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MP34DTW01 Datasheet(PDF) 1 Page - STMicroelectronics |
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MP34DTW01 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 16 page  This is information on a product in full production. July 2014 DocID023177 Rev 2 1/16 MP34DTW01 MEMS audio sensor ultra-wide dynamic range omnidirectional digital microphone Datasheet - production data Features Ultra-wide dynamic range 140 dBSPL AOP Wide dynamic operation and high SNR Single low-voltage supply operation Low power consumption Sleep mode for extended battery life PDM output Omnidirectional sensitivity HCLGA package – 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 MP34DTW01 is an ultra-compact, ultra-wide dynamic range, low-power MEMS microphone. The MEMS microphone is capable of sensing both moderate and high sound pressure level of acoustic signals, exhibiting the widest ever, and thus, sound dynamic range in the digital domain. The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process to produce audio sensors. The MP34DTW01 interface is manufactured using a CMOS process that allows designing a dedicated circuit able to output a PDM digital signal. The MP34DTW01 has an acoustic overload point of 140 dB SPL with a 60 dB signal-to-noise ratio. The MP34DTW01 is available in an 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) 4LD Table 1. Device summary Order codes Temperature range [°C] Package Packing MP34DTW01 -40 °C to +85 °C HCLGA (3 x 4 x 1) mm 4LD Tray MP34DTW01TR -40 °C to +85 °C HCLGA (3 x 4 x 1) mm 4LD Tape and reel www.st.com Obsolete Product(s) - Obsolete Product(s) |
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