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AS3435 Active Noise Cancellation

Active noise cancellation solutions for stereo headsets


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


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

Product parameters

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, 32 Ohm) [dB] >106, <0.1%
ANC Performance [dB] >25
Supply Voltage [V] 1.0 to 1.8
Package QFN-36 (5x5)

General Description

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.

This product suits for the following applications:

  • Earpieces
  • Headsets
  • Hands-free kits
  • Mobile phones
  • Voice communicating devices


Title Category Headline Buy
AS3435EvalKit Application Board Evaluation Kit for AS3435


Name Type Description Language Software ANC TrimBox Tool 1-2-0-0 English Software ANC TrimBox Tool 1-4-0-0 English Software Eval SW 1-1-12-0 English Software ANC TrimBox Tool 1-1-6-0 English Software Driver source v1.1.0 English Software ANC TrimBox Tool 1-3-6-0 English

Technical Documents

Name Type Description Version Language
AS3435_BD000138_1-00.png Block Diagram AS3435 Block Diagram 1-00 English
AS3415_AS3435_FS000193_1-00.pdf Factsheet Enhanced Low Noise ANC Headphone Speaker Driver 1-00 English
AS3435_PD000190_1-00.png Other Product Document AS3435EvalKit Image 1-00 English
AS34x5_PN000108_1-00.pdf Product Change Notification PCN16-2017 (AS3415, AS3435) 1-00 English
AS3415_AS3435_RC000123_1-00.pdf RoHS Certificate RoHS Certificate AS3415/AS3435 1-00 English

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