramic and 10 µF capacitors."
},
{
"number": "10",
"name": "VLOGIC",
"type": "power_in",
"description": "Logic power supply, 1.8 V to VDD; decouple with 0.1 µF ceramic and 10 µF capacitors."
},
{
"number": "11",
"name": "SCLK/SCL",
"type": "input",
"description": "SPI serial clock (SCLK) or I2C serial clock (SCL); data is clocked in at logic low transition."
},
{
"number": "12",
"name": "SDI/SDA",
"type": "bidirectional",
"description": "Serial data input/output (SDA) when DIS = 1; serial data input (SDI) when DIS = 0."
},
{
"number": "13",
"name": "WP",
"type": "input",
"description": "Optional active-low write protect preventing changes to RDAC and EEPROM contents except when reloading EEPROM into the RDAC register; tie to VLOGIC if not used."
},
{
"number": "14",
"name": "SDO/ADDR1",
"type": "bidirectional",
"description": "Programmable address ADDR1 for multiple package decoding when DIS = 1; open-drain serial data output (SDO) needing an external pull-up resistor when DIS = 0."
},
{
"number": "15",
"name": "INDEP",
"type": "input",
"description": "Linear gain setting mode at power-up, each string resistor is loaded from its associated memory location; if enabled it cannot be disabled by software."
},
{
"number": "16",
"name": "LRDAC",
"type": "input",
"description": "Active-low load RDAC that transfers the input register contents to the RDAC register for asynchronous update; tie to VLOGIC if not used."
},
{
"number": "17",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin types (e.g., A/W/B as passive, SDI/SDA and SDO/ADDR1 as bidirectional, SYNC/ADDR0 as input) are ; The exposed pad is not numbered in the datasheet and is listed as EPAD; it is listed as a pin even t"
],
"pages_sent": 8,
"cost_usd": 0.1069,
"at": "2026-10-30T11:51:44"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD5121_5141.pdf",
"pages": 30,
"sha256": "9e0c5cdca83084fb",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
3.0,
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],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ad5121bcpz10-rl7-etched.step",
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"units": "mm",
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"seat": "z = 0",
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],
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"sha256": "fab7d7b2bafd8823559a3b8cd9a247557dfcb3149afa950eea033cf60f899d68",
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}
]
}
}