Product overview
Description
The STEVAL-MKI139V4 board contains four MP23AB01DM analog MEMS microphones.
The coupon design allows easy performance testing of STM MEMS microphones, with the possibility of detaching the single PCBs hosting each microphone.
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All features
- 4xMP23AB01DM bottom port analog MEMS microphones
- Vsupply from 2.3 to 3.6 V
- 135 dBSPL acoustic overload point
- Omnidirectional sensitivity
- Frequency range 100 Hz - 10 kHz
- 65 dB of SNR
- Sensitivity -38 dBFV ±1 dBV
- THD < 0.5% @ 94 dBSPL, 1 kHz
- THD < 4% @ 130 dBSPL, 1 kHz
- RoHS compliant