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

AS3430 Active Noise Cancellation

Feedback ANC solution for accessories

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

Key Features

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

Key Benefits

  • 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
Max output power (BTL, 1.8V, 32 Ohm) [mW] 125
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)

Additional Information

  • Headsets (Over-ear, On-ear and In-ear)
  • Hands-free kits
  • BT headsets

ams' ANC solutions address ReceivePathActiveNoiseCancellation with the objective to improve sound quality in and around portable consumer devices by reducing background ambient noise. The portfolio covers both feedforward and feedback topologies in both single ended stereo and mono BTL applications.


AS3501/02 wins EDN China Innovation Award

ams AS3501/02 ANC solution to win EDN China's Annual Innovation Awards Competition

austriamicrosystems to win EDN China Innovation award 2010 - leading poduct