a" data-cycle-center-horz="true" data-cycle-timeout="10000" cookie-tracking="ref_page_type=SP;ref_page_sub_type=PH;ref_page_id=%7BCBDCCC37-BC67-4DAA-A102-F0D9415371F1%7D;ref_page_event=Supplier%20Link;header_flag=link" style="margin-bottom:25px;font-family:Arial, Helvetica, sans-serif, dk;white-space:normal;position:relative;"> T3902 Low-Power PDM Microphone TDK InvenSense's T3902 multi-mode bottom-port MEMS microphone enhances voice-based services

TDK InvenSense’sT3902 low-power pulse density modulation (PDM) microphone for mobile, IoT, and other consumer devices. The T3902 is an ultra-low power, low noise, multi-mode bottom-port MEMS microphone, enhancing voice-based services which are now commonplace in many devices and homes. The microphone offers an exceptionally efficient 185 μA ultra-low power mode, high SNR of 64.5 dB, and high acoustic overload point (AOP) of 120 dB in a 3.5 mm x 2.65 mm x 0.98 mm package. The microphone’s always on functionality in low-power mode enables immediate accessibility upon wake command. The T3902 has been developed to meet the growing demands of the high-performance, ultra-low power audio markets.

Features 3.5 mm × 2.65 mm × 0.98 mm surface mount package Low-power: 185 μA in low-power mode Extended frequency response from 36 Hz to >20 kHz Sleep mode: 12 μA High power supply rejection (PSR): -97 dB FS Fourth-order Σ-Δ modulator Digital PDM output Compatible with Sn/Pb and Pb-free solder processes RoHS/WEEE compliant Applications Mobile devices Wearables Tablets/displays Ruggedized computers STD/smart TVs Remote controls