MP34DB02TR

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MP34DB02TR

MIC MEMS DIGITAL PDM OMNI -26DB

  • Manufacturer
  • Mfr. Part #MP34DB02TR
  • Package
  • Datasheet
  • In Stock22555

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Specifications

Part Status Obsolete
Base Product Number MP34
Type MEMS (Silicon)
Output Type Digital, PDM
Direction Omnidirectional
Frequency Range 20 Hz ~ 20 kHz
Sensitivity -26dB ±3dB @ 94dB SPL
S/N Ratio 62.6dB
Voltage - Rated 1.8 V
Current - Supply 650 µA
Port Location Bottom
Termination Solder Pads
Size / Dimension 0.157" L x 0.118" W (4.00mm x 3.00mm)
Height (Max) 0.043" (1.10mm)
Shape Rectangular
Packaging Tape & Reel (TR)
Voltage Range 1.64 V ~ 3.6 V

Overview

Description

MP34DB02TR is a digital MEMS microphone in a compact bottom-port SMD package (MP34DB0x family). It outputs a single-bit PDM audio stream (DATA) synchronized to a clock input (CLK). It integrates the MEMS diaphragm, preamp, and anti-aliasing features; no internal DAC is used on the mic side. An external PDM-to-PCM decimation filter is required to obtain PCM samples. It operates from a low-voltage supply (typical range 1.65–3.6 V) and is suited for mobile devices, wearables, laptops, and voice-enabled products. The TR suffix indicates Tape & Reel packaging for automated assembly. For exact electrical, mechanical, and packaging details, refer to the MP34DB02TR datasheet.

Features

Here are the key features of MP34DB02TR:
- Digital MEMS microphone with PDM (1-bit) output
- Bottom-port (BP) design
- Omnidirectional acoustic pickup
- Very small footprint; tape-and-reel packaging (TR)
- Low-power, single-supply operation
- Requires external clock input for PDM data
- RoHS compliant
- Wide operating temperature range suitable for consumer devices

Package

MP34DB02TR is a surface-mount MEMS digital microphone in a 6‑pad LGA (land‑grid‑array) package with a bottom sound port, supplied on tape‑and‑reel.

Pinout

Pin count: 4 pins.
Function: Digital MEMS microphone (PDM). Pins are VDD (power), GND (ground), CLK (PDM clock input), and DATA (PDM data output). The MP34DB02TR is a bottom-port mic; clock drives data output.

Manufacturer

Manufacturer: STMicroelectronics.
Type of company: STMicroelectronics is a multinational semiconductor manufacturer (an integrated device manufacturer) that designs and produces integrated circuits, MEMS (including microphones), sensors, analog and power devices. It is a public, global electronics/semiconductor company headquartered in Geneva, Switzerland.

Application

MP34DB02TR is a MEMS digital microphone used for voice capture. Typical applications: smartphones/tablets/laptops; smart speakers and voice assistants; conferencing headsets, USB webcams, and collaboration devices; wearables and AR/VR headsets; IoT and smart-home devices (wake-word and audio sensing); automotive infotainment and hands-free systems.

Equivalent

MP34DB02TR is ST’s bottom-port digital MEMS microphone with PDM output. Closest cross‑refs from other vendors include:
- InvenSense ICS-43434 (digital MEMS mic, PDM)
- Analog Devices ADMP504 / ADMP521 (PDM mics)
- Knowles SPQ-series digital mics
- ST MP34DT01 / MP34DT05 (same ST family)
When replacing, verify PDM interface, port orientation (bottom/top), supply voltage, and SNR to match the original.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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