ams AS3418 - Active Noise Cancellation

ams AS3418 - Active Noise Cancellation
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Description

Analog ANC solution


The AS3418 is ideally suited to enable ANC for true wireless earbuds due to its smallest size, lowest power consumption and best-in-class ANC. It improves the quality of music listening or phone conversations by reducing background ambient noise (>30dB). Because of its small system footprint, manufacturers are empowered to build ANC in very small and aesthetic form factors.
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Details

Features

  • Integrated music bypass switch
  • Low power consumption (<10mW@1.8V)
  • EEPROM memory for standalone mode
  • 118.5dB signal to noise ratio (Line->HPH)
  • I2C control interface
  • Mono differential line input support
  • TWS Hybrid ANC Support
  • WL-CSP30 package (2.645 x 2.545mm; 0.4mm pitch)

Benefits

  • Longest battery lifetime
  • Smallest PCB size (less than 0.5cm²)
  • Best-in-class ANC performance
  • Lowest hiss noise level
  • ANC level control
  • Ambient noise monitor mode

Parameters

Function
Receive path
SNR, THD
118.5dB, 0.007% (SE, 30mW, 32 Ohm load)
Max. Output Power
130mW (Mono Differential; 32 Ohm load)
Package
WL-CSP30 package (2.645mm x 2.545mm; 0.4mm pitch)
Output Type
Stereo/BTL
Topology
Feedforward
Supply Voltage
1.4V to 1.8V
ANC Performance
>30dB

Downloads

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Datasheets

AS3418 DS000507

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