Linear Technology Corporation was an American semiconductor company that designed, manufactured and marketed high performance analog
integrated circuit
An integrated circuit (IC), also known as a microchip or simply chip, is a set of electronic circuits, consisting of various electronic components (such as transistors, resistors, and capacitors) and their interconnections. These components a ...
s. Applications for the company's products included telecommunications, cellular telephones, networking products, notebook and desktop computers, video/multimedia, industrial instrumentation, automotive electronics, factory
automation
Automation describes a wide range of technologies that reduce human intervention in processes, mainly by predetermining decision criteria, subprocess relationships, and related actions, as well as embodying those predeterminations in machine ...
,
process control
Industrial process control (IPC) or simply process control is a system used in modern manufacturing which uses the principles of control theory and physical industrial control systems to monitor, control and optimize continuous Industrial processe ...
, military and space systems. The company was founded in 1981 by Robert H. Swanson, Jr. and
Robert C. Dobkin.
In July 2016,
Analog Devices
Analog Devices, Inc. (ADI), also known simply as Analog, is an American multinational corporation, multinational semiconductor company specializing in data conversion, signal processing, and power management technology, headquartered in Wilming ...
agreed to buy Linear Technology for 14.8 billion dollars. This acquisition was finalized on March 10, 2017. The Linear name survives as the "Power by Linear" brand that is used to market the combined power management portfolios of Linear Technology and Analog Devices.
Products
As of August 2010, the company made over 7500 products,
which they organized into seven product categories:
data conversion
Data conversion is the conversion of computer data from one format to another. Throughout a computer environment, data is encoded in a variety of ways. For example, computer hardware is built on the basis of certain standards, which requires ...
(analog to digital converters, digital to analog converters),
signal conditioning (operational amplifiers, comparators, voltage references),
power management
Power management is a feature of some electrical appliances, especially copiers, computers, computer CPUs, computer GPUs and computer peripherals such as monitors and printers, that turns off the power or switches the system to a low-power ...
(switching regulators, linear regulators, battery management, LED drivers), interface (RS232, RS485),
radio frequency
Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around to around . This is roughly between the u ...
(mixers, quadrature modulators),
oscillators
Oscillation is the repetitive or periodic variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states. Familiar examples of oscillation include a swinging pendulum ...
, and space and military ICs.
The company maintained
LTspice, a freely downloadable version of
SPICE
In the culinary arts, a spice is any seed, fruit, root, Bark (botany), bark, or other plant substance in a form primarily used for flavoring or coloring food. Spices are distinguished from herbs, which are the leaves, flowers, or stems of pl ...
that includes
schematic capture
Schematic capture or schematic entry is a step in the design cycle of electronic design automation (EDA) at which the electronic diagram, or electronic schematic of the designed electronic circuit, is created by a designer. This is done interac ...
.
Locations
Corporate headquarters were in
Milpitas, California
Milpitas (Spanish for or little cornfields) is a city in Santa Clara County, California, part of Silicon Valley and the broader San Francisco Bay Area. Located on the eastern shore of San Francisco Bay, it is bordered by San Jose, California, S ...
.
In the United States, the company had design centers in
Phoenix, Arizona
Phoenix ( ) is the List of capitals in the United States, capital and List of cities and towns in Arizona#List of cities and towns, most populous city of the U.S. state of Arizona. With over 1.6 million residents at the 2020 census, it is the ...
;
Grass Valley, California;
Santa Barbara, California
Santa Barbara (, meaning ) is a coastal city in Santa Barbara County, California, of which it is also the county seat. Situated on a south-facing section of coastline, the longest such section on the West Coast of the United States excepting A ...
;
Colorado Springs, Colorado
Colorado Springs is the most populous city in El Paso County, Colorado, United States, and its county seat. The city had a population of 478,961 at the 2020 United States census, 2020 census, a 15.02% increase since 2010 United States Census, 2 ...
;
North Chelmsford, Massachusetts;
Manchester, New Hampshire
Manchester is the List of municipalities in New Hampshire, most populous city in the U.S. state of New Hampshire. Located on the banks of the Merrimack River, it had a population of 115,644 at the 2020 United States census, 2020 census. Manches ...
;
Cary, North Carolina
Cary is a town in Wake County, North Carolina, Wake, Chatham County, North Carolina, Chatham, and Durham County, North Carolina, Durham counties in the U.S. state of North Carolina and is part of the Raleigh, North Carolina, Raleigh-Cary, NC M ...
;
Plano, Texas
Plano ( ; Spanish language, Spanish for "flat surface" /'plano/) is a city in the U.S. state of Texas, where it is the largest city in Collin County, Texas, Collin County. A small portion of Plano is located in Denton County, Texas, Denton Count ...
; and
Burlington, Vermont
Burlington, officially the City of Burlington, is the List of municipalities in Vermont, most populous city in the U.S. state of Vermont and the county seat, seat of Chittenden County, Vermont, Chittenden County. It is located south of the Can ...
. It also had centers in
Munich
Munich is the capital and most populous city of Bavaria, Germany. As of 30 November 2024, its population was 1,604,384, making it the third-largest city in Germany after Berlin and Hamburg. Munich is the largest city in Germany that is no ...
and
Singapore
Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...
.
The company's
wafer fabrication facilities were located in
Camas, Washington and Milpitas, California.
See also
*
Jim Williams
References
External links
*
{{Finance links
, name = Analog Devices, Inc.
, symbol = ADI
, sec_cik = ADI
, yahoo = ADI
, google = ADI
Technology companies based in the San Francisco Bay Area
Companies based in Milpitas, California
Electronics companies established in 1981
American companies established in 1981
1981 establishments in California
2017 mergers and acquisitions
Defunct semiconductor companies of the United States
American corporate subsidiaries
Defunct computer companies of the United States
Defunct computer hardware companies