Tiny Digital MEMS Microphone from Akustica

Click or larger image
Akustica Inc.
April 10, 2011

The AKU230 from Akustica Inc., part of the Bosch Group, Pittsburgh, PA, is a single-chip digital MEMS microphone for high-quality voice applications in laptops, tablets, and netbook PCs. The monolithic microphone die contains the microphone membrane, amplifier, and sigma delta converter and is 0.84 by 0.84 mm. Features include –26 dBFS ±2 dB sensitivity, 56 dB typical SNR, –57 dBFS power supply rejection, highly matched sensitivity control and stereo-microphone data multiplexing, immunity to RFI and EMI, and a form factor, interface circuitry, and performance designed to industry standards. The device has a 3.76 mm by 4.72 mm footprint and is 1.25 mm tall.


CompanyAkustica Inc.
CountryUnited States (USA)


Sensors 2017 Call for Speakers



Twitter Feed

Find It Fix It Forum

Sensors invites you to join the Findit-Fixit Forum, where you can get answers to your sensing questions—concerning technologies, products, methods, applications, and services--and also offer help to your fellow engineers. The Forum covers all kinds of topics, from the basics to the extraordinary.

Join the discussion!

© Copyright 2016 Questex, LLC. All Rights Reserved. Sensorsmag. Privacy Policy | Terms of Use

If you are having technical difficulties or considerations, please contact the webmaster.