IRAUDAMP22: 50W ~ 100W x2 @ 2Ω, ±12 ~ ±19V in

The IRAUDAMP22 reference design is a two-channel, 50W/ch (2Ω/±13.5V; no heatsink)/ 100W/ch (2Ω/±19V; *with heatsink) half-bridge Class D audio power amplifier. This reference design demonstrates how to use the IR4322 IC, implement protection circuits, and design an optimum PCB layout using PowIRaudio integrated Class D IC. This reference design does not require additional heatsink or fan cooling for normal operation (one-eighth of continuous rated power).

The reference design provides all the required housekeeping power supplies for ease of use. The two-channel design is scalable for power and the number of channels.