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

AS3435 Active Noise Cancellation

Active noise cancellation solutions for stereo headsets

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Integrated Active Noise Cancellation solution with integrated bypass function addressing feedback and hybrid architectures for Stereo wired headsets, suitable for music, video or mobile use.

Key Features

  • Bypass function
  • >20dB noise reduction achievable
  • High quality audio chain
  • Fully electronic calibration
  • Single Cell (AA/AAA) or 1.0V - 1.8V supply

Key Benefits

  • Listen to audio even without power
  • Superior performance
  • Pure, unadulterated audio
  • No manual intervention during production
  • Unparalleled battery life

Product Facts

Function Receive path
Topology Feedback
Output type Stereo/ SE / Mono BTL with Bypass
Max output power (BTL, 1.8V, 32 Ohm) [mW] 125
SNR, THD (SE, 34mW, 32Ohm) [dB] >106, <0.1%
ANC performance [dB] >25
Supply voltage [V] 1.0 to 1.8
Package QFN-36 (5x5)

Additional Information


The devices are ideal for:

  • Ear pieces
  • Headsets
  • Hands-free kits
  • Mobile phones
  • Voice communicating devices