MP34DT05TR-A STMicroelectronics

MP34DT05-A Datasheet MEMS audio sensor omnidirectional digital microphone Features Single supply voltage Low power consumption AOP = 122.5 dBSPL 64 dB signal-to-noise ratio Omnidirectional sensitivity 26 dBFS 3 dB 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 Product status link Gaming and virtual reality input devices MP34DT05-A Digital still and video cameras Antitheft systems Product summary Order code MP34DT05TR-A Description Temperature -40 to +85 range C The MP34DT05-A is an ultra-compact, low-power, omnidirectional, digital MEMS microphone built with a capacitive sensing element and an IC interface. HCLGA 4LD Package (3 x 4 x 1 mm) The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process dedicated to producing audio sensors. Packing Tape and reel 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 MP34DT05-A is a low-distortion digital microphone with a 64 dB signal-to-noise ratio and 26 dBFS 3 dB sensitivity. The MP34DT05-A 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. DS12239 - Rev 5 - June 2021 www.st.com For further information contact your local STMicroelectronics sales office.MP34DT05-A Pin description 1 Pin description Figure 1. Pin connections LR CLK DOUT Vdd GND BOTTOM VIEW Table 1. Pin description Pin Pin name Function 1 Vdd Power supply 2 LR Left/Right channel selection 3 CLK Synchronization input clock 4 DOUT Left/Right PDM data output 5 (ground ring) GND Ground DS12239 - Rev 5 page 2/20