INMP441ACEZ-R7 Audio Products

Series:	INMP441
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Not For New Designs
Moisture Sensitivity Level (MSL):	--
Type:	MEMS (Silicon)
Output Type:	Digital, I²S
Direction:	Omnidirectional
Frequency Range:	60Hz ~ 15kHz
Sensitivity:	-26dB ±3dB @ 94dB SPL
S/N Ratio:	61dB
Voltage Range:	1.62V ~ 3.63V
Current - Supply:	1.6mA
Port Location:	Bottom
Termination:	Solder Pads
Size / Dimension:	0.186" L x 0.148" W (4.72mm x 3.76mm)
Height (Max):	0.041" (1.05mm)
Shape:	Rectangular

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INMP441ACEZ-R7 application field and working principle

Microphones are audio capturing devices with a wide variety of applications and types. INMP441ACEZ-R7 is one of them, which is designed for applications like smartphones, tablets, digital cameras, laptops, and other consumer products. In this article, we will discuss the application field and working principle of INMP441ACEZ-R7.

Applications

The INMP441ACEZ-R7 ultra-clear low power audio microphone is designed for mobile devices such as smartphones, tablets, digital cameras, and laptops. It is characterized by robustness and excellent acoustic performance that makes it suitable for these applications.The ultra-clear microphone is embedded with a very low noise level performance, giving it its clear sound quality. The mic has an extended frequency range, allowing it to capture high-frequency, low-frequency and mid-range sounds accurately. The low power operation enables it to be used in mobile devices with low power consumption.In addition, the INMP441ACEZ-R7 microphone is sensitive to near-field sounds, making it suitable for applications such as voice recognition, speech recognition, voice navigation, and virtual assistant applications. It is also small in size, making it a good choice for embedded applications.

Working Principle

The working principle of the INMP441ACEZ-R7 microphone is based on the electro-mechanical transduction principle. This principle states that when a sound wave vibrates a diaphragm, an electric signal is produced. This principle is the basis of all microphones.The microphone\'s diaphragm is made of a special material that vibrates in response to sound waves and transmits the vibrations into an electric signal. This electric signal is then amplified and filtered so that only the sound of the desired frequency range is picked up.The INMP441ACEZ-R7 microphone consists of two parts: the diaphragm and the amplifier. The diaphragm consists of a thin metal membrane that vibrates in response to sound and produces an electric signal. The amplifier is a device that amplifies the electric signal from the microphone and filters it so that only the desired frequency range is picked up.The INMP441ACEZ-R7 microphone is further enhanced with a noise rejection technology as well. This technology is used to reduce the effect of background noise that can interfere with the microphone signal. This technology enables the microphone to pick up sounds accurately in noisy environments.

Conclusion

The INMP441ACEZ-R7 microphone is a low power audio capturing device designed for mobile applications such as smartphones, tablets, digital cameras, laptops and other consumer products. The mic is based on the electro-mechanical transduction principle that converts sound waves into an electric signal. The INMP441ACEZ-R7 microphone is characterized by robustness and excellent acoustic performance, making it suitable for a wide range of applications. It also has a low power operation, enabling it to be used in mobile devices. The microphone is further enhanced with noise rejection technology as well, allowing it to pick up sounds accurately in noisy environments.

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