main
Ray Set visibility: public cc14300 9d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541
{
  "schema_version": 1,
  "type": "component",
  "slug": "ln4990mm-g",
  "title": "LN4990MM-G",
  "brief": "NATLINEAR Audio Amplifiers, MSOP-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",
    "ln4990mm-g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LN4990MM-G",
    "manufacturer": "NATLINEAR",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590230754652422144",
    "parts": {
      "symbol": "ln4990mm-g.kicad_sym",
      "footprint": "ln4990mm-g.kicad_mod",
      "model_3d": "ln4990mm-g-hero.glb",
      "model_3d_plain": "ln4990mm-g-etched.glb",
      "model_3d_step": "ln4990mm-g-etched.step",
      "model_3d_step_plain": "ln4990mm-g.step",
      "lbr": "ln4990mm-g.lbr"
    },
    "distributor_links": {
      "lcsc": "C3008004"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:21:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Shutdown control input that puts the amplifier in a low-power state with shutdown current of 0.1µA typ. (2µA max), with high or low shutdown level user-selectable."
      },
      {
        "number": "2",
        "name": "BYPASS",
        "type": "passive",
        "description": "Bypass pin for the internal common-mode reference, used by the click-and-pop suppression circuitry."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the differential audio input."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the differential audio input, where an external resistor adjusts the gain."
      },
      {
        "number": "5",
        "name": "VO1",
        "type": "output",
        "description": "Bridge-tied-load amplifier output 1, driving the speaker with no output coupling capacitor needed."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply pin, operating range 2.2V to 5.5V (absolute maximum 6.0V)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "8",
        "name": "VO2",
        "type": "output",
        "description": "Bridge-tied-load amplifier output 2, driving the speaker with no output coupling capacitor needed."
      }
    ],
    "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 MSOP-8 pinout on page 2 is a scrambled text extraction. Pin numbers 1-8 and their labels were as; The datasheet lists the MSOP-8 orderable part as LN4990MM, not LN4990MM-G. The -G suffix is not stat; The datasheet does not describe the BYPASS pin function explicitly. The description is inferred from"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0396,
        "at": "2026-10-18T22:19:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590230754652422144",
        "pages": 9,
        "sha256": "59790730bc814438",
        "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": "ln4990mm-g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ln4990mm-g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1d5737cace6cc9d3ee6af984b282394ff240c1a93bb37f1ee8105ed07170ba5b",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NATLINEAR",
      "Package": "MSOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "59790730bc81443804fac45deac5a60174d899c3a16c4ad2a85b75040a22b210",
      "rows": [
        {
          "name": "Quiescent current, no load",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 7,
          "conditions": "VDD=5V; VIN = 0V, Io = 0A, No Load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, 8Ω load",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 10,
          "conditions": "VDD=5V; VIN = 0V, Io = 0A, 8Ω Load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 2,
          "conditions": "VDD=5V; V 0V SHUTDOWN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output offset voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 7,
          "max": 50,
          "conditions": "VDD=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output resistance to GND",
          "symbol": "ROUT-GND",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 7,
          "typ": 8.5,
          "max": 9.7,
          "conditions": "VDD=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output power, 8Ω",
          "symbol": "PO",
          "kind": "electrical",
          "unit": "W",
          "min": 0.9,
          "typ": 1.25,
          "max": null,
          "conditions": "VDD=5V; THD = 1% (max); f = 1 kHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Startup time",
          "symbol": "TWU",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 170,
          "max": 220,
          "conditions": "VDD=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "℃",
          "min": 150,
          "typ": 170,
          "max": 190,
          "conditions": "VDD=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio, f=217Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 55,
          "typ": 60,
          "max": null,
          "conditions": "VDD=5V; Vripple = 200mV sine p-p f=217Hz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, no load",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 7,
          "conditions": "VDD=3V; VIN = 0V, Io = 0A, No Load",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, 8Ω load",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 9,
          "conditions": "VDD=3V; VIN = 0V, Io = 0A, 8Ω Load",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 2,
          "conditions": "VDD=3V; V 0V SHUTDOWN",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output offset voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 7,
          "max": 50,
          "conditions": "VDD=3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output resistance to GND",
          "symbol": "ROUT-GND",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 7,
          "typ": 8.5,
          "max": 9.7,
          "conditions": "VDD=3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Startup time",
          "symbol": "TWU",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 100,
          "max": 150,
          "conditions": "VDD=3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "℃",
          "min": 150,
          "typ": 170,
          "max": 190,
          "conditions": "VDD=3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio, f=217Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 45,
          "typ": 62,
          "max": null,
          "conditions": "VDD=3V; Vripple = 200mV sine p-p, f=217Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output power, 8Ω",
          "symbol": "PO",
          "kind": "electrical",
          "unit": "W",
          "min": 0.3,
          "typ": null,
          "max": null,
          "conditions": "VDD=2.6V; THD = 1% (max); f = 1 kHz; 8Ω Load",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output power, 4Ω",
          "symbol": "PO",
          "kind": "electrical",
          "unit": "W",
          "min": 0.4,
          "typ": null,
          "max": null,
          "conditions": "VDD=2.6V; THD = 1% (max); f = 1 kHz; 4Ω Load",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "TMIN ≤ TA ≤ TMAX",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (absolute maximum)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VDD+0.3",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature (absolute maximum)",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD parameter",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ln4990mm-g"
  ],
  "discovery_pitch": "LN4990MM-G (NATLINEAR) 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",
    "ln4990mm-g.kicad_sym",
    "ln4990mm-g.kicad_mod",
    "ln4990mm-g.glb",
    "ln4990mm-g.step",
    "ln4990mm-g.lbr",
    "docs/hero.png",
    "docs/ln4990mm-g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ln4990mm-g-hero.glb",
    "ln4990mm-g-hero.overlay.json",
    "ln4990mm-g-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}