ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

AS3412 Active Noise Cancellation

Ultra small ANC Speaker Driver

 
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Integrated Active Noise Cancelling solution improves the quality of music listening, phone conversations etc. by significantly reducing background ambient noise. The first ultra-small IC specially created for the mobile accessory headset implementation. 

Key Features

  • 30dB noise reduction achievable
  • Integrated bypass switches
  • Up to 34mW stereo output power
  • Full digital control
  • Support of Feed Forward Topology
  • WL-CSP 2.2x2.2mm package; 0.4mm pitch

Key Benefits

  • No mechanical switch for passive playback
  • Reduced hiss noise level
  • Ultra small PCB size

Product Facts

Function Receive path
Topology Feed Forward
Output type Stereo/BTL
Max output power (BTL, 1.8V, 32 Ohm) [mW] 90
SNR, THD (SE, 34mW, 32Ohm) [dB] 112,5
ANC performance [dB] >30
Supply voltage [V] 1.8 - 1.6
Package 2.2x2.2mm package; 0.4mm pitch

Additional Information

Applications
  • Mobile accessory
  • Stereo On-Ear headsets
  • Stereo Earpieces
  • Multimedia devices