{
  "id": "pam8403-amp",
  "name": "PAM8403 stereo amplifier 2x3 W",
  "category": "output",
  "pins": [
    {
      "name": "5V",
      "role": "power",
      "notes": "Pin order varies between boards: match by the printed label. 2.5 to 5.5 V. Use VIN (5 V) for full volume"
    },
    {
      "name": "GND",
      "role": "ground",
      "notes": "Also the audio input ground"
    },
    {
      "name": "L",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Left audio in. ESP32 DAC GPIO 25 or 26 works; the module has input capacitors"
    },
    {
      "name": "R",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Right audio in"
    },
    {
      "name": "L+",
      "role": "passive",
      "notes": "Left speaker +"
    },
    {
      "name": "L-",
      "role": "passive",
      "notes": "Left speaker -. Bridged output: never connect to GND"
    },
    {
      "name": "R+",
      "role": "passive",
      "notes": "Right speaker +"
    },
    {
      "name": "R-",
      "role": "passive",
      "notes": "Right speaker -. Bridged output: never connect to GND"
    }
  ],
  "bus": "gpio",
  "voltage": "5",
  "model": {
    "shape": "breakout",
    "size": [
      21.3,
      18,
      3
    ],
    "color": "#2E8B57"
  },
  "keywords": [
    "pam8403",
    "amplifier",
    "class d",
    "stereo",
    "speaker",
    "amplificatore",
    "altoparlante"
  ],
  "sources": [
    {
      "title": "Diodes Inc. PAM8403 datasheet",
      "section": "Supply 2.5 to 5.5 V; bridge-tied (BTL) outputs, 3 W into 4 Ω"
    }
  ]
}