MP34DB02TR

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MP34DB02TR

MIC MEMS DIGITAL PDM OMNI -26DB

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仕様

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

概要

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.

出荷

出荷方法私たち

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出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

支払い

Payment Methods

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