Converting to Class D designs promises higher output power within the same system volume or miniaturization at existing power levels—both desirable for automotive audio and infotainment applications.

Different Forms of Class D Amplification Though we may think that “digital” means all the circuits in a digital amplifier work in on/off pulses, in fact there are a number of different types, ...

ISSCC: Class-D audio amplifier voltage-boosts its own output ISSCC, the International Solid-state circuits conference, is the IEEE’s annual showcase for all that is best in on-chip circuit design from ...

Class-D audio amplifiers represent a significant advancement in modern audio engineering by utilising high-frequency pulse modulation to drive output stages with exceptional efficiency. Unlike ...

GaN Systems’ bundles a GaN-based audio amplifier and power supply to promote the development of GaN in Class D audio products. The GeN2 reference design enables engineers to realize the benefits of ...

However, there are some intricate topology-related drawbacks associated with Class D amplifiers. One such drawback is the increased distortion that Class D IC amplifier designers need to overcome.

Class D amplifiers are superior to their predecessors in many ways, but none of them matter to music fans unless they sound good, too.

The DDFA architecture employs a fast and highly accurate digital feedback loop to create a Class-D audio switching amplifier that sets new standards in digital amplifier sound quality.