AS3435 Active Noise Cancellation
Active noise cancellation solutions for stereo headsets
Features
- Bypass function
- >20dB noise reduction achievable
- High quality audio chain
- Fully electronic calibration
- Single cell (AA/AAA) or 1.0V - 1.8V supply
Benefits
- Listen to audio even without power
- Superior performance
- Pure, unadulterated audio
- No manual intervention during production
- Unparalleled battery life
Product parameters
Function | Receive path |
---|---|
Topology | Feedforward, feedback, and hybrid |
Output Type | Stereo/ SE / Mono BTL with bypass |
Max. Output Power | 150mW mono differential @ 16 Ohm load; 110mW mono differential @ 32 Ohm load |
SNR, THD | >106dB, <0.1% (SE, 34mW, 32 Ohm) |
ANC Performance | >25dB |
Supply Voltage | 1.0V to 1.8V |
Package | QFN-36 (5x5) |

General description
Analog ANC solution
Integrated active noise cancellation solution with integrated bypass function addressing feedback and hybrid architectures for stereo wired headsets, suitable for music, video or mobile use.

This product suits for the following applications:
- Earpieces
- Headsets
- Hands-free kits
- Mobile phones
- Voice communicating devices

Tools
Title | Category | Headline | Buy |
---|---|---|---|
AS3435EvalKit | Application Board | Evaluation Kit for AS3435 |
Environmental documents
Type | Description | Language | ||
---|---|---|---|---|
Material Declaration Form | MDF_191150017_AS3435-EQFP | English | ||
Material Declaration Form | MDF_191150017_AS3435-EQFM | English | ||
RoHS Certificate | RoHS Certificate AS3415/AS3435 | English |
Notifications
Type | Description | Language | ||
---|---|---|---|---|
Product Change Notification | PCN16-2017 (AS3415, AS3435) | English | ||
Product Change Notification | PCN31-2014 (AS3911B, AS3415, AS3435) | English |
Other information
Type | Description | Language | ||
---|---|---|---|---|
Block Diagram | AS3435 Block Diagram | English | ||
Factsheet | Enhanced Low Noise ANC Headphone Speaker Driver | English |