The STEVAL-MKI139V1 is a daughterboard containing 4 coupon with the MP33AB01 analog MEMS microphone.
The coupon concept allows to easily test the performances of STM MEMS microphones, it is possible to detach the single PCBs hosting a single microphone.
- 4xMP33AB01 bottom port digital MEMS microphones
- V supply from 1.5 to 3.6 V
- 125 dBSPL acoustic overload point
- Omnidirectional sensitivity
- Frequency range 100 Hz - 10 kHz
- 63 dB of SNR
- THD<1% @ 94 dBSPL, 1 KHz
- Sensitivity -38 dBFV
- RoHS compliant