Cirrus Logic

Cirrus Logic makes the kind of chips that disappear into phones, headsets, and other compact electronics, where audio and signal processing have to be handled in very little space. By our assessment, it is strong at that specialized job: audio codecs, power management, and mixed-signal parts are the sort of unsung plumbing modern devices need. The downside is narrowness; this is not a broad consumer brand, and most people only meet its work indirectly inside someone else’s product. In practice that means the company matters more to hardware engineers and device makers than to shoppers. It sits in the middle of the semiconductor world rather than at the shiny edge of finished gadgets. The US listing fits a maker whose influence is real but mostly hidden under the lid of the device.