3 W per channel into 3 Ω — what that means on the bench
The TPA2008D2PWPR delivers 3 W per channel into a 3 Ω load from a 5 V supply. That's a realistic output for battery-powered speakers, portable docks, or any application where the total BOM needs to stay compact and the heat sink is the PCB copper itself.
Supply rails and thermal envelope
The part includes depop circuitry to suppress the click and pop on startup and shutdown, plus differential inputs that reject ground noise in long signal runs. Short-circuit and thermal protection are on-die — no external clamp diodes or fuse needed.
Does it need an external output filter?
The TPA2008D2PWPR is a filterless Class D design. It uses a modulation scheme that keeps the switching energy above the audio band, so a simple ferrite bead and capacitor on each output is enough to pass radiated emissions — no bulky LC filter. That saves board space and cost, but the layout still matters: keep the output traces short and the bypass caps close to the supply pins.
Active production — sourcing reality
Sourced through authorized distribution; availability and current pricing confirmed at RFQ against your BOM quantity.