• Precision Measurement Technologies
  • Technology Center for

AS3422 Active Noise Cancellation

Low Power Ambient Noise Cancellation Speaker Driver

Integrated Active Noise Cancellation solution addressing feedback architecture for Stereo wireless headsets, suitable for music, video or mobile use.

Key Features

  • >20dB noise reduction achievable
  • High quality audio chain
  • Fully electronic calibration
  • Differential line inputs
  • 1.0V - 1.8V supply

Key Benefits

  • Superior performance
  • Pure, unadulterated audio
  • No manual intervention during production
  • Seamless connection to BT SoC's
  • Optimised system efficiancy

AS3422 Applications

The devices are ideal for wireless devices like sterio Bluetooth headsets as well as stereo wireless headsets.

AS3422 Product Facts

Function Receive path
Topology Feedback
Output Type Stereo SE
Max output power (BTL, 1.8V, 32 Ohm) [mW] SE: 35
SNR, THD (SE, 34mW, 32Ohm) [dB] >100, <0.1%
ANC performance [dB] >20
Supply voltage [V] 1.0 to 1.8
Package QFN-32 (5x5)