PAM8302

{
  "schema_version": 1,
  "type": "component",
  "slug": "pam8302",
  "title": "PAM8302",
  "brief": "Diodes 2.5 W mono class-D audio amplifier, MSOP-8. Filterless, 2.0-5.5 V, shutdown pin. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifier",
    "audio-amplifier",
    "class-d",
    "speaker-driver",
    "msop-8",
    "diodes"
  ],
  "component": {
    "mpn": "PAM8302",
    "manufacturer": "Diodes Incorporated",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifier",
    "subcategory": "Class-D audio amplifier",
    "datasheet": "https://www.diodes.com/assets/Datasheets/PAM8302A.pdf",
    "parts": {
      "symbol": "pam8302.kicad_sym",
      "footprint": "pam8302.kicad_mod",
      "model_3d": "pam8302-etched.glb",
      "model_3d_plain": "pam8302.glb",
      "model_3d_step": "pam8302-etched.step",
      "model_3d_step_plain": "pam8302.step",
      "lbr": "pam8302.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SD",
        "type": "input",
        "description": "Active-low shutdown input. Drive low (VSL ≤ 0.4 V) to place the amplifier in shutdown (ISHDN ≤ 1 µA); drive high (VSH ≥ 1.2 V) for normal operation. Recommended to delay assertion ~10 ms after VDD rises for best pop performance."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to ground per PCB layout preference."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting analog audio input to the differential input amplifier. AC-couple through an input capacitor (typ. 0.1 µF) forming a high-pass filter with the internal 10 kΩ input impedance (RI). Closed-loop differential gain is 20·log(150 kΩ / (10 kΩ + RIN_ext)), max ≈ 23.5 dB."
      },
      {
        "number": "4",
        "name": "IN-",
        "type": "input",
        "description": "Inverting analog audio input to the differential input amplifier. AC-couple through an input capacitor (typ. 0.1 µF); internal RI = 10 kΩ, RF = 150 kΩ set the gain. Tie to ground through a coupling cap for single-ended input drive."
      },
      {
        "number": "5",
        "name": "VO+",
        "type": "output",
        "description": "Positive Class-D PWM speaker output (H-bridge side +). Drives one terminal of the bridge-tied-load speaker (4 Ω or 8 Ω typical). Delivers up to 2.5 W into 4 Ω at VDD = 5 V, THD+N = 10%. A ferrite bead + 220 pF RC filter to ground is recommended for EMI reduction on long speaker leads."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input, 2.0 V to 5.5 V. Decouple locally with a low-ESR 1.0 µF ceramic close to the pin and a 10 µF bulk capacitor. UVLO trips at ≈ 2.1 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return for supply, input bias, and output stages. Connect to a low-impedance ground plane."
      },
      {
        "number": "8",
        "name": "VO-",
        "type": "output",
        "description": "Negative Class-D PWM speaker output (H-bridge side −). Drives the second terminal of the bridge-tied-load speaker. A ferrite bead + 220 pF RC filter to ground is recommended for EMI reduction on long speaker leads."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/PAM8302A.pdf",
        "pages": 14,
        "sha256": "fb2ab762c31b5fd4",
        "source_tier": "mfr"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Type": "Mono class-D audio amplifier",
      "Output power": "2.5 W into 4 ohm (10% THD, 5 V)",
      "Supply": "2.0-5.5 V",
      "Efficiency": "~90%",
      "Output": "Filterless bridge-tied",
      "Gain": "Resistor-set (up to 24 dB)",
      "Shutdown": "SD pin",
      "Package": "MSOP-8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "pam8302",
    "class d audio amplifier",
    "mono speaker amp",
    "2.5w audio amp"
  ],
  "discovery_pitch": "Diodes PAM8302 2.5 W mono class-D audio amplifier (MSOP-8) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pam8302.kicad_sym",
    "pam8302.kicad_mod",
    "pam8302.glb",
    "pam8302.step",
    "pam8302.lbr",
    "docs/hero.png",
    "docs/pam8302-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pam8302-etched.step"
  ],
  "variants": [
    {
      "mpn": "PAM8302AADCR (MSOP-8)",
      "kind": "packaging"
    },
    {
      "mpn": "PAM8302AASCR (SO-8)",
      "kind": "packaging"
    }
  ]
}