AS3420 ACTIVE NOISE CANCELLATION

AUDIO

AS3420 ACTIVE NOISE CANCELLATION

Mono Bluetooth ANC Solution

Integrated Active Noise Cancellation solution addressing feedforward and feedback architectures for Mono wireless headsets, such as unified communications solutions and phone applications.

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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

AS3420 APPLICATIONS

Mono Wireless Headsets

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AS3420 PRODUCT FACTS

FunctionReceive path
TopologyFeedforward or feedback
Output typeMono 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
PackageQFN-20 (4x4)