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This section provides an overview for instrumentation amplifiers as well as their applications and principles. Also, please take a look at the list of 13 instrumentation amplifier manufacturers and their company rankings. Here are the top-ranked instrumentation amplifier companies as of December, 2024: 1.Conrad-Johnson Design, 2.AUDIOCONTROL, 3.Learnabout Electronics.
Table of Contents
An instrumentation amplifier is designed to accurately amplify very weak signals from various sensors, such as strain gauges and pressure transducers, with high precision. These amplifiers are essential in manufacturing equipment and facilities for measuring pressure and temperature, thanks to their circuits optimized for amplifying sensor signals.
Unlike common operational amplifiers, instrumentation amplifiers offer more precise gain settings within a narrow, predefined range, significantly enhancing measurement accuracy.
Instrumentation amplifiers are pivotal in industrial instrumentation, motor control, in-vehicle equipment, and data acquisition systems. They excel at detecting and amplifying weak sensor signals with minimal noise, optimizing sensor performance across various applications.
Featuring differential inputs and single-ended outputs, instrumentation amplifiers excel at suppressing input noise and boast a high common-mode rejection ratio (CMRR). They maintain high input impedance, typically several hundred MΩ, by balancing differential inputs, while keeping output impedance low to ensure precise measurements. The amplifiers' gain is usually set through resistors within a narrow, predefined range, limiting flexibility but allowing for exceptional accuracy.
Though both types of amplifiers incorporate operational amplifiers in their designs, their applications and circuitry significantly differ. Operational amplifiers are versatile, used in a wide array of analog circuits with an external feedback loop influencing their characteristics. Instrumentation amplifiers, on the other hand, lack this external feedback loop, focusing instead on differential amplification and common mode rejection, making them ideal for handling weak sensor signals.
While some instrumentation amplifiers exist as discrete components, they are often integrated into ASIC circuits with Wheatstone bridge circuits for pressure transducers and other sensors. This integration facilitates monolithic ICs, improving amplifier characteristics, and allows for sensor parameter compensation, including temperature, alongside digital interface integration for microcontrollers. This makes them well-suited for compact and high-value applications.
*Including some distributors, etc.
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Teledyne API, established in 1988 and located in San Diego, California, USA, is a manufacturer of air quality systems and gas monitoring instrumentation. The company's product list includes ozone analyzers, generators, sensors, and turnkey ozone delivery systems designed for applications across the semiconductor, water treatment, food & beverage, and pharmaceutical industries. The company's products are approved by the U.S. Environmental Protection Agency and the European Union, and are employed in ambient air quality monitoring systems and continuous emissions monitoring systems.
Conrad-Johnson was founded in and is based in Fairfax, Virginia, United States, and is a manufacturer of simple circuits, film capacitors, audio resistors, and power transformers for various industries. The company produces headphone amplifiers, preamplifiers, control amplifiers, and, phono amplifiers as well as vacuum tube preamplifiers & power amplifiers, and, solid-state amplifiers for the audio broadcasting sector. They offer power amplifiers having an input impedance of 100 kOhms that can be used with CD players, DVD players, VHS players, tape decks, and tuners.
Incorporated in 1965, Analog Devices, Inc. designs, manufactures, tests, and markets integrated circuits (ICs), software, and subsystems that leverage analog, mixed-signal, and digital signal processing technologies. The company provides data converter products, power management and reference products for power conversion, driver monitoring, sequencing, and energy management applications in the automotive, communications, industrial, and high-end consumer markets. In addition, the company provides digital signal processing and system products for high-speed numeric calculations. It serves clients in the industrial, automotive, consumer, instrumentation, aerospace, and communications markets.
AudioControl was established in 1977 and is based in Seattle, Washington, is a manufacturer of home theaters and audio components for the music & audio sector. The company provides car audio equipment such as subwoofers, line drivers, speakers, and, equalizers as well as home audio systems such as multi-channel amplifiers, signal processors, active balanced signal extenders, and, immersive AV processors for audio, multimedia, data transmission, and, signal processing industries. They also offer audio test & measurement products such as DM-RTA, measurement microphones, iOS microphones, and, accessories that can be connected to a Mac, tablet, phone, and, PC via USB, or Bluetooth.
Snap One, LLC was established in 2005 and is based in Charlotte, North Carolina, is a manufacturer of audio & video, security, control, networking, and remote management products for professional integrators in various industries. The company provides technology solutions including smart home OS 3, whole home, smart lighting, home security, and, intercom anywhere as well as home theater, multi-room audio, universal remote, and, voice control facilities for visual media, entertainment, government, and, networking sectors. They also offer value-added services and workflow solutions to support integrators throughout the project lifecycle by providing the required applications to their operations.
Audio by Van Alstine was founded in 1970 and is based in Woodbury, MN, and is a manufacturer and supplier of musical systems and accessories for the audio industry. The company provides power amplifiers, analog preamplifiers, digital audio & accessories, ABX Switch Comparator, and HumDinger DC Line Blocker along with vacuum tubes for the music market. Their products are warranted for three years and are available in three categories namely Used only, Demo only, and, Quick-ship only in their online web portal.
IMO Precision Controls, a company founded in 1972 and headquartered in Hertfordshire, United Kingdom, is a manufacturer and supplier of industrial automation and control products. The company offers a wide range of products and solutions, including automation products, circuit protection, control and switch gears, and solar products. Their products find application in diverse industries such as manufacturing, energy, and transportation. The company also offers customer services that include technical support, value-added assembly, training courses, and tailored solutions to meet clients’ requirements.
LUXMAN CORPORATION was founded in 1925 and is based in Kanagawa, Japan, is a manufacturer of audio components and products for various industrial applications. The company provides vacuum tube amplifiers, headphone amplifiers, digital & analog players, USB d/a converters, and, software & associated accessories, along with integrated & control amplifiers, phono amplifiers, cables, and, power amplifiers. for the audio & video, electronics gadgets, electrical, broadcasting, and music instrumentation sectors. They offer ODNF original amplifier feedback circuits and power supply with independent left and right channel blocking capacitors for audio reproduction.
ZETLAB Company, founded in 1992, is a Russian-based manufacturer of control and measuring systems used in metallurgy & mechanical engineering, metrological laboratories, and manufacturing enterprises including aviation, automotive, consumer, and food industries. Its portfolio includes sensors, measuring products, turnkey systems, and digital sensors. The ZETSENSOR line digital devices include digital inclinometers, strain gauges, and seismic, temperature & pressure sensors. The company supplies turnkey data measurement, measurement control, and test control systems for seismic & leak detection, and seismic impact control. The company's ANALIZ, TENZO, SEISMO, VIBRO, and ZETVIEW software enable spectral analysis, electrical parameters measurements, & generation, recording, and representation of signals.
Brüel & Kjr, originally founded in 1942 with headquarters in Denmark, is a manufacturer of precision measuring technologies and measuring equipment. The company merged with Hottinger in 2019, a manufacturer of combustion engines and turbo chargers, and shared expertise in precision-accurate technologies, and Hottinger Brüel & Kjr, HBK, was born. HBK's new company's products include high-calibration systems, industrial electronics, vibration testing equipment, combustion engines, and acoustic end-of-line test systems for OEMs. HBK's services include custom solutions such as acoustic-tuned turbine engines used in wind-power infrastructure projects, among many others.
Radio Design Labs was founded in 1986 and is based in Carpinteria, California, United States is a manufacturer of video & audio control modules, and application-specific modules that perform a particular electronic function or do a specific job in various industrial sectors. The company provides amplifiers, speakers, microphones, signal generators, and meters, along with crossover filters, power supplies, connector plates, and remote control systems that have applications in communication, education, healthcare, hospitality, and security sectors. They also offer automatic mixing systems, distributed audio, prioritized source selection, and switching & control services for Government, Defense, Home Theatre, and, Entertainment industries.
Data Device Corporation is a manufacturer of connectivity, power, and motion control products for the industrial sector established in 1970 and based in Bohemia, New York, USA. The company’s product lineup includes power conversion and smart power control modules for vehicles, data bus networking board and subsystems for connectivity applications, and synchro/resolver motion feedback and motor control systems for motion control applications. The company is ISO 9001:2015 and AS9100:2016-certified, and mainly serves the defense and aerospace sectors.
Learn about Electronics started in 2009, is a supplier of information and illustrations on electronics for learners, educational publishers, armed forces training establishments, and, colleges & universities all over the world. They deliver electronics education in about fifty languages at a free cost through their website which contains various electronics topics in continuous chapters namely circuits & resistors, AC theory, semiconductors, amplifiers, and, oscillators as well as power supplies and digital electronics, along with the associated diagrams, notes, and, videos for electronics students, teachers, institutes, and digital magazines.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Conrad-Johnson Design |
15.6%
|
| 2 | AUDIOCONTROL |
15.6%
|
| 3 | Learnabout Electronics |
12.5%
|
| 4 | Snap One, LLC |
12.5%
|
| 5 | Hottinger Brüel & Kjær |
9.4%
|
| 6 | LUXMAN CORPORATION |
6.3%
|
| 7 | Audio by Van Alstine. |
6.3%
|
| 8 | IMO Precision Controls |
6.3%
|
| 9 | Data Device Corporation |
3.1%
|
| 10 | Teledyne Advanced Pollution Instrumentation, Inc. |
3.1%
|
Derivation Method
The ranking is calculated based on the click share within the instrumentation amplifier page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
6 | 66.7% |
|
United Kingdom
|
1 | 11.1% |
|
Japan
|
1 | 11.1% |
|
Russia
|
1 | 11.1% |
40 products found
40 products
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