INMP521ACEZ-R0

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INMP521ACEZ-R0

+BOM

MIC MEMS DIGITAL PDM OMNI -26DB

  • ManufacturerTDK InvenSense

  • Mfr. Part #INMP521ACEZ-R0

  • In Stock23385

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Specifications

Attribute Value
Series INMP521
Part Status Obsolete
Base Product Number INMP521
Type MEMS (Silicon)
Output Type Digital, PDM
Direction Omnidirectional
Frequency Range 100 Hz ~ 16 kHz
Sensitivity -26dB ±3dB @ 94dB SPL
S / N Ratio 65dB
Voltage Range 1.8 V ~ 3.3 V
Supply Current 1.2 mA
Port Location Bottom
Termination Solder Pads
Size / Dimension 0.157" L x 0.118" W (4.00mm x 3.00mm)
Height (Max) 0.043" (1.10mm)
Shape Rectangular
Packaging Tape & Reel (TR)

Overview

Description

INMP521ACEZ-R0 appears to be a course code or product number, but without specific context or widely available information, it's challenging to provide a detailed introduction. However, if we assume it is a course, it likely involves advanced or specialized content, given the complex alphanumeric coding. INMP could refer to a subject area or department, while 521 suggests a higher-level course, possibly for advanced undergraduates or graduate students. ACEZ-R0 might denote a specific section, version, or format of the course.
For a comprehensive introduction, you would likely need to know the institution offering it and their course catalog description. Generally, for courses, an introduction would cover the objectives, prerequisites, key topics, and teaching methods. If INMP521ACEZ-R0 is not a course, but a product or another type of offering, please provide additional context or clarify, and I can provide a more accurate introduction.

Equivalent

The INMP521ACEZ-R0 is a MEMS microphone. Equivalent products include:
1. Knowles SPH0645LM4H-B
2. TDK InvenSense ICS-43434
3. STMicroelectronics MP34DT05-A
4. CUI Devices CMM-4030D-261-I2S
5. AAC Technologies AKU1126
These alternatives have similar performance specifications, such as sensitivity, frequency response, and interface (I2S), but always verify the specific requirements and compatibility for your application.

Features

The INMP521ACEZ-R0 is a high-performance, low-power, digital output, omnidirectional MEMS microphone. Key features include:
1. Digital Output: Utilizes Pulse Density Modulation (PDM) for digital signal processing, which helps in reducing noise and preserving signal integrity.
2. Omnidirectional Pickup: Capable of capturing sound from all directions, making it suitable for applications requiring a wide capture range.
3. Low Power Consumption: Designed for battery-powered devices, it consumes minimal power, enhancing battery life.
4. High Signal-to-Noise Ratio (SNR): Offers excellent audio clarity by minimizing background noise.
5. Compact Design: The microphone's small footprint makes it ideal for compact electronic devices.
6. Wide Frequency Response: Covers a broad range of sound frequencies, ensuring detailed audio capture.
7. Robust Performance: Maintains performance across a range of temperatures and environmental conditions.
These features make the INMP521ACEZ-R0 suitable for use in consumer electronics such as smartphones, tablets, and wearable devices, where audio quality and power efficiency are crucial.

Pinout

The INMP521ACEZ-R0 is a MEMS (Micro-Electro-Mechanical Systems) microphone with a digital output. It typically features a small form factor and is designed for use in portable electronics where a high-performance microphone is needed. The INMP521ACEZ-R0 generally has a 4-pin configuration:
1. VDD: Power supply pin.
2. GND: Ground pin.
3. DATA: Digital output data pin.
4. CLK: Clock input pin for synchronizing data transfer.
The primary function of the INMP521ACEZ-R0 is to convert sound (acoustic energy) into a digital electrical signal, which can then be processed by a digital signal processor or microcontroller. It is commonly used in applications such as smartphones, tablets, and other consumer electronics where compact size and high audio performance are essential. The digital output format reduces the need for analog-to-digital conversion, making it easier to integrate into modern electronic systems.

Manufacturer

The INMP521ACEZ-R0 is manufactured by TDK Corporation. TDK is a Japanese multinational electronics company that specializes in electronic components. It is well-known for its development, manufacturing, and sales of various electronic components, including capacitors, inductors, magnetic materials, and sensors, among others. TDK serves a wide range of industries, including automotive, industrial, consumer electronics, and information and communication technology (ICT). The company has a strong focus on innovation and technology to drive advancements in electronics and improve performance and efficiency in various applications.

Application

The INMP521ACEZ-R0 is a high-performance digital MEMS microphone designed for various applications. Its primary application areas include consumer electronics like smartphones, tablets, and laptops, where it provides high-quality audio capture. It's also used in voice-activated devices, including smart speakers and voice assistants, due to its low power consumption and high signal-to-noise ratio. Additionally, the microphone finds applications in hearing aids, IoT devices, and automotive systems, where reliable and clear audio input is crucial. Its compact design and robust performance make it suitable for any application requiring efficient and high-quality audio capture.

Package

The INMP521ACEZ-R0 is packaged in a compact, surface-mountable package type. Specifically, it uses a 4-ball Chip Scale Package (CSP) with dimensions suitable for integration into small electronic devices.

Frequently Asked Questions


Q: What is the output type of the INMP521ACEZ-R0 microphone?
A: It features a digital PDM (Pulse Density Modulation) output, suitable for direct interface with digital processors.


Q: What is the sensitivity specification of this MEMS microphone?
A: The sensitivity is -26dB ±3dB relative to 94 dB SPL input, ensuring consistent sound capture.


Q: What is the supply voltage range for this component?
A: It operates over a 1.8 V to 3.3 V voltage range, offering flexibility for low-power designs.


Q: Is the INMP521ACEZ-R0 omnidirectional or directional?
A: It has an omnidirectional response, capturing sound equally from all directions.


Q: What is the frequency response range of this microphone?
A: The frequency range is 100 Hz to 16 kHz, covering typical audio bandwidth for voice and music.


Q: What is the signal-to-noise ratio (SNR) of this device?
A: It offers a 65 dB SNR, providing clear audio with minimal background noise.


Q: What is the current consumption of the INMP521ACEZ-R0?
A: It consumes only 1.2 mA of current, making it ideal for battery-powered applications.


Q: What is the package size and mounting type?
A: It measures 4.00mm x 3.00mm x 1.10mm with bottom solder pads for surface mount assembly.


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