The AS3422 is a low power ambient noise-cancelling speaker driver designed for headsets, headphones, and ear pieces. It features a fully analog implementation that minimizes power consumption and system costs while enhancing voice quality by reducing background noise. The device supports various configurations to optimize noise cancellation and filtering functions, utilizing both feed-forward and feedback topologies for effective noise reduction across different frequency ranges. Key specifications include a microphone input with 128 gain steps, a high-efficiency headphone amplifier capable of delivering 2x23mW at 0.1% THD+N, and a line input with pop-free gain settings. The AS3422 also offers an audio playback mode that allows users to switch between active noise cancellation (ANC) and off modes, ensuring low power usage when ANC is not needed. The device is packaged in a QFN32 format, making it suitable for compact designs in wireless audio applications.
Amplifier IC Headphones, 2-Channel (Stereo) Class AB 32-QFN (5x5)
IC AMP CLASS AB STEREO 32QFN
Amplifier IC Headphones, 2-Channel (Stereo) Class AB 32-QFN (5x5)
Amplifier IC Headphones, 2-Channel (Stereo) Class AB 32-QFN (5x5)
IC AMP CLASS AB STEREO 32QFN
| DigiKey | Lingto Electronic Limited | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|
| Product Category | Audio Amplifier Chips | Audio Amplifier Chips | Audio Amplifier Chips | Operational Amplifiers |
| Product Number | AS3422-ND | AS3422 | AS3422 | AS3422 |
| Product Name | Audio Amplifiers | Linear - Amplifiers - Audio | Audio Amplifiers | Integrated Circuits (ICs) - Linear - Amplifiers |
| RoHS Compliant | RoHS | RoHS | ||
| Supply Voltage (VS) | 1 to 1.8 volts | 1 to 1.8 volts | 1.8 to 1 volts | |
| Operating Temperature | -20 to 85 C (-4 to 185 F) | -20 to 85 C (-4 to 185 F) | -20 to 85 C (-4 to 185 F) | -20 to 85 C (-4 to 185 F) |
| Operation Class | Class AB | Class AB |
