LM4860MX

{
  "slug": "lm4860mx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Amplifiers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm4860mx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4860mx.kicad_sym",
    "lm4860mx.kicad_mod",
    "lm4860mx.glb",
    "lm4860mx.step",
    "lm4860mx.lbr",
    "docs/hero.png",
    "docs/lm4860mx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4860mx-hero.glb",
    "lm4860mx-hero.overlay.json"
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  "component": {
    "mpn": "LM4860MX",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4860",
    "parts": {
      "symbol": "lm4860mx.kicad_sym",
      "footprint": "lm4860mx.kicad_mod",
      "model_3d": "lm4860mx-hero.glb",
      "model_3d_plain": "lm4860mx.glb",
      "model_3d_step": "lm4860mx-etched.step",
      "model_3d_step_plain": "lm4860mx.step",
      "lbr": "lm4860mx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2878036",
      "digikey": "LM4860MXTR-ND",
      "mouser": "926-LM4860MX"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T05:36:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM4860MXTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM4860MX",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."
      },
      {
        "number": "2",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Shutdown control input: logic high (supply voltage) turns off the amplifier bias for 0.6 µA typical current, ground enables it; must not be left floating and has an internal soft 47 kΩ pull-up."
      },
      {
        "number": "3",
        "name": "HP-SENSE",
        "type": "output",
        "description": "Headphone sense output that goes high when a headphone control input is high, can be tied to SHUTDOWN, and can drive about 2 mA into a logic gate input."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."
      },
      {
        "number": "5",
        "name": "BYPASS",
        "type": "passive",
        "description": "Half-supply (VDD/2) bypass pin for a bypass capacitor CB (typically 0.1 µF) to ground, providing half-supply filtering."
      },
      {
        "number": "6",
        "name": "HP-IN1",
        "type": "input",
        "description": "Headphone control input 1 that disables the amplifier and reduces IDD to under 1 mA when a logic high is applied."
      },
      {
        "number": "7",
        "name": "HP-IN2",
        "type": "input",
        "description": "Headphone control input 2 that disables the amplifier and reduces IDD to under 1 mA when a logic high is applied."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."
      },
      {
        "number": "10",
        "name": "Vo1",
        "type": "output",
        "description": "Amplifier 1 output, one side of the bridged load, biased at half-supply."
      },
      {
        "number": "11",
        "name": "GAIN-OUT",
        "type": "output",
        "description": "Output of the first amplifier used for the feedback resistor Rf and internal 40 kΩ input of the second amplifier."
      },
      {
        "number": "12",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply pin, operating range 2.7 V to 5.5 V, bypassed with CS (typically 0.1 µF)."
      },
      {
        "number": "13",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the first amplifier, connected through Ri to set gain with Rf."
      },
      {
        "number": "14",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the first amplifier, typically AC-coupled or tied to the bypass node."
      },
      {
        "number": "15",
        "name": "Vo2",
        "type": "output",
        "description": "Amplifier 2 output (unity-gain inverting), the other side of the bridged load, 180° out of phase with Vo1."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."
      }
    ],
    "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",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types and descriptions for BYPASS, GAIN-OUT, +IN were inferred from the Figure 1 schematic and t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 20,
        "cost_usd": 0.4497,
        "at": "2026-10-03T05:35:58"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4860",
        "pages": 20,
        "sha256": "e4d871c00cb92c3b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  }
}