component
TPA4411MRTJR
Public Made by Adomby adom
Texas Instruments Audio Power OpAmps, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711
{
"schema_version": 1,
"type": "component",
"slug": "tpa4411mrtjr",
"title": "TPA4411MRTJR",
"brief": "Texas Instruments Audio Power OpAmps, QFN-20-EP(4x4). 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",
"operational amplifier-comparator",
"tpa4411mrtjr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPA4411MRTJR",
"manufacturer": "Texas Instruments",
"package": "QFN-20-EP(4x4)",
"pin_count": 21,
"category": "Operational Amplifier/Comparator",
"subcategory": "Audio Power OpAmps",
"datasheet": "https://www.ti.com/lit/ds/symlink/tpa4411mrtjr.pdf",
"parts": {
"symbol": "tpa4411mrtjr.kicad_sym",
"footprint": "tpa4411mrtjr.kicad_mod",
"model_3d": "tpa4411mrtjr-hero.glb",
"model_3d_plain": "tpa4411mrtjr-etched.glb",
"model_3d_step": "tpa4411mrtjr-etched.step",
"model_3d_step_plain": "tpa4411mrtjr.step",
"lbr": "tpa4411mrtjr.lbr"
},
"distributor_links": {
"lcsc": "C2870295",
"digikey": "296-26885-2-ND",
"mouser": "595-TPA4411MRTJR"
},
"distributor_check": {
"checked_at": "2026-10-31T12:23:49Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-26885-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPA4411MRTJR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "C1P",
"type": "passive",
"description": "Charge pump flying capacitor positive terminal."
},
{
"number": "2",
"name": "PGND",
"type": "power_in",
"description": "Power ground, connect to ground."
},
{
"number": "3",
"name": "C1N",
"type": "passive",
"description": "Charge pump flying capacitor negative terminal."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "5",
"name": "PVSS",
"type": "power_out",
"description": "Output from charge pump (negative supply rail)."
},
{
"number": "6",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "7",
"name": "SVSS",
"type": "power_in",
"description": "Amplifier negative supply, connect to PVSS via star connection."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "9",
"name": "OUTL",
"type": "output",
"description": "Left audio channel output signal."
},
{
"number": "10",
"name": "SVDD",
"type": "power_in",
"description": "Amplifier positive supply, connect to PVDD via star connection."
},
{
"number": "11",
"name": "OUTR",
"type": "output",
"description": "Right audio channel output signal."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "13",
"name": "INL",
"type": "input",
"description": "Left audio channel input signal."
},
{
"number": "14",
"name": "SDR",
"type": "input",
"description": "Right channel shutdown, active low logic (VIH min 1.5 V, VIL max 0.5 V)."
},
{
"number": "15",
"name": "INR",
"type": "input",
"description": "Right audio channel input signal."
},
{
"number": "16",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "17",
"name": "SGND",
"type": "power_in",
"description": "Signal ground, connect to ground; route separately from PGND back to the decoupling capacitor."
},
{
"number": "18",
"name": "SDL",
"type": "input",
"description": "Left channel shutdown, active low logic (VIH min 1.5 V, VIL max 0.5 V)."
},
{
"number": "19",
"name": "PVDD",
"type": "power_in",
"description": "Supply voltage, connect to positive supply (1.8 V to 4.5 V)."
},
{
"number": "20",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad must be soldered to a floating PCB plane; do not connect to power or ground since it is connected internally to PVSS."
}
],
"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: Exposed pad has no pin number in the datasheet; assigned '21' by convention. Type chosen as passive ; Pin I/O types for C1P/C1N were listed as I/O (flying capacitor terminals); mapped to passive. SVSS/S"
],
"pages_sent": 8,
"cost_usd": 0.0905,
"at": "2026-10-31T12:23:35"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/tpa4411mrtjr.pdf",
"pages": 38,
"sha256": "904ad318703402a3",
"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": "tpa4411mrtjr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tpa4411mrtjr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "593b9b1a443adc8066612d120d5272c84ea5bbb9e8be40be02878b49dab2eb86",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "RTJ0020D",
"source_page": 32,
"D": {
"nom_mm": 4,
"range_mm": [
3.9,
4.1
]
},
"E1": {
"nom_mm": 4,
"range_mm": [
3.9,
4.1
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.8,
"range_mm": [
null,
0.8
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "tpa4411mrtjr.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "QFN-20-EP(4x4)",
"Category": "Operational Amplifier/Comparator",
"Pins": "21"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "904ad318703402a3171c684172eb00c188e822d3d04f70227716cb041177ac50",
"rows": [
{
"name": "Supply voltage",
"symbol": "AVDD, PVDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "-0.3 V to VDD + 0.3 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating free-air temperature range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating junction temperature range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Lead temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "1,6 mm (1/16 inch) from case for 10 seconds",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "AVDD, PVDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 4.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High-level input voltage SDL, SDR",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 1.5,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level input voltage SDL, SDR",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating free-air temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output offset voltage",
"symbol": "|VOS|",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 8,
"conditions": "VDD = 1.8 V to 4.5 V, Inputs grounded",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Power Supply Rejection Ratio",
"symbol": "PSRR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": -80,
"max": -69,
"conditions": "VDD = 1.8 V to 4.5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High-level input current (SDL, SDR)",
"symbol": "|IIH|",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VDD = 4.5 V, VI = VDD",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level input current (SDL, SDR)",
"symbol": "|IIL|",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VDD = 4.5 V, VI = 0 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5.3,
"max": 6.5,
"conditions": "VDD = 1.8 V, No load, SDL = SDR = VDD",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 6.5,
"max": 8,
"conditions": "VDD = 3 V, No load, SDL = SDR = VDD",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 8,
"max": 10,
"conditions": "VDD = 4.5 V, No load, SDL = SDR = VDD",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply current, shutdown",
"symbol": "IDD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "Shutdown mode, VDD = 1.8 V to 4.5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Closed-loop voltage gain",
"symbol": "Av",
"kind": "electrical",
"unit": "V/V",
"min": -1.55,
"typ": -1.5,
"max": -1.45,
"conditions": "VDD = 3 V, TA = 25°C, RL = 16 Ω",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Charge pump switching frequency",
"symbol": "fosc",
"kind": "electrical",
"unit": "kHz",
"min": 280,
"typ": 320,
"max": 420,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input impedance",
"symbol": "",
"kind": "electrical",
"unit": "kΩ",
"min": 12,
"typ": 15,
"max": 18,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal shutdown threshold",
"symbol": "",
"kind": "electrical",
"unit": "°C",
"min": 150,
"typ": 170,
"max": null,
"conditions": "Threshold",
"source_page": 5,
"source": "datasheet"
},
{
"name": "High-level output voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 2.2,
"max": null,
"conditions": "VDD = 3 V, RL = 16 Ω",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low-level output voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": -1.1,
"max": null,
"conditions": "VDD = 3 V, RL = 16 Ω",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output power (outputs in phase)",
"symbol": "PO",
"kind": "electrical",
"unit": "mW",
"min": null,
"typ": 50,
"max": null,
"conditions": "THD = 1%, VDD = 3 V, f = 1 kHz",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output power (outputs in phase)",
"symbol": "PO",
"kind": "electrical",
"unit": "mW",
"min": null,
"typ": 100,
"max": null,
"conditions": "THD = 1%, VDD = 4.5 V, f = 1 kHz",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gain matching",
"symbol": "ΔAv",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 1,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal shutdown hysteresis",
"symbol": "",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 15,
"max": null,
"conditions": "Hysteresis",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Start-up time from shutdown",
"symbol": "",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": 450,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Maximum power dissipation (TPA4411M RTJ)",
"symbol": "",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 3450,
"conditions": "TA ≤ 25°C, derating factor 34.5 mW/°C",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tpa4411mrtjr"
],
"discovery_pitch": "TPA4411MRTJR (Texas Instruments) 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",
"tpa4411mrtjr.kicad_sym",
"tpa4411mrtjr.kicad_mod",
"tpa4411mrtjr.glb",
"tpa4411mrtjr.step",
"tpa4411mrtjr.lbr",
"docs/hero.png",
"docs/tpa4411mrtjr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tpa4411mrtjr-hero.glb",
"tpa4411mrtjr-hero.overlay.json",
"tpa4411mrtjr-etched.glb"
],
"visibility": {
"public": true
}
}