Dell Chromebook 13 3380 Chromebook 11 3380 Disassembly and Reassembly Guide - - Page 57

Key features, Typical applications

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The output of the microphone is pulse density modulated (PDM), a single-bit digital output stream designed to enable the multiplexing of stereo microphone data onto a single wire. With a user selectable Left/Right channel option, the AKU240 is ideal for use in multiple microphone applications. Key features • Digital MEMS Microphone with PDM (pulse density modulation) output • Excellent acoustic performance with 63 dB SNR • Compatible with Microsoft Windows 8 and Intel Ultrabook Requirements for Digital Microphones • Tightly controlled sensitivity of -26 dBFS +/- 2 dB • Robust digital-output 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 in accordance with IEC61249-2-21 • Thin profile, SMT packaging • Industry-standard package of 4.00 x 3.00 x 1.00 mm Typical applications • Ultrabooks • Mobile phones • Media tablets • eReaders • Microphone arrays • Webcams and camera modules Technology and components 57

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The output of the microphone is pulse density modulated (PDM), a single-bit digital output stream designed to enable the multiplexing of
stereo microphone data onto a single wire. With a user selectable Left/Right channel option, the AKU240 is ideal for use in multiple
microphone applications.
Key features
•
Digital MEMS Microphone with PDM (pulse density modulation) output
•
Excellent acoustic performance with 63 dB SNR
•
Compatible with Microsoft Windows 8 and Intel Ultrabook Requirements for Digital Microphones
•
Tightly controlled sensitivity of -26 dBFS +/- 2 dB
•
Robust digital-output 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 in accordance with IEC61249-2-21
•
Thin
profile,
SMT packaging
•
Industry-standard package of 4.00 x 3.00 x 1.00 mm
Typical applications
•
Ultrabooks
•
Mobile phones
•
Media tablets
•
eReaders
•
Microphone arrays
•
Webcams and camera modules
Technology and components
57