NS4110B

{
  "schema_version": 1,
  "type": "component",
  "slug": "ns4110b",
  "title": "NS4110B",
  "brief": "Shenzhen Nsiway Tech Audio Amplifiers, eSOP-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": [
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    "amplifiers-comparators",
    "ns4110b",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "NS4110B",
    "manufacturer": "Shenzhen Nsiway Tech",
    "package": "eSOP-8",
    "pin_count": 9,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839205020311552",
    "parts": {
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      "model_3d_step": "ns4110b-etched.step",
      "model_3d_step_plain": "ns4110b.step",
      "lbr": "ns4110b.lbr"
    },
    "distributor_links": {
      "lcsc": "C5334145"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T00:17:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CTRL",
        "type": "input",
        "description": "Mode control pin: below 0.5 V the amplifier is in low-power shutdown, 0.9 V to 1.5 V selects Class AB, and 2 V to 5 V selects Class D (absolute maximum CTRL voltage 0 V to 5 V)."
      },
      {
        "number": "2",
        "name": "BYPASS",
        "type": "passive",
        "description": "Connection for an external decoupling capacitor on the internal reference voltage."
      },
      {
        "number": "3",
        "name": "INP",
        "type": "input",
        "description": "Positive amplifier input; the voltage gain is set by the external input resistor Ri, with Av = 300k/Ri and the internal 300k feedback resistor specified to ±10%."
      },
      {
        "number": "4",
        "name": "INN",
        "type": "input",
        "description": "Negative amplifier input; the voltage gain is set by the external input resistor Ri, with Av = 300k/Ri and the internal 300k feedback resistor specified to ±10%."
      },
      {
        "number": "5",
        "name": "VON",
        "type": "output",
        "description": "Negative output terminal of the speaker driver, which connects to the load together with VOP."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input; the recommended operating voltage is 6 V to 14 V (12 V typical) and the absolute maximum input range is 6 V to 14 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for the device."
      },
      {
        "number": "8",
        "name": "VOP",
        "type": "output",
        "description": "Positive output terminal of the speaker driver, which connects to the load together with VON."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "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": [
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          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0315,
        "at": "2026-10-17T00:14:32"
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        "sha256": "5fcb6e6f2ee73dfa",
        "source_tier": "lcsc"
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      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen Nsiway Tech",
      "Package": "eSOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "9"
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    "characteristics": {
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        {
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          "name": "Maximum junction temperature",
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          "name": "Soldering temperature",
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        {
          "name": "Internal feedback resistor tolerance",
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        {
          "name": "Shutdown leakage current",
          "symbol": "ISD",
          "kind": "electrical",
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          "typ": 0.1,
          "max": 1,
          "conditions": "VCTRL = 0V",
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          "source": "datasheet"
        },
        {
          "name": "Class D mode CTRL voltage threshold",
          "symbol": "VClassD",
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        {
          "name": "Class AB mode CTRL voltage threshold",
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          "min": 0.9,
          "typ": 1.2,
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          "conditions": "",
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        {
          "name": "Shutdown mode CTRL voltage threshold",
          "symbol": "VSD",
          "kind": "electrical",
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          "min": 0,
          "typ": 0.2,
          "max": 0.5,
          "conditions": "",
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        },
        {
          "name": "Internal feedback resistor",
          "symbol": "",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
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        {
          "name": "Quiescent current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "VDD=9V, CLASS AB",
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        {
          "name": "Quiescent current",
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        {
          "name": "Output offset voltage",
          "symbol": "VOS",
          "kind": "electrical",
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          "conditions": "VIN=0V, Gain=20dB",
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        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
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          "min": null,
          "typ": -85,
          "max": null,
          "conditions": "217Hz",
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        {
          "name": "Power supply rejection ratio",
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          "kind": "electrical",
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          "min": null,
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          "conditions": "20kHz",
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        {
          "name": "Common-mode rejection ratio",
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          "min": null,
          "typ": -80,
          "max": null,
          "conditions": "",
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        {
          "name": "Modulation frequency",
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          "name": "Efficiency",
          "symbol": "η",
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          "min": null,
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          "max": null,
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          "name": "Efficiency",
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          "kind": "electrical",
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          "name": "Mode switching time",
          "symbol": "tMOD",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "",
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        {
          "name": "Total harmonic distortion plus noise",
          "symbol": "THD+N",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.03,
          "max": null,
          "conditions": "Gain=20dB, f=1kHz, RL=8Ω, PO=1W",
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        {
          "name": "Signal-to-noise ratio",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -92,
          "max": null,
          "conditions": "Gain=20dB, f=1kHz, RL=8Ω, VDD=12V, PO=10W",
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        {
          "name": "Overtemperature protection threshold",
          "symbol": "OTP",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 160,
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        {
          "name": "Overtemperature hysteresis",
          "symbol": "OTH",
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          "name": "Output power",
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