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MP34DB01TR The STMicroelectronics MP34DB01TR is a MEMS digital PDM microphone with omnidirectional directivity. It operates with a supply voltage of 1.8V and has a sensitivity of -26dB.
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MP34DB01TR

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics MP34DB01TR is a MEMS digital PDM microphone with omnidirectional directivity. It operates with a supply voltage of 1.8V and has a sensitivity of -26dB.
✓ Total Stock: 150 pcs

MP34DB01TR Available from 1 distributor

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✓ Non-Authorised
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Optech Co.,Limited ✓
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150 pcs
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150 pcs On Request 1 On Request On Request 15+ On Request On Request
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MP34DB01TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
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MP34DB01TR Description

Short technical summary and product information.

The STMicroelectronics MP34DB01TR is a MEMS (Micro-Electro-Mechanical System) microphone designed for digital audio applications. It utilizes PDM (Pulse Density Modulation) output, offering a digital interface for audio signals.

 

This omnidirectional microphone features a sensitivity of -26dB ±3dB at 94dB SPL and a signal-to-noise ratio of 62.6dB. Its compact rectangular form factor measures 4.00mm in length and 3.00mm in width, with a maximum height of 1.10mm, making it suitable for space-constrained designs. The operating voltage range is from 1.64V to 3.6V, with a rated voltage of 1.8V and a supply current of 650μA.

 

The frequency response spans from 20Hz to 20kHz, covering the audible spectrum. Termination is achieved via solder pads, and the port is located at the bottom of the device. This MEMS microphone is ideal for integration into various audio capture systems where digital signal processing is preferred.

MP34DB01TR Quick Information

Product Type: MEMS Microphone
Canonical Name: STMicroelectronics MP34DB01TR MEMS Digital PDM Microphone
Subcategory: MEMS

MP34DB01TR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MP34DB01TR Features

  • Digital PDM output for audio signals.
  • Omnidirectional directivity pattern.
  • Compact 4.00mm x 3.00mm size.
  • Wide 20Hz to 20kHz frequency range.
  • Low supply current of 650μA.

MP34DB01TR Applications

  • Ideal for voice recognition systems.
  • Suitable for portable electronic devices.
  • Used in audio recording modules.
  • Applicable in communication headsets.

MP34DB01TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the sensitivity of the MP34DB01TR?

-26dB ±3dB @ 94dB SPL.

What is the output type of this microphone?

Digital, PDM (Pulse Density Modulation).

What is the supply voltage range?

1.64V to 3.6V with a rated voltage of 1.8V.

What is the frequency response?

20Hz to 20kHz.

What are the physical dimensions?

4.00mm L x 3.00mm W x 1.10mm H.

What is the supply current consumption?

650μA.

What is the directivity pattern?

Omnidirectional.

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