The Infineon a digital high performance MEMS microphone based on Infineon’s new sealed Dual Membrane MEMS technology which delivers high ingress protection (IP57) at a microphone level, its small size of only 3.60 x 2.50 x 1.00 mm3 makes it a perfect match for compact audio devices, such as TWS earbuds.

Component level IP57 dust and water resistant
Dynamic range of 102dB
Signal to noise ratio of 69dB(A) SNR
<1% total harmonic distortions up to 123dBSPL
Acoustic overload point at 127dBSPL
Accurate sensitivity matching (± 1dB) for beam forming applications
Flat frequency response with low frequency roll off at 40Hz
Power optimized modes determined by PDM clock frequency
Package dimensions: 3.60 mm x 2.50 mm x 1 mm
PDM Output
Omnidirectional pickup pattern forming applications