ST Life.augmented


Microphone coupon board based on the MP33AB01H analog MEMS microphone
  • active Active

The STEVAL-MKI139V2 is a daughterboard containing 4 coupon with the MP33AB01H 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.

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Data Brief

Key Features

  • 4xMP33AB01H bottom port digital MEMS microphones
  • Vsupply from 1.5 to 3.6 V
  • 125 dBSPL acoustic overload point
  • Omnidirectional sensitivity
  • Frequency range 100 Hz - 10 kHz
  • 66 dB of SNR
  • THD<1% @ 94 dBSPL,1KHz
  • Sensitivity -38 dBFV
  • RoHS compliant


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB2105: Microphone coupon board based on the MP33AB01H analog MEMS microphone
1.0 218 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
STEVAL-MKI139V2 gerber files
1.0 463 KB

Bill of Materials

Description Version Size
1.0 7 KB

Schematic Pack

Description Version Size
STEVAL-MKI139V2 schematics
1.0 96 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-MKI139V2ActiveMP33AB01HBuy Direct40.42Distributor reported inventory date: 2015-05-30
Distributor NameRegionStockMin. order

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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