Active Noise Cancellation

The AS3501/2 address Receive Path Active Noise Cancelling with the objective to improve sound quality in portable multimedia devices by reducing background ambient noise. The portfolio covers both feedforward and feedback topologies in both single ended stereo and mono BTL applications.

Part No.
Description
Datasheet
Price (1k)*
Buy
Sample
Function
Topology
Output Type
Max Output Power (BTL, 1.8V, 32 Ohm)
SNR, THD (SE, 34mW, 32Ohm)
ANC Performance
Supply Voltage
Package
            mW dB dB V
AS3501 Feedforward ANC with True Ground Stereo Headphone Driver Request $ 2.50     Receive path
Feedforward
Stereo/BTL
125
>100dB, <0.1%
>20
1.0 to 1.8
QFN24 (4x4mm)
AS3502 Feedback ANC with True Ground Stereo Headphone Driver Request $ 4.10     Receive path
Feedback
Stereo/BTL
125 >100dB, <0.1%
>15 1.0 to 1.8
QFN32 (5x5mm)

* This list pricing is BUDGETARY, for comparing similar parts. Prices are per unit on the basis of 1k pieces in U.S. dollars and subject to change, net of applicable taxes. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates.

Print Content Bookmark Page E-Mail Page

Where to Buy?

Get in touch with your nearest distributor or sales office

Distributors & Sales Offices
Need Help? Contact Us

Get in touch with our

Support Team

Customer Service Request