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MP45DT02 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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MP45DT02 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
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1 / 16 page  This is information on a product in full production. July 2012 Doc ID 018658 Rev 5 1/16 1 MP45DT02 MEMS audio sensor omnidirectional digital microphone Datasheet − production data Features ■ Single supply voltage ■ Low power consumption ■ 120 dBSPL acoustic overload point ■ Omnidirectional sensitivity ■ PDM single-bit output with option for stereo configuration ■ HLGA package (SMD-compliant) ■ 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 MP45DT02 is a compact, low-power, top- port, omnidirectional, digital MEMS microphone. The MP45DT02 is built with a sensing element and an IC interface with stereo capability. The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process 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 MP45DT02 has an acoustic overload point of 120 dBSPL with a best on the market 61 dB signal-to-noise ratio and -26 dB sensitivity. The MP45DT02 is available in an SMD-compliant package and is guaranteed to operate over an extended temperature range from -30 °C to +85 °C. The MP45DT02’s digital output and package size (1.25 mm thick) make this device the best solution for laptop and portable computing applications. HLGA 4.72 x 3.76 6LD Table 1. Device summary Order code Temperature range [°C] Package Packing MP45DT02 -30 to +85 HLGA 4.72 x 3.76 6LD Tray MP45DT02TR -30 to +85 HLGA 4.72 x 3.76 6LD Tape and reel www.st.com |
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