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INMP621ACEZ-R7
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INMP621ACEZ-R7

Product Overview

Category

INMP621ACEZ-R7 belongs to the category of digital micro-electro-mechanical systems (MEMS) microphones.

Use

It is used for capturing and converting sound into electrical signals in various electronic devices such as smartphones, tablets, laptops, and IoT devices.

Characteristics

  • Small size
  • Low power consumption
  • High sensitivity
  • Wide frequency response

Package

The INMP621ACEZ-R7 comes in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide high-quality audio capture in a small form factor.

Packaging/Quantity

The INMP621ACEZ-R7 is typically packaged in reels containing a specific quantity based on customer requirements.

Specifications

  • Sensitivity: -26 dBFS
  • Signal-to-Noise Ratio (SNR): 65 dBA
  • Frequency Response: 100 Hz to 15 kHz
  • Operating Voltage: 1.5 V to 3.6 V
  • Current Consumption: 180 µA

Detailed Pin Configuration

The INMP621ACEZ-R7 features a standard pin configuration with connections for power, ground, and data output.

Functional Features

  • Digital pulse density modulation (PDM) output
  • Low self-noise
  • Omnidirectional polar pattern

Advantages

  • Compact size allows for easy integration into small electronic devices
  • Low power consumption extends battery life in portable devices
  • High sensitivity enables clear audio capture even in noisy environments

Disadvantages

  • Limited frequency response compared to some larger microphone options
  • Susceptible to mechanical shock due to its MEMS construction

Working Principles

The INMP621ACEZ-R7 utilizes MEMS technology to convert sound waves into electrical signals. When sound waves hit the microphone diaphragm, it vibrates, causing a change in capacitance which is then converted into a digital PDM output.

Detailed Application Field Plans

The INMP621ACEZ-R7 is suitable for applications requiring high-quality audio capture in small electronic devices. It can be used in smartphones, tablets, laptops, smart home devices, wearables, and IoT products.

Detailed and Complete Alternative Models

  • INMP441
  • INMP521
  • INMP522

These alternative models offer similar performance and characteristics to the INMP621ACEZ-R7 and can be considered based on specific project requirements.

In conclusion, the INMP621ACEZ-R7 is a compact and high-performance MEMS microphone suitable for a wide range of electronic devices requiring audio capture capabilities.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací INMP621ACEZ-R7 v technických řešeních

  1. What is the INMP621ACEZ-R7?

    • The INMP621ACEZ-R7 is a high-performance, low-power digital output bottom-ported omnidirectional MEMS microphone.

  2. What are the key features of the INMP621ACEZ-R7?

    • The key features include a wide frequency response, low power consumption, small form factor, and digital pulse density modulation (PDM) output.

  3. What are the typical applications for the INMP621ACEZ-R7?

    • Typical applications include smartphones, tablets, laptops, smart home devices, IoT devices, and other portable electronics requiring high-quality audio capture.

  4. What is the operating voltage range of the INMP621ACEZ-R7?

    • The operating voltage range is typically 1.62V to 3.6V.

  5. What is the sensitivity of the INMP621ACEZ-R7?

    • The sensitivity is typically -26 dBFS ±1 dB.

  6. Does the INMP621ACEZ-R7 require an external amplifier?

    • No, it has a built-in preamplifier, so it does not require an external amplifier.

  7. What is the typical signal-to-noise ratio (SNR) of the INMP621ACEZ-R7?

    • The typical SNR is 65 dBA.

  8. Can the INMP621ACEZ-R7 be used in noisy environments?

    • Yes, it has a high SNR and can effectively capture audio in noisy environments.

  9. Is the INMP621ACEZ-R7 compatible with common microcontroller interfaces?

    • Yes, it is compatible with standard I2S, left-justified, and TDM interfaces.

  10. What are the recommended soldering and handling guidelines for the INMP621ACEZ-R7?

    • It is recommended to follow the manufacturer's guidelines for soldering temperature, time, and handling to ensure proper functionality and reliability.