Datasheet

For further information contact your local STMicroelectronics sales office.

February 2013 Doc ID 024304 Rev 1 1/4

STEVAL-MKI129V3

Microphone coupon board

based on the MP34DT01 digital MEMS microphone

Data brief

Features

• 4 x MP34DT01 top port digital MEMS

microphones

• Daughterboard to be used with STEVAL-

MKI126Vx kit

• Vsupply from 1.64 V to 3.6 V

• 120 dBSPL acoustic overload point

• Omnidirectional sensitivity

• PDM single-bit output

• 63 dB of SNR

• Sensitivity -26 dBFS

• RoHS compliant

Description

The STEVAL-MKI129V3 is a daughterboard

designed to be used in conjunction with the

STEVAL-MKI126Vx (Smart Voice) kit, containing

4 MP34DT01 digital MEMS microphones.

The coupon concept allows easy performance

test of ST MEMS microphones. When inserted in

the Smart Voice board, it is possible to detach the

single PCBs hosting each microphone.

www.st.com

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STEVAL-MKI129V3 Microphone coupon board based on the MP34DT01 digital MEMS microphone Data brief Features • 4 x MP34DT01 top port digital MEMS microphones • Daughterboard to be used with STEVALMKI126Vx kit • Vsupply from 1.64 V to 3.
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Schematic diagram 1 STEVAL-MKI129V3 Schematic diagram Figure 1.
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STEVAL-MKI129V3 2 Revision history Revision history Table 1. Document revision history Date Revision 22-Feb-2013 1 Changes Initial release.
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STEVAL-MKI129V3 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale.