PAM8403DR-H

{
  "schema_version": 1,
  "type": "component",
  "slug": "pam8403dr-h",
  "title": "PAM8403DR-H",
  "brief": "Diodes Incorporated Audio Power OpAmps, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "pam8403dr-h"
  ],
  "component": {
    "mpn": "PAM8403DR-H",
    "manufacturer": "Diodes Incorporated",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://www.diodes.com/assets/Datasheets/PAM8403DR-H.pdf",
    "parts": {
      "symbol": "pam8403dr-h.kicad_sym",
      "footprint": "pam8403dr-h.kicad_mod",
      "model_3d": "pam8403dr-h-etched.glb",
      "model_3d_plain": "pam8403dr-h.glb",
      "model_3d_step": "pam8403dr-h-etched.step",
      "model_3d_step_plain": "pam8403dr-h.step",
      "lbr": "pam8403dr-h.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "+OUT_L",
        "type": "output",
        "description": "Left channel positive Class-D bridge output. Drives one terminal of the left speaker directly (filterless BTL output)."
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return for the left-channel Class-D output stage. Should be tied to the system ground plane with low-impedance routing."
      },
      {
        "number": "3",
        "name": "-OUT_L",
        "type": "output",
        "description": "Left channel negative Class-D bridge output. Drives the opposite terminal of the left speaker (BTL pair with +OUT_L)."
      },
      {
        "number": "4",
        "name": "PVDD",
        "type": "power_in",
        "description": "Power supply input for the left-channel Class-D output stage. 2.5V to 5.5V, absolute max 6.0V. Bypass locally with a bulk capacitor (typ. 470 uF) and a 0.1 uF ceramic."
      },
      {
        "number": "5",
        "name": "MUTE",
        "type": "input",
        "description": "Mute control input, active low. Drive high (VIH >= 1.5V) for normal operation; drive low (VIL <= 0.4V) to mute both channels. Muting current typ. 3.5 mA when VMUTE = 0.3V."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Analog supply input for the internal signal-path circuitry. 2.5V to 5.5V, tied to the same rail as PVDD in typical applications; bypass with a 1 uF ceramic to GND."
      },
      {
        "number": "7",
        "name": "INL",
        "type": "input",
        "description": "Left-channel single-ended analog audio input. AC-coupled through an input capacitor (typ. 0.47 uF) from the source. Closed-loop gain is typ. 24 dB."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "passive",
        "description": "Internal analog reference (mid-supply bias). Connect a bypass capacitor (typ. 0.1 uF-1 uF) from this pin to GND; do not load externally."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to GND for mechanical support; do not use for signal routing."
      },
      {
        "number": "10",
        "name": "INR",
        "type": "input",
        "description": "Right-channel single-ended analog audio input. AC-coupled through an input capacitor (typ. 0.47 uF) from the source. Closed-loop gain is typ. 24 dB."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground reference for the signal-path circuitry. Connect to the system ground plane; keep separate from the PGND return path back to the star point."
      },
      {
        "number": "12",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown control input, active low. Drive high (VIH >= 1.5V) to enable the device; drive low (VIL <= 0.4V) to enter shutdown (ISD < 1 uA typ.)."
      },
      {
        "number": "13",
        "name": "PVDD",
        "type": "power_in",
        "description": "Power supply input for the right-channel Class-D output stage. 2.5V to 5.5V, absolute max 6.0V. Bypass locally with a bulk capacitor (typ. 470 uF) and a 0.1 uF ceramic."
      },
      {
        "number": "14",
        "name": "-OUT_R",
        "type": "output",
        "description": "Right channel negative Class-D bridge output. Drives one terminal of the right speaker directly (filterless BTL output)."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return for the right-channel Class-D output stage. Should be tied to the system ground plane with low-impedance routing."
      },
      {
        "number": "16",
        "name": "+OUT_R",
        "type": "output",
        "description": "Right channel positive Class-D bridge output. Drives the opposite terminal of the right speaker (BTL pair with -OUT_R)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/PAM8403DR-H.pdf",
        "pages": 11,
        "sha256": "9d853d04cace827e",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
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        "file": "pam8403dr-h.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pam8403dr-h-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d4810991b350ae3f35a9b4df30dcf4d441490925b84a2a64b7bd3d5df622f7e3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOIC-16",
      "Category": "Op-amp/Cmp",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "pam8403dr-h"
  ],
  "discovery_pitch": "PAM8403DR-H (Diodes Incorporated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pam8403dr-h.kicad_sym",
    "pam8403dr-h.kicad_mod",
    "pam8403dr-h.glb",
    "pam8403dr-h.step",
    "pam8403dr-h.lbr",
    "docs/hero.png",
    "docs/pam8403dr-h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pam8403dr-h-etched.step"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "PAM8403DR-H",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T04:05:38.396Z"
}