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INMP441ACEZ-R7

Name: INMP441ACEZ-R7
Rating: 4.7 (12 reviews)

MIC MEMS DIGITAL I2S OMNI -26DB

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Mfr.부분 #INMP441ACEZ-R7
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데이터시트 INMP441ACEZ-R7 DataSheet
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사양

Series	INMP441
Part Status	Obsolete
Type	MEMS (Silicon)
Output Type	Digital, I2S
Direction	Omnidirectional
Frequency Range	60 Hz ~ 15 kHz
Sensitivity	-26dB ±3dB @ 94dB SPL
S/N Ratio	61dB
Voltage Range	1.62 V ~ 3.63 V
Current - Supply	1.6 mA
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

개요

Description

The INMP441ACEZ-R7 is a high-performance digital MEMS microphone designed for applications requiring high-quality audio capture. It features a low noise floor, high sensitivity, and a wide dynamic range, making it suitable for consumer electronics, smartphones, tablets, and IoT devices. The microphone operates on I2S digital output, simplifying integration into digital systems.
Key specifications include a sensitivity of -26 dBFS and a maximum SPL of 120 dB, ensuring clear sound reproduction even in noisy environments. Its compact size and low power consumption make it ideal for portable applications. The INMP441ACEZ-R7 also incorporates features like an integrated analog-to-digital converter (ADC) and a built-in low-noise amplifier, providing enhanced audio performance.
Overall, this microphone stands out for its reliability and audio fidelity, making it a popular choice among developers and engineers in the audio technology sector.

Features

The INMP441ACEZ-R7 is a digital MEMS microphone featuring a high-performance design suitable for various audio applications. Key features include:
1. Digital Output: It uses I2S or PDM interface for easy integration with digital systems.
2. Low Noise: With a high signal-to-noise ratio (SNR) of around 65 dB, it ensures clear audio capture.
3. Compact Size: The microphone comes in a small package, making it ideal for space-constrained designs.
4. Wide Frequency Response: It operates effectively across a frequency range of 20 Hz to 20 kHz.
5. Low Power Consumption: Designed for battery-operated devices, it consumes minimal power during operation.
6. High Sensitivity: Provides excellent audio pickup capabilities, making it suitable for voice recognition and other applications.
7. Robust Performance: The INMP441 is designed to operate reliably in various environmental conditions.
These features make the INMP441ACEZ-R7 an excellent choice for smartphones, tablets, and IoT devices requiring quality audio input.

Package

The INMP441ACEZ-R7 is packaged in a small, surface-mount 4-pin LGA (Land Grid Array) package. This compact design is ideal for space-constrained applications and allows for easy integration into various electronic devices.

Pinout

The INMP441ACEZ-R7 is a digital MEMS microphone featuring a total of 5 pins. The functions of these pins are as follows:
1. VDD: Power supply pin, typically operating at 1.8V to 3.6V.
2. GND: Ground pin for circuit reference.
3. SDO: Serial Data Output pin for digital audio data, typically following I2S format.
4. WS: Word Select pin, used to indicate the start of a new audio frame (also known as Left/Right clock).
5. SCK: Serial Clock pin for synchronizing data transmission.
This microphone is designed for applications requiring high-quality audio capture, providing low noise and low power consumption.

Manufacturer

The INMP441ACEZ-R7 is manufactured by InvenSense, a subsidiary of TDK Corporation. InvenSense specializes in MEMS (Micro-Electro-Mechanical Systems) sensors, particularly motion sensors and audio solutions. The company focuses on designing and producing sensors for various applications, including smartphones, wearables, gaming devices, and automotive systems. Their products are widely used in consumer electronics to enhance functionality and user experience through motion tracking and high-quality audio capture. TDK Corporation, the parent company, is a global leader in electronic components and solutions, emphasizing innovation and technology across various industries.

Application

The INMP441ACEZ-R7 is a digital MEMS microphone primarily used in applications such as voice recognition, smart speakers, smartphones, tablets, and computer peripherals. Its low power consumption and high performance make it suitable for wearable devices, IoT applications, and noise-cancellation systems. Additionally, it is utilized in automotive applications for hands-free communication and voice-activated controls.

Equivalent

The INMP441ACEZ-R7 is a digital MEMS microphone. Equivalent products include the Knowles SPH0645LM4H, STMicroelectronics MP34DT05, and BMA280. These microphones offer similar specifications in terms of size, audio quality, and digital output interface, making them suitable alternatives for various applications. Always verify compatibility for specific use cases.