LM4871MM

{
  "slug": "lm4871mm",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Amplifiers, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm4871mm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lm4871mm.kicad_sym",
    "lm4871mm.kicad_mod",
    "lm4871mm.glb",
    "lm4871mm.step",
    "lm4871mm.lbr",
    "docs/hero.png",
    "docs/lm4871mm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4871mm-hero.glb",
    "lm4871mm-hero.overlay.json"
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  "component": {
    "mpn": "LM4871MM",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4871",
    "parts": {
      "symbol": "lm4871mm.kicad_sym",
      "footprint": "lm4871mm.kicad_mod",
      "model_3d": "lm4871mm-hero.glb",
      "model_3d_plain": "lm4871mm.glb",
      "model_3d_step": "lm4871mm-etched.step",
      "model_3d_step_plain": "lm4871mm.step",
      "lbr": "lm4871mm.lbr"
    },
    "distributor_links": {
      "lcsc": "C2860744",
      "digikey": "LM4871MMTR-ND",
      "mouser": "926-LM4871MM"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T02:13:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM4871MMTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM4871MM",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Shutdown control that turns off the amplifier bias circuitry when a logic high (VDD) is applied, giving 0.6µA typical shutdown current; it must be tied to a definite voltage."
      },
      {
        "number": "2",
        "name": "BYPASS",
        "type": "passive",
        "description": "Half-supply bypass node that connects to an external capacitor CB (1.0µF recommended) to ground for PSRR and turn-on click and pop performance."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting amplifier input."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting amplifier input that sets the closed-loop gain through Ri and Rf, where AVD = 2*(Rf/Ri)."
      },
      {
        "number": "5",
        "name": "Vo1",
        "type": "output",
        "description": "Bridged amplifier output 1, driving one side of the load, 180° out of phase with Vo2."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input for a supply range of 2.0V to 5.5V (absolute maximum 6.0V), which needs a bypass capacitor placed close to the pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "8",
        "name": "Vo2",
        "type": "output",
        "description": "Bridged amplifier output 2, driving the other side of the load, 180° out of phase with Vo1."
      }
    ],
    "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+vision",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text does not describe the BYPASS pin type directly. I classified it as passive becaus",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
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        "cost_usd": 0.6225,
        "at": "2026-10-08T02:13:28"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4871",
        "pages": 30,
        "sha256": "53dd6f523163b7af",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "checked": "2026-10-08",
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  }
}