MP34DT05TR-A

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MP34DT05TR-A

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MIC MEMS DIGITAL PDM OMNI -26DB

  • Nhà sản xuấtSTMicroelectronics

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Obsolete
Base Product Number MP34DT05
Type MEMS (Silicon)
Output Type Digital, PDM
Direction Omnidirectional
Frequency Range 100 Hz ~ 10 kHz
Sensitivity -26dB ±3dB @ 94dB SPL
S/N Ratio 64dB
Current - Supply 650 µA
Port Location Top
Termination Solder Pads
Size / Dimension 0.118" L x 0.157" W (3.00mm x 4.00mm)
Height (Max) 0.043" (1.10mm)
Shape Rectangular
Packaging Cut Tape (CT), Tape & Reel (TR)
Voltage - Rated 1.8 V

Tổng quan

Description

The MP34DT05TR-A is a high-performance, omnidirectional digital MEMS (Micro-Electro-Mechanical Systems) microphone. It is designed by STMicroelectronics and integrates a preamplifier and an Analog-to-Digital Converter (ADC) to deliver a Pulse Density Modulated (PDM) output. This microphone is particularly valued for its compact design, low power consumption, and high Signal-to-Noise Ratio (SNR), making it suitable for a variety of audio applications such as smartphones, tablets, wearables, and other portable electronic devices.
The MP34DT05TR-A supports a wide frequency response and has a flat frequency response curve, ensuring accurate sound capture and reproduction. Its omnidirectional pickup pattern allows it to capture sound from all directions, making it versatile for various acoustic environments. The microphone operates efficiently across a range of temperatures, enhancing its reliability in different conditions. Its robust design is also capable of withstanding high sound pressure levels. Additionally, the device is compliant with industry standards, ensuring ease of integration into electronic systems.

Equivalent

The MP34DT05TR-A is a MEMS digital microphone from STMicroelectronics. Equivalent products include the Knowles SPH0645LM4H-B, Infineon IM69D130, and Cirrus Logic's CS53L30. These alternatives offer similar performance and are used in applications needing a digital MEMS microphone, such as smartphones, tablets, and other consumer electronics. Always check the specifications to ensure compatibility with your specific requirements.

Features

The MP34DT05TR-A is a compact, low-power microphone designed for a variety of audio applications. Key features include:
1. Omnidirectional Response: Provides uniform sound capture from all directions, making it ideal for various environments.
2. High Signal-to-Noise Ratio (SNR): Ensures clear audio quality by effectively minimizing background noise.
3. Low Power Consumption: Suitable for battery-operated devices, extending their battery life.
4. Digital Output: Utilizes a Pulse Density Modulation (PDM) interface, simplifying integration with digital systems.
5. Wide Frequency Response: Covers a broad frequency range to capture detailed audio.
6. Small Form Factor: With its tiny size, it fits well into compact designs and applications.
7. Robust Construction: Built to withstand environmental stresses, enhancing reliability and durability.
8. Easy Integration: The digital interface facilitates straightforward integration into existing audio systems and designs.
These features make the MP34DT05TR-A suitable for applications in smartphones, tablets, smart speakers, and other audio-driven technologies.

Pinout

The MP34DT05TR-A is a MEMS (Micro-Electro-Mechanical Systems) digital microphone. It typically has a small form factor with a dimension of around 3.50 mm x 2.65 mm. The pin count for the MP34DT05TR-A is generally 4 pins. Here is a concise description of its pin functions:
1. VDD: Power supply pin. It provides the necessary voltage to power the microphone.
2. GND: Ground pin. It is the common ground reference for the microphone.
3. LR (Select): Left/Right channel select pin. This pin is used to configure the microphone to output data on either the left or right audio channel.
4. DOUT: Data output pin. It provides the pulse-density modulated (PDM) data stream from the microphone.
The MP34DT05TR-A is typically used in applications requiring high-performance audio capture, such as smartphones, tablets, and other consumer electronic devices. It features omnidirectional sound pickup and is designed for low power consumption and high sound quality.

Manufacturer

The MP34DT05TR-A is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer. It is known for designing and manufacturing a wide range of semiconductor products, including microcontrollers, sensors, and analog devices. The company serves various markets, including automotive, industrial, personal electronics, and communications equipment. STMicroelectronics is headquartered in Geneva, Switzerland, and operates globally, providing innovative solutions and technologies for diverse applications.

Application

The MP34DT05TR-A is a digital MEMS microphone commonly used in various applications due to its high-performance audio capture capabilities. These applications include consumer electronics like smartphones, tablets, and laptops for voice recognition and audio recording. It's also used in hearables and wearables, such as smartwatches and fitness trackers, for voice commands and biometric monitoring. Additionally, the microphone finds use in IoT devices for smart home applications, automotive systems for hands-free communication, and in industrial settings for acoustic monitoring and noise cancellation. Its compact size and low power consumption make it suitable for battery-operated devices.

Package

The MP34DT05TR-A is a MEMS (Micro-Electro-Mechanical Systems) microphone packaged in a top port, SMD (Surface-Mount Device) configuration. It includes a metal cap and is designed for easy integration into various audio applications with compact dimensions suitable for space-constrained devices.

Frequently Asked Questions


Q: What is the output type of the MP34DT05TR-A?
A: It is a digital MEMS microphone with PDM (Pulse Density Modulation) output, ideal for direct connection to digital audio processors.


Q: What is the sensitivity specification of this microphone?
A: The sensitivity is -26dB ±3dB @ 94dB SPL, providing a consistent and repeatable acoustic-to-electrical conversion.


Q: What is the operating voltage range for this component?
A: The rated voltage is 1.8V, suitable for low-power portable electronic designs.


Q: What is the current consumption during operation?
A: The supply current is 650 μA, enabling extended battery life in always-on audio applications.


Q: What is the frequency response range of the microphone?
A: It covers 100 Hz to 10 kHz, suitable for voice capture and communication applications.


Q: Can this microphone be used in compact PCB designs?
A: Yes, its top-port rectangular package measures 3.00mm x 4.00mm x 1.10mm, fitting space-constrained layouts.


Q: What is the signal-to-noise ratio performance?
A: The SNR is 64dB, ensuring clear audio capture with minimal background noise interference.


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