component
AD7298BCPZ-RL7
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADCs), LFCSP-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ad7298bcpz-rl7",
"version": "0.1.0",
"type": "component",
"description": "Analog Devices Analog To Digital Converters (ADCs), LFCSP-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"adc-dac-data conversion",
"ad7298bcpz-rl7",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"ad7298bcpz-rl7.kicad_sym",
"ad7298bcpz-rl7.kicad_mod",
"ad7298bcpz-rl7.glb",
"ad7298bcpz-rl7.step",
"ad7298bcpz-rl7.lbr",
"docs/hero.png",
"docs/ad7298bcpz-rl7-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ad7298bcpz-rl7-hero.glb",
"ad7298bcpz-rl7-hero.overlay.json",
"ad7298bcpz-rl7-etched.glb"
],
"component": {
"mpn": "AD7298BCPZ-RL7",
"manufacturer": "Analog Devices",
"package": "LFCSP-20(4x4)",
"pin_count": 21,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7298.pdf",
"parts": {
"symbol": "ad7298bcpz-rl7.kicad_sym",
"footprint": "ad7298bcpz-rl7.kicad_mod",
"model_3d": "ad7298bcpz-rl7-hero.glb",
"model_3d_plain": "ad7298bcpz-rl7-etched.glb",
"model_3d_step": "ad7298bcpz-rl7-etched.step",
"model_3d_step_plain": "ad7298bcpz-rl7.step",
"lbr": "ad7298bcpz-rl7.lbr"
},
"distributor_links": {
"lcsc": "C208231",
"digikey": "AD7298BCPZ-RL7TR-ND",
"mouser": "584-AD7298BCPZ-R7"
},
"distributor_check": {
"checked_at": "2026-10-31T03:04:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "AD7298BCPZ-RL7TR-ND",
"status": "found"
},
"mouser": {
"pn": "584-AD7298BCPZ-R7",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VIN3",
"type": "input",
"description": "Analog input channel 3, single-ended, accepts 0 V to 2.5 V; unused inputs should be connected to GND1."
},
{
"number": "2",
"name": "VIN4",
"type": "input",
"description": "Analog input channel 4, single-ended, accepts 0 V to 2.5 V; unused inputs should be connected to GND1."
},
{
"number": "3",
"name": "VIN5",
"type": "input",
"description": "Analog input channel 5, single-ended, accepts 0 V to 2.5 V; unused inputs should be connected to GND1."
},
{
"number": "4",
"name": "VIN6",
"type": "input",
"description": "Analog input channel 6, single-ended, accepts 0 V to 2.5 V; unused inputs should be connected to GND1."
},
{
"number": "5",
"name": "VIN7",
"type": "input",
"description": "Analog input channel 7, single-ended, accepts 0 V to 2.5 V; unused inputs should be connected to GND1."
},
{
"number": "6",
"name": "GND1",
"type": "power_in",
"description": "Ground reference for the internal reference circuitry and all analog inputs; must be within 0.3 V of GND and connected to the system GND plane, with VREF decoupled to it by 10 μF."
},
{
"number": "7",
"name": "VREF",
"type": "power_in",
"description": "Internal 2.5 V reference output, which can be buffered and used externally, or disabled and driven by an external reference of 2.0 V to 2.5 V; decouple with 10 μF to GND1."
},
{
"number": "8",
"name": "DCAP",
"type": "passive",
"description": "Decoupling capacitor pin for the internal LDO, requiring 1 μF recommended capacitors to GND."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground reference for all analog and digital circuitry, which must be within 0.3 V of GND1 and connected to the system ground plane."
},
{
"number": "10",
"name": "VDD",
"type": "power_in",
"description": "Main supply voltage of 2.8 V to 3.6 V, to be decoupled to GND with 10 μF and 100 nF capacitors."
},
{
"number": "11",
"name": "CS",
"type": "input",
"description": "Active-low chip select; the falling edge starts a conversion and frames the serial transfer, with DOUT enabled while CS is low."
},
{
"number": "12",
"name": "TSENSE_BUSY",
"type": "output",
"description": "Busy output that goes high when a temperature sensor conversion starts and stays high until it completes."
},
{
"number": "13",
"name": "DIN",
"type": "input",
"description": "Serial data input for writing the control register, clocked in on the falling edge of SCLK."
},
{
"number": "14",
"name": "DOUT",
"type": "output",
"description": "Serial data output carrying four channel address bits followed by 12 bits of MSB-first conversion data, clocked out on the falling edge of SCLK."
},
{
"number": "15",
"name": "SCLK",
"type": "input",
"description": "Serial clock input for accessing conversion data from the AD7298 (fSCLK up to 20 MHz per Table 1 conditions)."
},
{
"number": "16",
"name": "VDRIVE",
"type": "power_in",
"description": "Logic supply that sets the digital interface voltage; range 1.65 V to 3.6 V, may be lower than VDD but must not exceed VDD by more than 0.3 V, and should be decoupled to GND."
},
{
"number": "17",
"name": "PD/RST",
"type": "input",
"description": "Power-down pin that places the part in full power-down when held low beyond 100 ns, and resets the device when pulsed low for 1 ns to 100 ns; analog inputs must be at 0 V before power-down."
},
{
"number": "18",
"name": "VIN0",
"type": "input",
"description": "Analog input channel 0, single-ended, accepts 0 V to 2.5 V; unused inputs should be connected to GND1."
},
{
"number": "19",
"name": "VIN1",
"type": "input",
"description": "Analog input channel 1, single-ended, accepts 0 V to 2.5 V; unused inputs should be connected to GND1."
},
{
"number": "20",
"name": "VIN2",
"type": "input",
"description": "Analog input channel 2, single-ended, accepts 0 V to 2.5 V; unused inputs should be connected to GND1."
},
{
"number": "21",
"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: Table 5 lists VIN3–VIN7 and VIN0–VIN2 as one grouped row without per-pin mapping. Pin-to-channel ass; VREF is both an internal reference output and an optional external reference input; the KiCad type '; The exposed paddle has no printed pin number on the package, so it is listed as 'EPAD' as the datash",
"exposed pad 21 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 9,
"cost_usd": 0.063,
"at": "2026-10-31T03:03:54"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7298.pdf",
"pages": 24,
"sha256": "aa6164eb83a61130",
"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": [
{
"file": "ad7298bcpz-rl7.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": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ad7298bcpz-rl7-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": "03d1e95e8474c3736e8b05472866501304e7a581051f72349b6d36c16a70eaa5",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "CP-20-8",
"source_page": 24,
"D": {
"nom_mm": 4.0,
"range_mm": [
3.9,
4.1
]
},
"E1": {
"nom_mm": 4.0,
"range_mm": [
3.9,
4.1
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.75,
"range_mm": [
0.7,
0.8
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "ad7298bcpz-rl7.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}