MP45DT02TR

Product Overview

Category: MEMS Microphones
Use: This product is a digital microphone designed for use in various electronic devices, such as smartphones, tablets, laptops, and IoT devices.
Characteristics: The MP45DT02TR is known for its small size, high sensitivity, low power consumption, and excellent acoustic performance.
Package: The product is typically available in a surface-mount package.
Essence: The essence of the MP45DT02TR lies in its ability to capture high-quality audio in a compact form factor.
Packaging/Quantity: The MP45DT02TR is commonly sold in reels containing a specific quantity based on customer requirements.

Specifications

• Sensitivity: -26 dBFS ±1 dB
• Frequency Range: 100 Hz to 10 kHz
• Signal-to-Noise Ratio: 64 dBA
• Supply Voltage: 1.64 V to 3.6 V
• Current Consumption: 170 µA

Detailed Pin Configuration

The MP45DT02TR features a standard pin configuration with connections for power supply, ground, and digital output.

| Pin Number | Function | |------------|--------------| | 1 | Digital Output (Data) | | 2 | Power Supply (VDD) | | 3 | Ground (GND) |

Functional Features

• Digital Output: The digital microphone provides a convenient digital output for direct interfacing with microcontrollers or DSPs.
• Low Power Consumption: With a current consumption of only 170 µA, the MP45DT02TR is suitable for battery-powered applications.
• High Sensitivity: The microphone's sensitivity of -26 dBFS ensures clear audio capture even in noisy environments.

Advantages and Disadvantages

Advantages: - Small form factor - High sensitivity - Low power consumption - Digital output interface

Disadvantages: - Limited frequency range compared to some analog microphones - Sensitive to electromagnetic interference

Working Principles

The MP45DT02TR operates based on the principles of MEMS (Micro-Electro-Mechanical Systems) technology. Sound waves cause the MEMS diaphragm to vibrate, resulting in changes in capacitance that are converted into digital signals.

Detailed Application Field Plans

The MP45DT02TR is well-suited for the following applications: - Mobile phones - Tablets - Laptops - Wearable devices - Smart home devices

Detailed and Complete Alternative Models

Some alternative models to the MP45DT02TR include: - INMP441 - SPH0645LM4H - ICS-40720

In conclusion, the MP45DT02TR digital microphone offers a compact and efficient solution for capturing high-quality audio in a wide range of electronic devices.

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