component
LF347MX
Public Made by Adomby adom
Texas Instruments FET Input Amplifiers, SOIC-14. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217
{
"slug": "lf347mx",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments FET Input Amplifiers, SOIC-14. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"amplifiers-comparators",
"lf347mx",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"lf347mx.kicad_sym",
"lf347mx.kicad_mod",
"lf347mx.glb",
"lf347mx.step",
"lf347mx.lbr",
"docs/hero.png",
"docs/lf347mx-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lf347mx-hero.glb",
"lf347mx-hero.overlay.json",
"lf347mx-etched.glb"
],
"component": {
"mpn": "LF347MX",
"manufacturer": "Texas Instruments",
"package": "SOIC-14",
"pin_count": 14,
"category": "Amplifiers/Comparators",
"subcategory": "FET Input Amplifiers",
"datasheet": "https://www.ti.com/cn/lit/gpn/lf147",
"parts": {
"symbol": "lf347mx.kicad_sym",
"footprint": "lf347mx.kicad_mod",
"model_3d": "lf347mx-hero.glb",
"model_3d_plain": "lf347mx-etched.glb",
"model_3d_step": "lf347mx-etched.step",
"model_3d_step_plain": "lf347mx.step",
"lbr": "lf347mx.lbr"
},
"distributor_links": {
"lcsc": "C2057283",
"digikey": "LF347MXTR-ND",
"mouser": "926-LF347MX"
},
"distributor_check": {
"checked_at": "2026-10-20T22:55:49Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "LF347MXTR-ND",
"status": "found",
"lifecycle": "Obsolete"
},
"mouser": {
"pn": "926-LF347MX",
"status": "found",
"lifecycle": "Obsolete"
}
},
"pins": [
{
"number": "1",
"name": "OUT_A",
"type": "output",
"description": "Output of amplifier A; swings to ±13.5 V typ into 10 kΩ with VS=±15 V."
},
{
"number": "2",
"name": "IN-_A",
"type": "input",
"description": "Inverting input of amplifier A; input bias current 50 pA typ, input resistance 10¹² Ω."
},
{
"number": "3",
"name": "IN+_A",
"type": "input",
"description": "Non-inverting input of amplifier A; common-mode range ±11 V (VS=±15 V)."
},
{
"number": "4",
"name": "V+",
"type": "power_in",
"description": "Positive supply voltage; ±18 V max (LF347), total supply current 7.2 mA typ."
},
{
"number": "5",
"name": "IN+_B",
"type": "input",
"description": "Non-inverting input of amplifier B; common-mode range ±11 V (VS=±15 V)."
},
{
"number": "6",
"name": "IN-_B",
"type": "input",
"description": "Inverting input of amplifier B; input bias current 50 pA typ, input resistance 10¹² Ω."
},
{
"number": "7",
"name": "OUT_B",
"type": "output",
"description": "Output of amplifier B; swings to ±13.5 V typ into 10 kΩ with VS=±15 V."
},
{
"number": "8",
"name": "OUT_C",
"type": "output",
"description": "Output of amplifier C; swings to ±13.5 V typ into 10 kΩ with VS=±15 V."
},
{
"number": "9",
"name": "IN-_C",
"type": "input",
"description": "Inverting input of amplifier C; input bias current 50 pA typ, input resistance 10¹² Ω."
},
{
"number": "10",
"name": "IN+_C",
"type": "input",
"description": "Non-inverting input of amplifier C; common-mode range ±11 V (VS=±15 V)."
},
{
"number": "11",
"name": "V-",
"type": "power_in",
"description": "Negative supply voltage; ±18 V max (LF347); neither input voltage should exceed this rail."
},
{
"number": "12",
"name": "IN+_D",
"type": "input",
"description": "Non-inverting input of amplifier D; common-mode range ±11 V (VS=±15 V)."
},
{
"number": "13",
"name": "IN-_D",
"type": "input",
"description": "Inverting input of amplifier D; input bias current 50 pA typ, input resistance 10¹² Ω."
},
{
"number": "14",
"name": "OUT_D",
"type": "output",
"description": "Output of amplifier D; swings to ±13.5 V typ into 10 kΩ with VS=±15 V."
}
],
"provenance": {
"extractor": "ds2sf",
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lf147",
"pages": 26,
"sha256": "33686f838126616b",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 14,
"described": 14,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lf347mx.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.7,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lf347mx-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.7,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "d30051a1b1bf83582b7688486966dfdebbd9ecf098a6f21e04046f3758bed7cf",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}