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Active Noise Cancellation

ams analog and digital Active Noise Cancellation (ANC) solutions deliver class leading ambient noise reduction, significantly improving sound quality for portable consumer devices.

PartNo Description Function Topology Output Type Max. Output Power SNR, THD ANC Performance Supply Voltage Package
AS3460 Digital Augmented Hearing Digital ANC and Augmented Hearing FF, FB, Hybrid Stereo Fully Differential 30mW@32 Ohm load; 50mW@16 Ohm load 110dB, 80dB @10mW output power (32 Ohm load) >40dB 1.8V (typ) FBGA36
AS3435 Active noise cancellation solutions for stereo headsets Receive path Feedforward, feedback, and hybrid Stereo/ SE / Mono BTL with bypass 150mW mono differential @ 16 Ohm load; 110mW mono differential @ 32 Ohm load >106dB, <0.1% (SE, 34mW, 32 Ohm) >25dB 1.0V to 1.8V QFN-36 (5x5)
AS3418 Enhanced ultra-small ANC speaker driver Receive path Feedforward Stereo/BTL 130mW (Mono Differential; 32 Ohm load) 118.5dB, 0.007% (SE, 30mW, 32 Ohm load) >30dB 1.4V to 1.8V WL-CSP30 package (2.645mm x 2.545mm; 0.4mm pitch)
AS3415 Active noise cancellation solutions for stereo headsets Receive path Feedforward Stereo/BTL 150mW mono differential @ 16 Ohm load; 110mW mono differential @ 32 Ohm load >110dB, 0.1% (SE, 34mW, 32 Ohm) >20dB 1.0V to 1.8V QFN-32 (5x5)
AS3412 Ultra small ANC speaker driver Receive path Feedforward Stereo/BTL 50mW mono differential @16 Ohm load; 34mW mono differential @32 Ohm load >112dB, 0.008% (single ended, 10mW, 32 Ohm load) >30dB >30dB WL-CSP25 (2.2x2.2)