Dell Chromebook 11 3380 - Key Features; Typical Applications

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 prole, 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
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