component
LHR3040AFAA
Public Made by Adomby adom
Legendsemi Voltage Reference, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "lhr3040afaa",
"version": "0.1.0",
"type": "component",
"description": "Legendsemi Voltage Reference, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"lhr3040afaa",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"lhr3040afaa.kicad_sym",
"lhr3040afaa.kicad_mod",
"lhr3040afaa.glb",
"lhr3040afaa.step",
"lhr3040afaa.lbr",
"docs/hero.png",
"docs/lhr3040afaa-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lhr3040afaa-hero.glb",
"lhr3040afaa-hero.overlay.json",
"lhr3040afaa-etched.glb"
],
"component": {
"mpn": "LHR3040AFAA",
"manufacturer": "Legendsemi",
"package": "SOP-8",
"pin_count": 8,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Reference",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603346729685168128",
"parts": {
"symbol": "lhr3040afaa.kicad_sym",
"footprint": "lhr3040afaa.kicad_mod",
"model_3d": "lhr3040afaa-hero.glb",
"model_3d_plain": "lhr3040afaa-etched.glb",
"model_3d_step": "lhr3040afaa-etched.step",
"model_3d_step_plain": "lhr3040afaa.step",
"lbr": "lhr3040afaa.lbr"
},
"distributor_links": {
"lcsc": "C18213063"
},
"distributor_check": {
"checked_at": "2026-10-18T11:29:49Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; this pin must be left unconnected."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Supply voltage input, which must be at least VOUT + 0.2 V (4.296 V for LHR3040) and no more than 18 V, with a 2.7 V minimum for VOUT ≤ 2.5 V variants."
},
{
"number": "3",
"name": "TEMP",
"type": "output",
"description": "Temperature monitor output that gives a temperature-dependent voltage of 668 mV at 25 °C with 1.91 mV/°C sensitivity; it has high output impedance and should be buffered if loaded."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; the pin may be left unconnected."
},
{
"number": "6",
"name": "VOUT",
"type": "power_out",
"description": "Buffered reference voltage output (4.096 V for LHR3040), rated for ±10 mA load current and requiring a 1 µF to 50 µF output capacitor from VOUT to GND."
},
{
"number": "7",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; this pin must be left unconnected."
},
{
"number": "8",
"name": "DNC",
"type": "unconnected",
"description": "Do not connect; this pin must be left unconnected."
}
],
"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: The pin-function table (Table 1) and the pin-number figure are taken from the SOP8L/MSOP8L shared se; Pin 6 (VOUT) and pin 2 (VIN) descriptions combine statements from several sections (absolute max, re"
],
"pages_sent": 14,
"cost_usd": 0.0468,
"at": "2026-10-18T11:27:38"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603346729685168128",
"pages": 14,
"sha256": "a5ef983cd4f79fdb",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
4.9,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lhr3040afaa-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
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],
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"sha256": "af694e1a89bcf556f6ad08cd789d350fa3477f23f8268beb031093deb7c487d4",
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}
]
}
}