STMicroelectronics
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
MP34DB01TR

MP34DB01TR

Product Overview

Category: MEMS Microphones
Use: Audio recording and voice recognition
Characteristics: High sensitivity, low power consumption, small form factor
Package: Surface-mount package
Essence: Capturing high-quality audio in compact devices
Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

  • Sensitivity: -26 dBFS ±1 dB
  • Signal-to-Noise Ratio (SNR): 64 dBA
  • Frequency Range: 100 Hz to 10 kHz
  • Supply Voltage: 1.62 V to 3.6 V
  • Current Consumption: 170 µA

Detailed Pin Configuration

  1. VDD
  2. GND
  3. Data
  4. Clock
  5. Frame Sync
  6. Reserved
  7. Reserved
  8. Reserved

Functional Features

  • High Sensitivity: Captures clear audio even in noisy environments
  • Low Power Consumption: Ideal for battery-powered devices
  • Small Form Factor: Fits into compact electronic devices

Advantages and Disadvantages

Advantages: - Clear audio capture - Low power consumption - Compact size

Disadvantages: - Limited frequency range - Requires external signal processing for full functionality

Working Principles

The MP34DB01TR operates based on the principle of MEMS (Micro-Electro-Mechanical Systems) technology. It utilizes a diaphragm that moves in response to sound waves, converting them into electrical signals.

Detailed Application Field Plans

  1. Smartphones: Enhancing voice call quality and enabling voice commands
  2. Wearable Devices: Adding voice control capabilities to smartwatches and fitness trackers
  3. IoT Devices: Integrating into smart home devices for voice interaction

Detailed and Complete Alternative Models

  1. MP23AB01DR: Similar sensitivity and SNR, different package type
  2. SPH0641LU4H-1: Wider frequency range, higher power consumption
  3. INMP441: Lower sensitivity, wider frequency range

This comprehensive entry provides an in-depth understanding of the MP34DB01TR MEMS microphone, including its specifications, features, applications, and alternatives.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MP34DB01TR dalam penyelesaian teknikal

  1. What is MP34DB01TR?

    • MP34DB01TR is a digital MEMS microphone designed for applications such as smartphones, tablets, smart home devices, and IoT (Internet of Things) devices.

  2. What are the key features of MP34DB01TR?

    • The key features of MP34DB01TR include a high signal-to-noise ratio, omnidirectional sensitivity, low power consumption, and a small form factor.

  3. How is MP34DB01TR typically connected to a microcontroller or DSP?

    • MP34DB01TR is typically connected using a digital interface such as I2S (Inter-IC Sound) or PDM (Pulse Density Modulation).

  4. What is the typical voltage supply range for MP34DB01TR?

    • The typical voltage supply range for MP34DB01TR is 1.64V to 3.6V.

  5. Can MP34DB01TR be used in noisy environments?

    • Yes, MP34DB01TR is designed to perform well in noisy environments due to its high signal-to-noise ratio.

  6. What are the recommended soldering guidelines for MP34DB01TR?

    • The recommended soldering guidelines include a maximum reflow temperature of 260°C and a maximum soldering time of 10 seconds.

  7. Is MP34DB01TR suitable for battery-powered devices?

    • Yes, MP34DB01TR's low power consumption makes it suitable for use in battery-powered devices.

  8. What are the typical applications of MP34DB01TR in technical solutions?

    • Typical applications include voice-controlled devices, audio recording, noise-cancelling headphones, and smart speakers.

  9. Does MP34DB01TR require any external components for operation?

    • MP34DB01TR requires minimal external components for operation, typically including decoupling capacitors and resistors for biasing.

  10. What are the environmental considerations for using MP34DB01TR?

    • MP34DB01TR should be operated within its specified temperature and humidity ranges to ensure optimal performance and reliability.