component
MC34119G-SO8-R
Public Made by Adomby adom
UTC Unisonic Tech Audio Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481
{
"schema_version": 1,
"type": "component",
"slug": "mc34119g-so8-r",
"title": "MC34119G-SO8-R",
"brief": "UTC Unisonic Tech Audio Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"amplifiers-comparators",
"mc34119g-so8-r",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MC34119G-SO8-R",
"manufacturer": "UTC Unisonic Tech",
"package": "SOIC-8",
"pin_count": 8,
"category": "Amplifiers/Comparators",
"subcategory": "Audio Amplifiers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586178465481830400",
"parts": {
"symbol": "mc34119g-so8-r.kicad_sym",
"footprint": "mc34119g-so8-r.kicad_mod",
"model_3d": "mc34119g-so8-r-hero.glb",
"model_3d_plain": "mc34119g-so8-r-etched.glb",
"model_3d_step": "mc34119g-so8-r-etched.step",
"model_3d_step_plain": "mc34119g-so8-r.step",
"lbr": "mc34119g-so8-r.lbr"
},
"distributor_links": {
"lcsc": "C87284"
},
"distributor_check": {
"checked_at": "2026-10-18T00:40:25Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "Mute",
"type": "input",
"description": "Logic LOW (below 0.8V) enables normal operation, logic HIGH (2V to VCC) disables the IC, and an open pin is equivalent to LOW."
},
{
"number": "2",
"name": "Ripple Rejection",
"type": "passive",
"description": "A capacitor at this pin increases power supply rejection and affects turn-on time, and the pin may be left open if the capacitor at pin 3 is sufficient."
},
{
"number": "3",
"name": "Input(+)",
"type": "input",
"description": "Analog ground for the amplifiers; a 1μF capacitor here with a 5μF capacitor at pin 2 gives 52dB (typ) power supply rejection and affects turn-on time, and the pin can be used as an alternative input."
},
{
"number": "4",
"name": "Input(-)",
"type": "input",
"description": "Amplifier input that sets low-frequency roll-off and input impedance through the input capacitor and resistor, with the feedback resistor connected between this pin and output 1."
},
{
"number": "5",
"name": "Output 1",
"type": "output",
"description": "Amplifier output 1 with a DC level of about (VCC-0.7V)/2."
},
{
"number": "6",
"name": "VCC",
"type": "power_in",
"description": "DC supply voltage input, specified at VCC = 2V to 16V."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "8",
"name": "Output 2",
"type": "output",
"description": "Amplifier output 2, equal in amplitude but 180° out of phase with output 1, with a DC level of about (VCC-0.7V)/2."
}
],
"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: Package naming mismatch: the MPN given is MC34119G-SO8-R (letter O in 'SO8'), while the datasheet or; The datasheet gives one pin description table (PIN NO. 1-8) that applies to all package variants (DI; The datasheet names this package SOP-8, not SOIC-8. The pinout is taken as the same package, but the"
],
"pages_sent": 8,
"cost_usd": 0.0448,
"at": "2026-10-18T00:38:28"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586178465481830400",
"pages": 8,
"sha256": "bb1b778037bcb923",
"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"
},
"models_3d": [
{
"file": "mc34119g-so8-r.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mc34119g-so8-r-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "fd58064fc4ed18ecc38a7cc9153e742a24e1228970d79f5f00e29fbaf1415dac",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "UTC Unisonic Tech",
"Package": "SOIC-8",
"Category": "Amplifiers/Comparators",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "bb1b778037bcb923bc2f47dc2359b75671940fcbe82203dccb195d077f363b04",
"rows": [
{
"name": "Output Offset Voltage",
"symbol": "VO(OFF)",
"kind": "electrical",
"unit": "mV",
"min": -30,
"typ": 0,
"max": 30,
"conditions": "VCC=6V, RF=75KΩ,RL=32Ω",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Open Loop Gain of Amp. 2",
"symbol": "GV2",
"kind": "electrical",
"unit": "dB",
"min": -0.35,
"typ": 0,
"max": 0.35,
"conditions": "f=1KHz, RL=32Ω",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Equivalent Resistance (Pin 3)",
"symbol": "REQ",
"kind": "electrical",
"unit": "KΩ",
"min": 100,
"typ": 150,
"max": 220,
"conditions": "Pin 3",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Equivalent Resistance (Pin 2)",
"symbol": "REQ",
"kind": "electrical",
"unit": "KΩ",
"min": 18,
"typ": 25,
"max": 40,
"conditions": "Pin 2",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Voltage",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 1,
"typ": 1.15,
"max": 1.25,
"conditions": "RL=16Ω, R1=75KΩ, VCC=3V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Current",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.7,
"max": 4,
"conditions": "VCC=3V, Mute=0.8V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Current",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3.3,
"max": 5,
"conditions": "VCC=16V, Mute=0.8V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Current (muted)",
"symbol": "ICC",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 65,
"max": 100,
"conditions": "VCC=3V, Mute=2V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Total Harmonic Distortion",
"symbol": "THD",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.5,
"max": 1,
"conditions": "f=1KHz, VCC=6V, RL=32Ω, POUT=125mW",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Load Impedance",
"symbol": "ZL",
"kind": "recommended_operating",
"unit": "Ω",
"min": 8,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Peak Load Current",
"symbol": "IL(PEAK)",
"kind": "recommended_operating",
"unit": "mA",
"min": -200,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Differential Gain",
"symbol": "GV",
"kind": "recommended_operating",
"unit": "dB",
"min": 0,
"typ": null,
"max": 46,
"conditions": "5KHz Bandwidth",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Ambient Temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "C",
"min": -20,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -1,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Current",
"symbol": "IOUT",
"kind": "absolute_maximum",
"unit": "mA",
"min": -250,
"typ": null,
"max": 250,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum Input, Ripple Rejection, Mute Pin Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -1,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Applied Output Voltage (Output Pin When Disabled)",
"symbol": "VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -1,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Temperature",
"symbol": "TOPR",
"kind": "absolute_maximum",
"unit": "C",
"min": -20,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"mc34119g-so8-r"
],
"discovery_pitch": "MC34119G-SO8-R (UTC Unisonic Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"mc34119g-so8-r.kicad_sym",
"mc34119g-so8-r.kicad_mod",
"mc34119g-so8-r.glb",
"mc34119g-so8-r.step",
"mc34119g-so8-r.lbr",
"docs/hero.png",
"docs/mc34119g-so8-r-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mc34119g-so8-r-hero.glb",
"mc34119g-so8-r-hero.overlay.json",
"mc34119g-so8-r-etched.glb"
],
"visibility": {
"public": true
}
}