AS3412 Active Noise Cancellation
Ultra small ANC speaker driver
Features
- 30dB noise reduction achievable
- Integrated bypass switches
- Up to 34mW stereo output power
- Full digital control
- Support of feedforward topology
- WL-CSP 2.2x2.2mm package; 0.4mm pitch
Benefits
- No mechanical switch for passive playback
- Reduced hiss noise level
- Ultra small PCB size
Product parameters
Function | Receive path |
---|---|
Topology | Feedforward |
Output Type | Stereo/BTL |
Max. Output Power | 50mW mono differential @16 Ohm load; 34mW mono differential @32 Ohm load |
SNR, THD | >112dB, 0.008% (single ended, 10mW, 32 Ohm load) |
ANC Performance | >30dB |
Supply Voltage | 1.6V to 1.8V |
Package | WL-CSP25 (2.2x2.2) |

General Description
Analog ANC solution
Active Noise Cancellation technology maximizes the end-user experience in today's advanced world of mobile communications, enabling crystal clear sound during phone conversations or music listening regardless of the surrounding environment noise.
A highly integrated system in combination with lowest power consumption on the market plus a cost-effective price model makes the AS3412 ideally suited for smartphones or other mobile devices.
The AS3412 is targeting feed-forward topology and is able to effectively reduce ambient noise up to 3 kHz. Used in a true wireless ear piece AS3412 even enables state of the art hybrid noise cancellation.

This product suits for the following applications:
- Mobile accessory
- Stereo on-ear headsets
- Stereo earpieces
- Multimedia devices

Tools
Title | Category | Headline | Buy |
---|---|---|---|
AS3412EvalKit | Application Board | Evaluation Kit for AS3412 |
Technical Documents
Type | Description | Language | ||
---|---|---|---|---|
Datasheet | Document version 1-00 | English |
Notifications
Type | Description | Language | ||
---|---|---|---|---|
Product Change Notification | CN43-2020 (issued 2020-Aug) | English |
Other Information
Type | Description | Language | ||
---|---|---|---|---|
Block Diagram | AS3412 Block Diagram | English | ||
Factsheet | Active Noise Cancellation | English |