LM4861N

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  "slug": "lm4861n",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Audio Amplifiers, DIP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "LM4861N",
    "manufacturer": "HGSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
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    "distributor_links": {
      "lcsc": "C47411556"
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    "distributor_check": {
      "checked_at": "2026-10-21T17:10:02Z",
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      "digikey": {
        "pn": null,
        "status": "quota"
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    "pins": [
      {
        "number": "1",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Shutdown control that turns off the bias circuitry when a logic high (VDD) is applied and enables the amplifier when tied to GND, and it must not be left floating."
      },
      {
        "number": "2",
        "name": "BYPASS",
        "type": "passive",
        "description": "Half-supply (VDD/2) bypass pin that connects to an external bypass capacitor CB for half-supply filtering."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the first amplifier."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the first amplifier, where the gain is set by Rf and Ri with Avd = 2*(Rf/Ri)."
      },
      {
        "number": "5",
        "name": "Vo1",
        "type": "output",
        "description": "Output of the first amplifier, which drives one side of the bridged load."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, with an operating range of 2.5V to 5.5V and a 6.0V absolute maximum, which needs a bypass capacitor CS close to the pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "8",
        "name": "Vo2",
        "type": "output",
        "description": "Output of the second amplifier, which is internally fixed at unity-gain inverting and drives the other side of the bridged load 180° out of phase with Vo1."
      }
    ],
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        "total": 8,
        "described": 8,
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