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INMP441ACEZ-R7
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INMP441ACEZ-R7

Product Overview

Category

The INMP441ACEZ-R7 belongs to the category of digital micro-electro-mechanical systems (MEMS) microphones.

Use

It is commonly used in various electronic devices such as smartphones, tablets, laptops, smart speakers, and IoT devices for capturing high-quality audio.

Characteristics

  • Small form factor
  • Low power consumption
  • High sensitivity
  • Wide frequency response
  • Noise cancellation capabilities

Package

The INMP441ACEZ-R7 is typically available in a small surface-mount package.

Essence

This microphone is essential for enabling clear and accurate audio capture in compact electronic devices.

Packaging/Quantity

The INMP441ACEZ-R7 is usually supplied in reels containing a specific quantity based on the manufacturer's specifications.

Specifications

  • Sensitivity: -26 dBFS
  • Signal-to-Noise Ratio (SNR): 61 dBA
  • Frequency Response: 100 Hz to 15 kHz
  • Power Supply: 1.5 V to 3.6 V
  • Current Consumption: 180 µA

Detailed Pin Configuration

The INMP441ACEZ-R7 typically features a standard pin configuration with connections for power supply, ground, and digital output.

Functional Features

  • Digital pulse density modulation (PDM) output
  • Integrated acoustic sensor with MEMS technology
  • Low power consumption for extended battery life
  • Built-in programmable gain control

Advantages and Disadvantages

Advantages

  • High sensitivity for clear audio capture
  • Compact size for integration into small devices
  • Low power consumption
  • Noise cancellation capabilities

Disadvantages

  • Limited frequency response compared to some larger microphones
  • Susceptible to mechanical shock due to its MEMS technology

Working Principles

The INMP441ACEZ-R7 operates based on the principle of converting sound waves into electrical signals using a MEMS diaphragm and integrated circuitry. The PDM output provides a digital representation of the captured audio.

Detailed Application Field Plans

The INMP441ACEZ-R7 is well-suited for applications requiring high-quality audio capture in space-constrained environments. It is commonly used in: - Smartphones and tablets - Wearable devices - IoT sensors and devices - Voice-controlled smart home devices

Detailed and Complete Alternative Models

Some alternative models to the INMP441ACEZ-R7 include: - Knowles SPH0641LU4H-1 - STMicroelectronics MP34DT01-M - Infineon IM69D130

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de INMP441ACEZ-R7 en soluciones técnicas

  1. What is the INMP441ACEZ-R7?

    • The INMP441ACEZ-R7 is a high-performance, low-power, digital microphone with an I2S interface, commonly used in various technical solutions for capturing audio.

  2. What are the key features of the INMP441ACEZ-R7?

    • The key features include a high signal-to-noise ratio, low power consumption, small form factor, and compatibility with various digital interfaces.

  3. How is the INMP441ACEZ-R7 typically used in technical solutions?

    • It is often used in applications such as smartphones, tablets, smart home devices, IoT devices, and other consumer electronics for voice recognition, audio recording, and telecommunication.

  4. What are the recommended operating conditions for the INMP441ACEZ-R7?

    • The recommended operating voltage is typically 1.64V to 3.6V, and the operating temperature range is -40°C to 85°C.

  5. What is the typical power consumption of the INMP441ACEZ-R7?

    • The typical power consumption is around 0.65mA during active operation and less than 10µA in standby mode.

  6. Is the INMP441ACEZ-R7 compatible with common microcontroller platforms?

    • Yes, it is compatible with popular microcontroller platforms that support I2S communication, making it easy to integrate into various technical solutions.

  7. Can the INMP441ACEZ-R7 be used in noisy environments?

    • Yes, it has a high signal-to-noise ratio and excellent sensitivity, making it suitable for use in noisy environments.

  8. What are the typical design considerations when integrating the INMP441ACEZ-R7?

    • Designers should consider the microphone placement, PCB layout, power supply noise, and digital interface routing to ensure optimal performance.

  9. Are there any application notes or reference designs available for the INMP441ACEZ-R7?

    • Yes, the manufacturer provides application notes and reference designs to assist with the integration and optimization of the microphone in technical solutions.

  10. Where can I purchase the INMP441ACEZ-R7 and obtain technical support?

    • The microphone is available through authorized distributors, and technical support can be obtained from the manufacturer's website or customer support channels.