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Cirrus Logic
Cirrus Logic Company

Formed in 1998, Cirrus Logic is an American fabless semiconductor supplier that specializes in analog, mixed-signal, and audio DSP integrated circuits (ICs). Cirrus Logic's audio processors and audio converters feature in audio and consumer entertainment products, including smartphones, tablets, digital headsets, automotive entertainment systems, home-theater receivers, and smart home applications, such as smart speakers. Cirrus Logic acquired Crystal Semiconductor, a supplier of analog and mixed-signal converter ICs, in 1991. In 2014 Cirrus Logic acquires UK-based Wolfson Microelectronics for approximately $467 million, an audio IC company founded in 1984.

 

Cirrus Logic's Technology

Cirrus Logic offer hardware and software solutions to help OEMs develop new generations of devices that deliver top‑class end‑user experiences.

 

Audio

For more than three decades, Cirrus Logic has been a leading supplier of audio IC solutions. Our analog and mixed-signal audio converter and processor products, combined with our propriety software, are delivering a premium audio and voice experience.

Hi-Fi Audio Experience

Active Noise Cancellation

Speaker Protection

Maximum Speaker Loudness

Audio Post Processing

 

Haptics

The tactile feedback experience of button-free technology is becoming so real it is changing the human machine interface and giving users a more natural interaction. Cirrus Logic is pioneering haptics technology that is easy to modify and to create new haptic waveforms.

Smartphone Haptics

TrackPad Haptics

LRAs

Custom Waveforms

 

Voice

Voice is rapidly becoming an important method for how we interact with the devices around us. From the use of verbal commands to voice authentication for security authentication, Cirrus Logic is a market leader with proprietary software embedded on remarkably small, low power ICs to capture and process the human voice.

ASR Enhancement

Noise Reduction, Suppression

Barge In Capabilities

Far-Field Voice Capture

Always-On Voice Wake

Voice Authentication

 

Timeline of key events

  • 1981 – Patil Systems Inc. is founded in Salt Lake City by Dr. Suhas Patil. Company focuses on IC solutions for the growing PC components market.
  • 1984 – Patil Systems Inc. renamed Cirrus Logic and moves headquarters to Silicon Valley.
  • 1989 – Company goes public and is listed on the Nasdaq exchange under the ticker symbol CRUS.
  • 1991 – Cirrus Logic acquires Crystal Semiconductor, a supplier of analog and mixed-signal converter ICs.
  • 1992 – Cirrus Logic Completes Deal for Acumos Inc.
  • 1998 – Cirrus Logic exits from the PC graphics card business.
  • 1998 – David D. French joins company as president and chief operating officer in June and becomes chief executive officer in February 1999. In the fall, company spins out its communication business unit.
  • 2000 – Cirrus Logic moves its headquarters to Austin, Texas.
  • 2001 – Cirrus Logic announces plan to begin exit from magnetic storage chip business.
  • 2001 – Cirrus Logic acquires several start-up companies with technologies in video decoding, video encoding, wireless networking, and networked digital audio.
  • 2003 – Cirrus Logic closes wireless networking operations.
  • 2005 – Cirrus Logic sells video product assets to investment firm, creating Magnum Semiconductor (company maintains minority equity position).
  • 2007 – Jason Rhode, formerly vice president and general manager of Cirrus' Mixed-Signal Audio division, is named president and chief executive officer, replacing French who resigned in March. In July, Cirrus Logic acquires Apex Microtechnology, a provider of high-power products for industrial and aerospace markets. Cirrus Logic acquires audio chip company Tripath after they went bankrupt.
  • 2012 – Company sells its hybrid product line in Tucson, Ariz., to a group of investors, creating Apex Microtechnology as a stand-alone company once again. In November, the company announces that it is moving its remaining product line team in Tucson to its Austin headquarters.
  • 2014 – Cirrus Logic acquires UK-based Wolfson Microelectronics, an audio IC company founded in 1984.
  • 2021 – Jason Rhode steps down as CEO to be replaced by John Forsyth who was previously chief strategy officer.

 

Part of what makes Cirrus Logic tick is their strong leadership team, committed to their vision, mission and values. These individuals lead teams across the world to provide Cirrus Logic's customers with great mixed‑signal solutions.

 

John Forsyth

President and Chief Executive Officer

 

John Forsyth became chief executive officer in January 2021. Forsyth, who was named president of Cirrus Logic in January 2020, joined Cirrus Logic in 2014 through the acquisition of Wolfson Microelectronics. Previously, Forsyth served as chief strategy officer, responsible for driving Cirrus Logic’s product strategy, as well as vice president of Marketing, responsible for building and leading Cirrus Logic’s team focusing on voice biometrics. Forsyth began his career working in handheld device development for Psion in London and has more than 20 years’ experience in embedded technology. Prior to joining Wolfson in 2012, Forsyth had led product development and strategy in several technology companies, including serving as chief technical officer of the Symbian Foundation and as vice president of strategy at Symbian Software.

 

Forsyth graduated from the University of Glasgow in Scotland in 1995.

Cirrus Logic Newest Products (2022/9/25 Update)
CS5373A-ISZ
Integrated Circuits (ICs)~Data Acquisiti
IC DLT-SGM MODULATOR W/INTGRTD T
CRD1611A-8W-Z
Development Boards, Kits, Programmers~Ev
REFERENCE DESIGN FOR CS1611A, 8W
CDB4382A
Development Boards, Kits, Programmers~Ev
BOARD EVAL FOR CS4382A DAC
CS4392-KZZ
Integrated Circuits (ICs)~Data Acquisiti
IC DAC/AUDIO 24BIT 192K 20TSSOP
WM8772SEDS/RV
Integrated Circuits (ICs)~Audio
IC CODEC 24BIT 6CH 192KHZ 28SSOP
CRD49834
Development Boards, Kits, Programmers~Ev
EVAL BD - DSP REF DESIGN DAGDA 3
CS8952-IQ
Integrated Circuits (ICs)~Interface - Dr
IC TRANSCEIVER 100TQFP
CS5532-ASZR
Integrated Circuits (ICs)~Data Acquisiti
IC ADC 24BIT SIGMA-DELTA 20SSOP
Cirrus Logic Featured Products and Applications
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