AS3422 ACTIVE NOISE CANCELLATION

AUDIO

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.

DOWNLOAD DATASHEET

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 efficiency

AS3422 APPLICATIONS

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

AS3422 PRODUCT FACTS

FunctionReceive path
TopologyFeedback
Output typeStereo 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
PackageQFN-32 (5x5)