PAM8406DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "pam8406dr",
  "title": "PAM8406DR",
  "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",
    "pam8406dr"
  ],
  "component": {
    "mpn": "PAM8406DR",
    "manufacturer": "Diodes Incorporated",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://www.diodes.com/assets/Datasheets/PAM8406DR.pdf",
    "parts": {
      "symbol": "pam8406dr.kicad_sym",
      "footprint": "pam8406dr.kicad_mod",
      "model_3d": "pam8406dr-etched.glb",
      "model_3d_plain": "pam8406dr.glb",
      "model_3d_step": "pam8406dr-etched.step",
      "model_3d_step_plain": "pam8406dr.step",
      "lbr": "pam8406dr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "+OUT_L",
        "type": "output",
        "description": "Left channel positive (non-inverting) speaker output from the BTL power stage. Drives one terminal of the left speaker load (2Ω/4Ω/8Ω) in Class-D or Class-AB mode."
      },
      {
        "number": "2",
        "name": "PGNDL",
        "type": "power_in",
        "description": "Power ground return for the left channel Class-D/AB output stage. Should be tied to the main system ground plane with low-impedance routing."
      },
      {
        "number": "3",
        "name": "-OUT_L",
        "type": "output",
        "description": "Left channel negative (inverting) speaker output from the BTL power stage. Second terminal of the left speaker load, differential with +OUT_L."
      },
      {
        "number": "4",
        "name": "PVDDL",
        "type": "power_in",
        "description": "Power supply input for the left channel output stage (2.5V-5.5V). Bypass locally with ceramic capacitors close to the pin."
      },
      {
        "number": "5",
        "name": "MUTE",
        "type": "input",
        "description": "Active-low mute control input. Drive low to mute both channels; drive high (VIH ≥ 1.4V) for normal operation. VIL ≤ 0.4V at VDD = 5.0V."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Analog VDD supply for the internal small-signal circuitry (2.5V-5.5V). Bypass to GND with a low-ESR ceramic capacitor."
      },
      {
        "number": "7",
        "name": "INL",
        "type": "input",
        "description": "Left channel single-ended audio input. AC-coupled through an external input capacitor to set the high-pass corner; internally biased to VDD/2."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "passive",
        "description": "Internal analog reference (mid-supply bias) output. Connect a bypass capacitor from VREF to GND for PSRR and low-noise operation."
      },
      {
        "number": "9",
        "name": "MODE",
        "type": "input",
        "description": "Output mode select. Logic high (≥1.4V) selects Class-D filterless output; logic low (≤0.4V) selects Class-AB output."
      },
      {
        "number": "10",
        "name": "INR",
        "type": "input",
        "description": "Right channel single-ended audio input. AC-coupled through an external input capacitor to set the high-pass corner; internally biased to VDD/2."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground return for the small-signal front end and reference circuitry. Tie to the system ground plane."
      },
      {
        "number": "12",
        "name": "SHDN",
        "type": "input",
        "description": "Active-low shutdown control. Drive low to place the device in low-current shutdown (ISD < 1µA); drive high (≥1.4V) to enable. VIL ≤ 0.4V at VDD = 5.0V."
      },
      {
        "number": "13",
        "name": "PVDDR",
        "type": "power_in",
        "description": "Power supply input for the right channel output stage (2.5V-5.5V). Bypass locally with ceramic capacitors close to the pin."
      },
      {
        "number": "14",
        "name": "-OUT_R",
        "type": "output",
        "description": "Right channel negative (inverting) speaker output from the BTL power stage. Second terminal of the right speaker load, differential with +OUT_R."
      },
      {
        "number": "15",
        "name": "PGNDR",
        "type": "power_in",
        "description": "Power ground return for the right channel Class-D/AB output stage. Tie to the main system ground plane with low-impedance routing."
      },
      {
        "number": "16",
        "name": "+OUT_R",
        "type": "output",
        "description": "Right channel positive (non-inverting) speaker output from the BTL power stage. Drives one terminal of the right speaker load (2Ω/4Ω/8Ω) in Class-D or Class-AB mode."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/PAM8406DR.pdf",
        "pages": 13,
        "sha256": "45fdb7cfce8744ac",
        "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": [
      {
        "file": "pam8406dr.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": "pam8406dr-etched.step",
        "role": "eda",
        "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": "50c0c89904fc5cc438f8782b6a8f93786e89398d01735b264ef3c5364a880b7b",
        "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": [
    "pam8406dr"
  ],
  "discovery_pitch": "PAM8406DR (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",
    "pam8406dr.kicad_sym",
    "pam8406dr.kicad_mod",
    "pam8406dr.glb",
    "pam8406dr.step",
    "pam8406dr.lbr",
    "docs/hero.png",
    "docs/pam8406dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pam8406dr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "PAM8406DR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T04:05:46.934Z"
}