Active Noise Cancellation
ams' ANC solutions address ReceivePathActive Noise Cancelling with the objective to improve sound quality in and around portable consumer devices by reducing background ambient noise. The portfolio covers both feedforward and feedback topologies in both single ended stereo and mono BTL applications.
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| Experience how Active Noise Cancelling reduces unwanted environmental noise to enhance the clarity of sound with our ANC Demo |
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 |
||||||||||
| AS3420 | Mono Bluetooth ANC Solution |
|
$ 1.95 | Receive path |
Feedforward or feedback |
Mono BTL |
125 |
>100, <0.1% |
>20 |
1.0 to 1.8 |
QFN20 (4x4mm) |
||
| AS3400 | Single channel (differential) ANC solution for Accessories |
|
$ 2.10 | Receive path |
Feedforward or feedback |
Mono BTL |
125 |
>100, <0.1% |
>20 |
1.0 to 1.8 |
QFN24 (4x4mm) |
||
| AS3501 | Feedforward ANC solution for Embedded systems |
|
$ 2.20 | Receive path |
Feedforward |
Stereo/BTL |
125 |
>100dB, <0.1% |
>20 |
1.0 to 1.8 |
QFN24 (4x4mm) |
||
| AS3430 | Feedback ANC solution for Accessories |
|
$ 3.80 | Receive path |
Feedback |
Stereo/BTL |
125 |
>100dB, <0.1% |
>15 |
1.0 to 1.8 |
QFN32 (5x5mm) |
||
| AS3410 | Feedforward ANC solution for Accessories |
|
$ 2.50 | Receive path |
Feedworward |
Stereo/BTL |
125 |
>100dB, <0.1% |
>20 |
1.0 to 1.8 |
QFN24 (4x4mm) |
||
| AS3502 | Feedback ANC solution for Embedded systems |
|
$ 3.70 | 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 due to package types and international prices may differ due to local duties, taxes, fees, and exchange rates.