main
Ray Set visibility: public 860072f 12d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm386d",
  "title": "LM386D",
  "brief": "HTC Korea TAEJIN Tech Audio Amplifiers, SOP-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",
    "lm386d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM386D",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906705225207808",
    "parts": {
      "symbol": "lm386d.kicad_sym",
      "footprint": "lm386d.kicad_mod",
      "model_3d": "lm386d-hero.glb",
      "model_3d_plain": "lm386d-etched.glb",
      "model_3d_step": "lm386d-etched.step",
      "model_3d_step_plain": "lm386d.step",
      "lbr": "lm386d.lbr"
    },
    "distributor_links": {
      "lcsc": "C510560"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T23:57:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GAIN",
        "type": "passive",
        "description": "Gain-setting pin; an external resistor and capacitor between pins 1 and 8 raise the voltage gain from the internal 20 up to 200."
      },
      {
        "number": "2",
        "name": "INPUT (-)",
        "type": "input",
        "description": "Inverting input; the inputs are ground referenced and the input bias current is 250 nA typical with pins 2 and 3 open."
      },
      {
        "number": "3",
        "name": "INPUT (+)",
        "type": "input",
        "description": "Noninverting input; the inputs are ground referenced and the input resistance is 120 kΩ typical."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "output",
        "description": "Amplifier output, automatically biased to one half the supply voltage, able to drive loads from 4 Ω to 32 Ω."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; recommended operating range is 4 V to 12 V, with absolute maximum 15 V."
      },
      {
        "number": "7",
        "name": "BYPASS",
        "type": "passive",
        "description": "Bypass decoupling path for the internal bias node."
      },
      {
        "number": "8",
        "name": "GAIN",
        "type": "passive",
        "description": "Gain-setting pin; used together with pin 1 and an external resistor and capacitor to set the gain from 20 up to 200."
      }
    ],
    "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 PIN CONFIGURATION diagram on page 3 is garbled in the extracted text, so the pin positions were ; The datasheet gives no electrical limits for the BYPASS pin, and the type is inferred as passive fro"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0292,
        "at": "2026-10-16T23:57:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906705225207808",
        "pages": 8,
        "sha256": "0538f48990f528d8",
        "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": "lm386d.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": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm386d-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": "9992b28b3ebaa485e9b491c46eb0ddfe3761665d13f7f83fd7b0d936740e24f1",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "SOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0538f48990f528d87215da24ba91f5752158248c2fad92e9d66ba7d38ade86b0",
      "rows": [
        {
          "name": "Supply Voltage (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (recommended)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Free-Air Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VCC Operating Supply Voltage",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "IQ Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "VIN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Power",
          "symbol": "POUT",
          "kind": "electrical",
          "unit": "mW",
          "min": 250,
          "typ": 325,
          "max": null,
          "conditions": "VCC = 6V, THD = 10%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Power",
          "symbol": "POUT",
          "kind": "electrical",
          "unit": "mW",
          "min": 500,
          "typ": 700,
          "max": null,
          "conditions": "VCC = 9V, THD = 10%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage Gain",
          "symbol": "AV",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 26,
          "max": null,
          "conditions": "Pin 1 and Pin 8 Open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage Gain",
          "symbol": "AV",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 46,
          "max": null,
          "conditions": "10µF from Pin 1 to Pin 8",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Bandwidth",
          "symbol": "BW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "10µF from Pin 1 to Pin 8",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Bandwidth",
          "symbol": "BW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "Pin 1 and Pin 8 Open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Total Harmonic Distortion",
          "symbol": "THD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "POUT = 125mW, Pin 1 and Pin 8 Open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IBIAS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "Pin 2 and Pin 3 Open",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm386d"
  ],
  "discovery_pitch": "LM386D (HTC Korea TAEJIN 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",
    "lm386d.kicad_sym",
    "lm386d.kicad_mod",
    "lm386d.glb",
    "lm386d.step",
    "lm386d.lbr",
    "docs/hero.png",
    "docs/lm386d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm386d-hero.glb",
    "lm386d-hero.overlay.json",
    "lm386d-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}