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 (BTL, 1.8V, 32 Ohm) [mW] | 90 |
| SNR, THD (SE, 34mW, 32 Ohm) [dB] | >112, 5% |
| ANC Performance [dB] | >30 |
| Supply Voltage [V] | 1.8 to 1.6 |
| Package | WL-CSP25 (2.2x2.2) |
General Description
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
| Name | Type | Description | Version | Language |
|---|---|---|---|---|
| AS3412_BD000136_1-00.png | Block Diagram | AS3412 Block Diagram | 1-00 | English |
| AS3412_DS000409_2-00.pdf | Datasheet | Document version 1-00 | 2-00 | English |
| AS3412_FS000192_1-00.pdf | Factsheet | Active Noise Cancellation | 1-00 | English |
| AS3412_PD000188_1-00.png | Other Product Document | AS3412EvalKit Image | 1-00 | English |
Related Boards
Evaluation Kit for AS3412
AS3412EvalKit
The AS3412 Evaluation Kit helps to accelerate time to market for stereo ANC headsets based on feedforward topology. User-friendly I2C communication interface is assembled on the AS3412 evaluation board. The technical documentation and the software comes conveniently in one box with the evaluation board.
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