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NPI Body

STMicroelectronics MP23DB01HP

MEMS audio sensor multi performance mode digital microphone

The MP23DB01HP is an ultra-compact, low-power, omnidirectional, digital MEMS microphone built with a capacitive sensing element and an IC interface with optional stereo configuration.

The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process dedicated to producing audio sensors.

The IC interface is manufactured using a CMOS process that allows designing a dedicated circuit able to provide a digital signal externally in PDM format.

The MP23DB01HP offers multiple performance modes. The device has a very high AOP in performance mode, sensitivity range of ±1 dB and high SNR.

Key features

Omnidirectional digital microphone
Very low distortion/very high AOP135 dBSPL acoustic overload point for all operative modes
Sensitivity: -41 dBFS ±1dB
Sensitivity matching

Additional features

Omnidirectional digital microphone
Very low distortion / very high AOP135 dBSPL acoustic overload point for all operative modes
Sensitivity: -41 dBFS ±1dB
Sensitivity matching
“Always-on" experience with low power consumption
Multiple performance modes (sleep, low-power, performance)
Typical current consumption2 μA (sleep mode)285 µA (low-power mode)800 µA (performance mode)
PDM single-bit output with option for stereo configuration
RHLGA package Bottom-port design SMD-compliant EMI-shielded ECOPACK, RoHS and “Green” compliant

Applications

Smart IoT
Smartphones and handsets
Smart speakers
Laptops and notebook computers
Wearable devices
TWS and headsets
Hands-free calling

Available tools

STEVAL-MIC006V1: Microphone coupon board based on the MP23DB01HP digital MEMS microphone
STEVAL-MIC008A : Dual MP23DB01HP MEMS mic daughter board compatible with STM32H7 discovery kit