GPUs Get the Headlines. Analog Devices Just Got the Record Quarter.

GPUs and high-bandwidth memory grab every AI headline, but every AI server rack is a monument to analog chips — power-management ICs, data converters, and signal-conditioning parts that keep the silicon alive and talking. Analog Devices just proved that is where the AI money is now flowing, and it did it with a quarter that resets the conversation about who actually gets paid in the AI buildout.

ADI reported record fiscal third-quarter revenue of $4.0219 billion Wednesday morning, up 40% year over year from $2.88 billion a year ago. Adjusted earnings per share came in at $3.45, beating the $3.34 consensus by $0.11 and up 68% from $2.05 in the year-ago quarter. On a GAAP basis, EPS jumped 163% to $2.74, while GAAP operating income rose 97% to $1.61 billion.

The margin story was just as strong. Adjusted gross margin hit 72.5%, up 330 basis points year over year, and adjusted operating margin reached 50.0% — up a staggering 780 basis points, the kind of operating leverage that only shows up when the product mix tilts toward scarce, high-value parts. GAAP gross margin came in at 67.3%. Margin expansion of this magnitude typically takes years; ADI delivered it in one.

Inside the quarter, the AI thesis is written in the segment numbers. Communications revenue surged 84% to $654.5 million, making it the company's fastest-growing business — and that is exactly where AI data-center demand lands. Industrial revenue climbed 53% to $1.9719 billion and now accounts for 49% of total revenue. Automotive grew a steadier 16% to $998.2 million, and Consumer rose 6% to $397.2 million. Every end market grew, which is the definition of broad-based demand rather than a one-customer story. Together, the two AI-carrying businesses — Communications and Industrial — contributed roughly 65% of total revenue.

Guidance says the acceleration is not done. ADI guided fiscal Q4 revenue to $4.3 billion, plus or minus $100 million — a midpoint that blows past the $4.1 billion consensus, sets another record, and lands roughly 40% above last year's fourth quarter. Adjusted EPS guidance of $3.86, plus or minus $0.15, brackets the $3.53 consensus entirely to the upside. Even the low end of the revenue range would be another record.

The capital-return machine is running at full speed. ADI raised its quarterly dividend 11% to $1.10 a share, returned $1.7 billion to shareholders during the quarter, and $5.2 billion over the trailing twelve months. Free cash flow of $1.46 billion — 36% of revenue — keeps funding the buyback while the company continues spending on capacity and R&D.

CEO Vincent Roche framed the quarter in terms of a structural shift rather than a cyclical pop: "ADI delivered a strong third quarter, exceeding the midpoint of our revenue, margin, and earnings outlook as we capitalized on broad-based demand... our investments in these foundational areas, combined with the trust we have built over decades, provide a unique advantage to create, deliver, and capture value in the AI era – for customers and investors alike."

The read-through for investors is straightforward: the AI buildout is broadening from compute into the analog plumbing that makes compute possible. Every rack of accelerators needs dozens of power-management converters, precision data converters to move signals between the digital domain and the physical world, and signal-conditioning parts to keep everything inside spec. That is recurring, high-margin content that scales with every data center that comes online — which is why this quarter reads less like a cycle peak and more like an inflection point. The content per rack only grows from here: as data rates climb, so do the number of power domains, precision converters, and conditioning stages needed to keep signals clean — and ADI sits on every one of those interfaces.

The bottom line: the market spent two years paying for GPUs, and it is now paying for everything that surrounds them. ADI's record quarter and record guide show the analog winners of the AI era are getting paid in real earnings, not just narrative. This is the trade behind the trade — and it just printed.

Disclosure: The Signal holds no position in ADI. Positions may change. This is not financial advice.