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General Description
Figure 1: Added Value of Using AS3412
Benefits
• Low noise floor • Integrated music bypass switch • Smallest ANC form factor
AS3412
Ultra Small ANC Speaker Driver
The AS3412 is a speaker driver with Ambient Noise Cancelling function for headsets, headphones or ear pieces. They are intended to improve quality of e.g. music listening, a phone conversation etc. by reducing background ambient noise. The fully analog implementation allows the lowest power consumption, lowest system BOM cost and most natural received voice enhancement otherwise difficult to achieve with DSP implementations. The device is designed to be easily applied to existing architectures. An internal OTP-ROM can be optionally used to store the microphones gain calibration settings.
AS3412 Datasheet
