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STEVAL-MKI129V1

Microphone coupon board based on the MP45DT02 digital MEMS microphone
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The STEVAL-MKI129V1 is a daughterboard designed to be used in conjunction with the STEVAL-MKI126Vx (Smart Voice) kit, containing 4 MP45DT02 digital MEMS microphones.

The coupon concept allows easy performance testing of ST MEMS microphones. When inserted in the Smart Voice board, it is possible to detach the single PCBs hosting each microphone.

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Data Brief

Key Features

  • 4 x MP45DT02 top port digital MEMS microphones
  • Daughterboard to be used withSTEVAL-MKI126Vx kit
  • Vsupply from 1.64 V to 3.6 V
  • 120 dBSPL acoustic overload point
  • Omnidirectional sensitivity
  • PDM single-bit output
  • 61 dB of SNR
  • Sensitivity -26 dBFS
  • RoHS compliant

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Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DB1854: Microphone coupon board based on the MP45DT02 digital MEMS microphone
1.0 93 KB

Application Notes

Description Version Size
pdf
AN4146: STSmartVoice demonstration board STEVAL-MKI126Vx
2.0 3,511 KB
pdf
AN4184: Microphone coupon boards STEVAL-MKI129Vx based on the MP45DT02, MP34DB01, and MP34DT01
1.0 1,086 KB
pdf
AN4211: Guidelines for soldering MEMS microphones
1.1 644 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
zip
STEVAL-MKI129V1 gerber files
479 KB

Bill of Materials

Description Version Size
pdf
STEVAL-MKI129V1 BOM
1.0.0 7 KB

Schematic Pack

Description Version Size
pdf
STEVAL-MKI129V1 schematics
1.0.0 54 KB

Sample & Buy

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Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-MKI129V1ActiveMP45DT02Buy Direct40.42Distributor reported inventory date: 2014-09-19
Distributor NameRegionStockMin. order
ARROWOrder NowEUROPE50
DIGIKEYOrder NowWORLDWIDE81
MOUSEROrder NowWORLDWIDE131
Ecopack2-

(*) 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 st.com 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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