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Akustica

AKU242 Datasheet Preview

AKU242 Datasheet

Digital Silicon MEMS Microphones

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Data Sheet
AKU240 Family
AKU240 Family Digital Silicon MEMS Microphones
Data Sheet
Top port, Digital Silicon MEMS Microphones
Data Sheet
Part number(s)
Package type
Data sheet revision
Release date
Document number
Notes
AKU240, AKU241, AKU242
8-pin LGA top port
1.01
23 December 2014
DS45-1.01 AKU240 Family Data Sheet
Specifications are subject to change without notice.
Product photos and pictures are for illustration purposes only and may differ
from the real product’s appearance.
DS45-1.01
Page 1
23Dec2014
© Akustica, Inc. reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such
as copying and passing on to third parties. Bosch Group and the symbol are registered trademarks of Robert Bosch
GmbH, Germany. Note: Specifications within this document are subject to change without notice.




Akustica

AKU242 Datasheet Preview

AKU242 Datasheet

Digital Silicon MEMS Microphones

No Preview Available !

AKU240 Family
Digital Silicon MEMS Microphones
Data Sheet
AKU240 Family
Digital, HD Voice Silicon MEMS Microphones
General Description
AKU240 family consists of HD Voice quality,
top port, digital output silicon MEMS IC
microphones. They are microphones consisting
of a MEMS acoustic sensor, and an integrated
circuit (IC) with a pre-amplifier, analog-to-digital
converter, charge pump and supporting circuitry
in a small 4.0 x 3.0 x 1.0 mm3 package.
The robust digital output stream from the
AKU240 family is virtually immune to all forms
of Radio Frequency Interference (RFI) and
Electromagnetic Interference (EMI), allowing
designers the flexibility to integrate the
component anywhere on the platform and
obtain consistent SNR regardless of proximity
to displays, Wi-Fi antennae, or other sources of
interference that would degrade the signal of
conventional analog microphones.
The devices in this family provide a pulse
density modulated (PDM), single-bit digital
stream designed to enable the multiplexing of
stereo microphone data onto a single wire.
With a user selectable L/R channel option, it is
ideal for use in multiple microphone
applications.
Key Features
Digital PDM output
Omni-directional audio sensor
Excellent acoustic performance: 63dB SNR
Sensitivity: -26dBFS
Tightly controlled sensitivity tolerances:
o AKU240: ± 2dB
o AKU241: ± 1dB
o AKU242: ± 1.5dB
Compatible with Microsoft® Windows®,
LYNC® & Skype® logo certifications, Intel®
UltrabookTM and Google® ChromebookTM
requirements for digital microphones
Robust digital-output & Faraday-cage
constructed package immune to RF/EM
interference
Matched microphones in frequency and
phase response for array applications
Output supports dual-microphone, single-
wire multiplexing
Industry standard microphone interface
compatible with multiple codecs
Low current power-down mode
Lead-free surface-mountable and RoHS2
compliant
Halogen-free compliance, IEC61249-2-21
Thin profile, SMT packaging
Industry std. package: 4.00x3.00x1.00mm3
Typical Applications
Ultrabooks
Mobile phones
Media tablets
eReaders
Microphone arrays
Webcams and camera modules
DS45-1.01
Page 2
23Dec2014
© Akustica, Inc. reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such
as copying and passing on to third parties. Bosch Group and the symbol are registered trademarks of Robert Bosch
GmbH, Germany. Note: Specifications within this document are subject to change without notice.


Part Number AKU242
Description Digital Silicon MEMS Microphones
Maker Akustica
Total Page 15 Pages
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