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MP34DT02 Datasheet(PDF) 1 Page - STMicroelectronics |
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MP34DT02 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 16 page  This is information on a product in full production. September 2014 DocID026560 Rev 2 1/16 MP34DT02 MEMS audio sensor omnidirectional digital microphone Datasheet - production data Features • Single supply voltage • Low power consumption • 120 dBSPL acoustic overload point • 60 dB signal-to-noise ratio • Omnidirectional sensitivity • –26 dBFS sensitivity • PDM output • HCLGA package – Top-port design – SMD-compliant – EMI-shielded – ECOPACK®, RoHS, and “Green” compliant Applications • Mobile terminals • Laptop and notebook computers • Portable media players • VoIP • Speech recognition • A/V eLearning devices • Gaming and virtual reality input devices • Digital still and video cameras • Antitheft systems Description The MP34DT02 is an ultra-compact, low-power, omnidirectional, digital MEMS microphone built with a capacitive sensing element and an IC interface. The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process dedicated to produce audio sensors. The IC interface is manufactured using a CMOS process that allows designing a dedicated circuit able to provide a digital signal externally in PDM format. The MP34DT02 has an acoustic overload point of 120 dBSPL with a 60 dB signal-to-noise ratio and –26 dBFS sensitivity. The MP34DT02 is available in a top-port, SMD- compliant, EMI-shielded package and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C. HCLGA (3 x 4 x 1.06) mm 4LD Table 1. Device summary Order codes Temperature range [°C] Package Packing MP34DT02 -40 to +85 HCLGA (3 x 4 x 1.06) mm 4LD Tray MP34DT02TR -40 to +85 HCLGA (3 x 4 x 1.06) mm 4LD Tape and reel www.st.com |
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