Top MEMS Microphones Manufacturers in the World
MEMS Microphones also known as microphone chips or silicon microphones are a kind of mic which are fabricated on production lines using semiconductor silicon wafers and highly automated processes. It will typically have an additional metal-oxide-semiconductor (CMOS) chip that acts as an analog-to-digital converter. These chips effectively take the amplified analog audio signals and convert them into digital data. These ADCs allow digital MEMS microphones to be more easily integrated with digital products. Here, we have mentioned the top MEMS microphones manufacturers in the world;
TDK
TDK’s MEMS microphone is a compact microphone package in which MEMS chip, an acoustic sensor (acoustic transducer), and IC chip for signal processing are assembled. The MEMS chip is formed into a chip by forming a microstructure on a silicon wafer using the techniques of photolithography, etching, etc., applying semiconductor manufacturing technology. It is only several millimeters in size, and about three pieces of MEMS microphones are mounted in one smartphone. MEMS microphones are also used for a microphone with earphones for hands-free calls, headphones with noise canceling functions, and so on. The company has earned the name in the top MEMS microphones manufacturers in the world.
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Knowles
Knowles is the world leader in MEMS microphones across the Mobile, Ear, and IoT markets and have shipped more than 15 billion units to date. Design variables include ever-smaller sizes, lower profiles and mounting options, increased output capacities, and new digital audio options that eliminate analog noise. For manufacturers, surface mount designs eliminate off-line subassembly production costs. Customized designs are supplied on tape-and-reel and can be run through standard automatic pick-n-place equipment during in-line surface mount manufacturing. The microphone can also communicate with our IntelliSonic™ software and special porting designs to provide a precisely customized sound. Knowles has achieved its name among the top MEMS microphone manufacturers in the world.
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Infineon Technologies
Infineon is one of the top MEMS microphones manufacturers in the world. Infineon’s XENSIV™ MEMS microphones is setting a new performance benchmark across a growing number of industries.
These innovative silicon microphones were designed to extend the benefits of lowest possible self-noise (high SNR) and lowest distortion to an ever-expanding number of applications. Their digital and analog MEMS microphones for consumer applications bring a studio-quality audio experience to smartphone or earbud form factors, for instance.
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CUI Devices
Housed in compact packages with profiles as low as 0.90 mm, CUI Devices’ electret condenser microphones and MEMS microphones offer a variety of performance options to meet the voice capture and audio recording needs of your next design. CUI Devices’ microphones are available with omnidirectional, unidirectional, and noise canceling directivity while featuring sensitivity ratings from -54 up to -24 dB and signal-to-noise ratios from 55 up to 72 dBA. The company has made its name among the top MEMS microphone manufacturers in the world.
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DFRobot
DFRobot’s tiny MEMS microphone has an amplifier gain of 66. When there is no sound detected, it outputs voltage around 1.5V.
When speaking, you can easily get the acoustic waveform by ADC sampling. The module can be used on all kinds of 3.3V/5V main controllers. The company is one of the top MEMS microphones manufacturers in the world.
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M5STACK
M5Stack has earned its name in the top MEMS microphones manufacturers in the world.PDM mini Unit is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal.
The microphone has high signal-to-noise ratio, high sensitivity, low power consumption, anti-radio frequency interference, smooth frequency response and other characteristics. It automatically switches the microphone state according to the clock frequency (power down/activate/sleep)and can be widely used for audio data collection on wearable devices and smart digital devices.
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