Cirrus Logic
A fabless semiconductor company specializing in high-performance analog, mixed-signal, audio and audio-processing integrated circuits.
Last updated August 26, 2026
AI crawler reads
2requests
1companies- Anthropic2
- Profile
- 2
- Controversies
- 0
- JSON · MD
- 0
- First read
- Nov 4, 2026
- Latest read
- Nov 4, 2026
From this site's server log
Overview
Cirrus Logic is an American fabless semiconductor company headquartered in Austin, Texas. It designs integrated circuits rather than operating a large-scale semiconductor fabrication network, concentrating on analog, mixed-signal, audio and digital-signal-processing technologies. Its components are used in consumer electronics and other embedded systems, including smartphones, tablets, personal computers, digital headsets, home-theater equipment, smart speakers, automotive entertainment systems and selected industrial and aerospace applications. The company originated in Salt Lake City in 1981 as Patil Systems, founded by engineer and entrepreneur Suhas Patil. The business was reorganized in 1983 with the participation of Kamran Elahian and venture investor Fred Nazem, and adopted the Cirrus Logic name in 1984 as it moved to Silicon Valley and pursued opportunities in PC components. It became a Nasdaq-listed company in 1989 under the symbol CRUS. During its early years, Cirrus Logic developed a broad portfolio that included graphics controllers, audio converters, storage-related chips and other PC-oriented components. The acquisition of Crystal Semiconductor in 1991 was a major step in the company's development. Crystal brought expertise in analog and mixed-signal converter products, helping Cirrus Logic build a stronger position in audio and high-fidelity signal conversion. In the early 1990s, the company was also a significant supplier of low-cost PC graphics chipsets. Its Windows-oriented 2D accelerators were competitive in entry-level systems, although the company later lost ground to rivals as the market moved toward PCI-based graphics and increasingly sophisticated 3D acceleration. Cirrus eventually exited the graphics business, allowing it to focus resources on higher-value analog and mixed-signal markets. A strategic repositioning accelerated in the late 1990s and early 2000s under chief executive David D. French. Cirrus Logic divested or reduced exposure to businesses such as PC graphics, modems, wireless networking and magnetic-storage electronics while acquiring technologies and companies in audio, video and signal processing. The modem business was spun out as Ambient Technologies in 1999 and later acquired by Intel. The company also acquired AudioLogic and Peak Audio, gaining technologies associated with audio conversion, digital signal processing and CobraNet distributed audio. Cirrus Logic completed the relocation of its headquarters to Austin in 2000. It sold its video products operation in 2005, creating privately held Magnum Semiconductor, and later separated Apex Microtechnology again after having acquired it for high-power applications. The acquisition of Wolfson Microelectronics in 2014 strengthened Cirrus Logic's audio portfolio and expanded its European engineering and customer base. In 2021, the company acquired Lion Semiconductor, adding expertise in power-management integrated circuits, particularly technologies relevant to mobile and portable electronics. Today, Cirrus Logic's business is centered on audio and mixed-signal solutions for complex consumer and embedded products. Its offerings include audio codecs and converters, smart amplifiers, haptic and sensing-related components, power-management products and supporting software or reference designs. The company serves a large international customer base that has included Apple, Ford, Harman International, LG, Lenovo, Onkyo, Marantz, Motorola, Panasonic, Pioneer, Samsung, SiriusXM, Sony and Vizio. Cirrus Logic's scale is supported by a substantial patent portfolio, reported in the reference material as more than 3,900 issued and pending patents. Its commercial profile is influenced by design wins in major consumer-electronics platforms, making customer concentration, product cycles and the transition between device generations important factors in its business.
History
Cirrus Logic began in 1981 as Patil Systems, Inc., founded by Suhas Patil in Salt Lake City, Utah. The company was reorganized in 1983 with Kamran Elahian and venture capitalist Fred Nazem, whose firm provided the initial financing. In 1984, the business adopted the Cirrus Logic name and moved to Silicon Valley to pursue the expanding market for PC components. Michael Hackworth became president and chief executive officer in 1985. Under his leadership, Cirrus Logic went public on Nasdaq in 1989 with the ticker CRUS. The company initially developed a wide range of semiconductor products, including graphics controllers, audio converters and chips for magnetic-storage applications. Its low-cost 2D graphics products became well known in the early 1990s, particularly among entry-level Windows PCs. Cirrus later expanded through acquisitions, including Crystal Semiconductor in 1991 and Acumos in 1992. Crystal Semiconductor was especially important because of its analog and mixed-signal converter expertise. This capability supported Cirrus Logic's later transition toward audio and signal-processing products. The company also pursued manufacturing and technology relationships during the 1990s, including expansion activity involving MiCRUS and a proposed joint manufacturing venture with AT&T Microelectronics. It entered agreements concerning advanced telecommunications modules and collaborated with Microsoft and Rockwell on additional semiconductor initiatives. By the middle of the 1990s, Cirrus Logic's graphics business was under increasing pressure from competitors such as S3 and Trident as the market moved to PCI and more advanced 3D architectures. The company's later Laguna graphics family used Rambus memory and included innovative tiled-memory techniques, but product delays and an incomplete competitive position weakened its standing. When Intel entered the 3D graphics market, Cirrus Logic chose to exit graphics rather than continue competing for a business that had once generated substantial annual revenue. David D. French joined Cirrus Logic as president and chief operating officer in 1998 and became chief executive officer in 1999. The company began a deliberate repositioning toward high-performance analog and digital-processing solutions for consumer entertainment. It spun out its PC modem operation as Ambient Technologies in 1999; Intel acquired that business in early 2000. Cirrus also acquired AudioLogic, adding pulse-width-modulation, multibit-converter and DSP technology, and acquired Peak Audio in 2001, bringing CobraNet distributed-audio technology into the company. The company completed its headquarters move to Austin in 2000. During the early 2000s it reduced exposure to magnetic storage and wireless networking while acquiring or evaluating technologies in video decoding, video encoding, wireless communications and networked digital audio. In 2005, Cirrus sold its video products operation to an investment firm, creating Magnum Semiconductor. It later separated its Tucson-based Apex Microtechnology business again in 2012 after an earlier acquisition had brought the operation into Cirrus Logic. Jason Rhode became president and chief executive officer in 2007 after French resigned. During this period Cirrus acquired Apex Microtechnology and purchased assets of Tripath after Tripath entered bankruptcy. The company continued developing audio, mixed-signal and high-power analog products while reducing peripheral businesses. Its acquisition of Wolfson Microelectronics in 2014 was a major expansion of its audio capabilities and international engineering presence. In the late 2010s, Cirrus Logic remained closely associated with audio components for mobile and consumer electronics. It announced an agreement with Apple in 2018 related to active noise reduction for a future generation of AirPods and became a strategic partner of Silicon Catalyst in 2019. In 2021, Jason Rhode stepped down as CEO and John Forsyth, formerly chief strategy officer, took over. That year Cirrus acquired Lion Semiconductor, extending its capabilities in power-management ICs. It also announced a collaboration with Elliptic Labs to optimize the CS35L45 smart boosted amplifier using an AI-based virtual sensor platform. Cirrus Logic's current identity is that of a specialist fabless supplier rather than a broad-based PC-chip company. Its products support audio capture, conversion, playback, amplification, power management and related signal-chain functions in mobile devices, computers, automotive systems, home entertainment, smart-home products and selected industrial or aerospace applications. The company has reported a large global customer base and a substantial patent portfolio. Its growth depends heavily on securing design wins, introducing successive product generations and maintaining close technical relationships with major device manufacturers.
- 2021
Lion Semiconductor acquisition and CEO succession
[1]Cirrus Logic acquires Lion Semiconductor and appoints John Forsyth as chief executive officer.
- 2014
Wolfson Microelectronics acquisition
[1]Cirrus Logic acquires the UK-based audio IC company Wolfson Microelectronics.
- 2007
Jason Rhode becomes CEO
[1]Jason Rhode succeeds David French as president and chief executive officer.
- 2005
Video business divestiture
[1]The video products operation is sold and becomes Magnum Semiconductor.
- 2001
Peak Audio acquisition
[1]Cirrus Logic acquires Peak Audio and gains ownership of CobraNet distributed-audio technology.
- 2000
Headquarters move to Austin
[1]Cirrus Logic completes the relocation of its headquarters to Austin, Texas.
- 1999
Ambient Technologies is spun off
[1]The company's PC modem unit is separated as Ambient Technologies.
- 1998
Exit from PC graphics begins
[1]Cirrus Logic exits the PC graphics-card business as competition and market requirements change.
- 1991
Crystal Semiconductor acquisition
[1]Cirrus Logic acquires Crystal Semiconductor, strengthening its analog and mixed-signal converter business.
- 1989
Nasdaq listing
[1]Cirrus Logic becomes publicly traded on Nasdaq under the symbol CRUS.
Products and positioning
A specialist supplier of high-performance analog, mixed-signal and audio ICs, positioned around difficult-to-design signal-chain functions where sound quality, power efficiency, miniaturization and system integration are important.
Audio and mixed-signal ICs
Audio codecs and converters
Cirrus Logic's audio codecs, analog-to-digital converters and digital-to-analog converters handle the conversion and conditioning of audio signals. These products are designed for applications where fidelity, low power consumption, small physical size and integration are important, including mobile devices, computers, home audio, automotive entertainment and professional or embedded equipment.
Audio amplifiers
Smart audio amplifiers
Smart amplifier products combine amplification with monitoring and signal-processing functions. They can support compact speakers in phones, tablets, laptops, smart speakers and other devices by helping manufacturers manage output power, speaker protection, thermal behavior and perceived audio performance. The CS35L45 is identified in the reference material as one example of this product area.
Audio DSP and networked audio · 2001
Digital audio processing and CobraNet
Cirrus Logic has developed and acquired technologies for digital signal processing and distributed audio. Peak Audio's CobraNet technology became part of the company's portfolio and enabled the transport of multichannel audio over networks for installed-audio and professional applications.
Power management · 2021
Power-management ICs
Power-management products regulate, convert and distribute electrical power within portable and embedded systems. Cirrus Logic expanded this capability through its acquisition of Lion Semiconductor in 2021, complementing its audio and mixed-signal expertise with technologies relevant to charging, power conversion and efficient system operation.
Graphics semiconductors · 1987
PC graphics controllers
During the late 1980s and 1990s, Cirrus Logic supplied ISA, VLB, PCI and AGP graphics controllers for desktop and mobile computers. The portfolio included 2D Windows accelerators, video functions and later Laguna 3D products using Rambus memory. Cirrus Logic subsequently exited the graphics market as competition intensified and the business no longer fit its strategic focus.
High-power analog electronics · 2007
Industrial and aerospace analog products
Through the Apex Microtechnology business, Cirrus Logic obtained high-power products serving industrial and aerospace markets. The business was later separated again as an independent Apex Microtechnology operation, so these products are not necessarily part of Cirrus Logic's current core portfolio.
Marketing campaigns
- 2023Ann Richards School robotics partnership
Austin, Texas · Education and community engagement
Cirrus Logic supported a robotics partnership with the Ann Richards School and committed $10,000 annually for three years. The initiative connected the company with STEM education and girls' participation in robotics.
Outcome. The referenced robotics team had 10 girls in 2023 and grew to 30 in 2024.
Brand decisions
2021
Acquire Lion SemiconductorM&ABackground
Cirrus Logic sought to expand beyond audio into adjacent mixed-signal and power-management functions.
Action taken
The company acquired Lion Semiconductor and added its power-management technologies.
Aftermath
The acquisition strengthened Cirrus Logic's ability to address power conversion and related functions in portable electronics.
Reported transaction value. (2021)
2014
Acquire Wolfson MicroelectronicsM&ABackground
Wolfson was an established audio IC company whose capabilities complemented Cirrus Logic's existing audio and mixed-signal portfolio.
Action taken
Cirrus Logic acquired the UK-based company.
Aftermath
The transaction broadened Cirrus Logic's audio technology base and international engineering resources.
Reported transaction value. (2014)
2005
Divest the video products operationStrategyBackground
Cirrus Logic continued narrowing its portfolio around analog, mixed-signal and audio applications.
Action taken
The company sold its video products operation to an investment firm, creating Magnum Semiconductor.
Aftermath
Video products became a separate privately held business, while Cirrus Logic concentrated more heavily on audio and mixed-signal design.
1999
Spin out the PC modem operationStrategyBackground
Cirrus Logic was reducing its exposure to selected PC and communications businesses.
Action taken
The modem business was separated as Ambient Technologies, which Intel later acquired and renamed its Modem Silicon Operation.
Aftermath
The transaction supported Cirrus Logic's move away from commodity PC components and toward differentiated signal-processing products.
1998
Exit the PC graphics businessStrategyBackground
Cirrus Logic faced stronger competition in PCI and 3D graphics from companies including S3 and Trident, while delays affected the company's graphics roadmap.
Action taken
The company withdrew from PC graphics and redirected resources toward analog, mixed-signal and audio technologies.
Aftermath
The decision helped define Cirrus Logic's later identity as a specialist supplier of audio and mixed-signal ICs.
Recent events
Sources2 sources
Cite this profile: Cite the canonical profile. /brand-wiki/cirrus-logic · Editorial policy · How profiles are compiled