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MP34DB02TR

MP34DB02TR Description

The MP34DB02TR is a MEMS (Silicon) microphone manufactured by STMicroelectronics, designed for digital applications with its PDM (Pulse Density Modulation) output. This omnidirectional microphone boasts a frequency range of 20 Hz to 20 kHz, ensuring it captures a wide spectrum of audio. With a high signal-to-noise ratio of 62.6 dB, it delivers clear and crisp audio quality. The microphone operates within a voltage range of 1.64 V to 3.6 V and consumes a mere 650 µA of current, making it power-efficient.

MP34DB02TR Features

• Frequency Range: 20 Hz ~ 20 kHz, suitable for a broad range of audio applications.
• Signal-to-Noise Ratio: 62.6 dB, ensuring high audio fidelity.
• Output Type: Digital PDM, compatible with digital systems.
• Voltage - Rated: 1.8 V, with a flexible voltage range of 1.64 V to 3.6 V.
• Current - Supply: 650 µA, low power consumption for extended battery life in portable devices.
• Size / Dimension: Compact at 0.157" L x 0.118" W (4.00mm x 3.00mm), ideal for space-constrained designs.
• Moisture Sensitivity Level (MSL): 3 (168 Hours), suitable for environments with moderate humidity.
• RoHS Status: ROHS3 Compliant, adhering to environmental standards.
• ECCN: EAR99, indicating export control classification.

MP34DB02TR Applications

The MP34DB02TR is ideal for applications requiring high-quality audio capture in a compact form factor. Its digital output and omnidirectional pickup pattern make it suitable for:

• Portable Devices: Smartphones, tablets, and wearables.
• Audio Recording: Dictaphones, voice recorders, and conferencing systems.
• Home Automation: Smart speakers and voice-activated assistants.
• Industrial Equipment: Machinery with voice control or noise monitoring systems.

Conclusion of MP34DB02TR

While the MP34DB02TR is an obsolete product, it once offered a robust solution for digital audio applications. Its combination of high signal-to-noise ratio, digital output, and compact size made it a popular choice for a variety of devices. For those seeking a similar product, STMicroelectronics offers a range of updated microphones with enhanced features and performance.