Install this component

Paste this into Claude Code (VS Code panel, Adom editor, or terminal) to install:

Search the Adom Wiki for the library component "PAM8403" (slug: pam8403) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/libraries/pam8403. Pull down the KiCad symbol, footprint, and 3D model files from the wiki page's assets. Install them into my current KiCad project and register in sym-lib-table and fp-lib-table. If the page has a datasheet URL, save that too.
Manufacturer Diodes Incorporated
Package SOP-16
Pins 16 pins (Channel L, Channel R, Control, Power)
LCSC C19560
Supply 2.5V-5.5V
Output Power 3W per channel @ 4Ω
THD+N 0.1% @ 1kHz
Channels 2 (stereo)

Library View

Interactive symbol, footprint, and 3D model — hover pins for cross-highlighting.

SymbolGenerated Generated from pin data (KiCad symbol Amplifier_Audio/PAM8403D is multi-unit)
FootprintKiCad KiCad standard library: Package_SO/SOIC-16_3.9x9.9mm_P1.27mm
3DGenerated Generated pad visualization (Babylon.js)

Breakout Board

Auto-generated breakout molecule for PAM8403 — all pins brought to 2mm-pitch headers with 4 corner machine pins on 8mm grid.

Pricing & Availability

Specifications

Supply2.5V-5.5V
Output Power3W per channel @ 4Ω
THD+N0.1% @ 1kHz
Channels2 (stereo)
ClassD (filterless)
PackageSOP-16

Pin Configuration

Channel LChannel RControlPower
PinNameGroupFunction
Channel L — Left channel input and output
11INLChannel LLeft channel input
12NCChannel LNo connection
14OUTL+Channel LLeft channel positive output
15PVDDChannel LPower supply
Channel R — Right channel input and output
2PVDDChannel RPower supply (2.5V-5.5V)
3OUTR+Channel RRight channel positive output
5MUTEChannel RMute control (low=mute)
6NCChannel RNo connection
Control — Mute and shutdown
10VREFControlReference voltage bypass
16OUTL-ControlLeft channel negative output
Power — Supply, bypass, and ground
1OUTR-PowerRight channel negative output
4GNDPowerGround
7NCPowerNo connection
8NCPowerNo connection
9INRPowerRight channel input
13GNDPowerGround

AI Skill Technical Reference

Edit AI Skill

PAM8403 — 3W class-D stereo audio amplifier, filterless, SOP-16

Manufacturer: Diodes Incorporated Package: SOP-16 LCSC: C19560

Description

The PAM8403 is a 3W per channel filterless class-D stereo audio amplifier from Diodes Inc. Operates from 2.5V to 5.5V with 90% efficiency. Extremely popular in Bluetooth speaker modules and portable audio.

Electrical Specifications

  • Supply: 2.5V-5.5V
  • Output Power: 3W per channel @ 4Ω
  • THD+N: 0.1% @ 1kHz
  • Channels: 2 (stereo)
  • Class: D (filterless)
  • Package: SOP-16

Pin Configuration

Package: SOP-16

  • Pin 1: OUTR- — Right channel negative output
  • Pin 2: PVDD — Power supply (2.5V-5.5V)
  • Pin 3: OUTR+ — Right channel positive output
  • Pin 4: GND — Ground
  • Pin 5: MUTE — Mute control (low=mute)
  • Pin 6: NC — No connection
  • Pin 7: NC — No connection
  • Pin 8: NC — No connection
  • Pin 9: INR — Right channel input
  • Pin 10: VREF — Reference voltage bypass
  • Pin 11: INL — Left channel input
  • Pin 12: NC — No connection
  • Pin 13: GND — Ground
  • Pin 14: OUTL+ — Left channel positive output
  • Pin 15: PVDD — Power supply
  • Pin 16: OUTL- — Left channel negative output

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0 revisions · Updated 2026-03-02 17:31:36