Wcd9341 Datasheet [top] -
The WCD9341 is engineered to minimize audio coloration. Its exceptionally low THD rating means the sound produced is incredibly faithful to the original recording.
Hardware-level, low-power voice wake word activation ("Always-on" listening). Hardware Pin Mapping & Interface Signal Protocols
Demystifying the WCD9341 Datasheet: Qualcomm Aqstic’s High-Fidelity Audio Powerhouse wcd9341 datasheet
| Metric | WCD9341 | WCD9375 | WCD9370 | | -------------------- | --------------- | ----------- | -------------- | | Dynamic Range (Playback) | | 123 dB | 120 dB | | THD+N (Playback) | −109 dB | −105 dB | −96 dB | | Dynamic Range (Recording) | 109 dB | 109 dB | 104 dB | | Hi‑Fi Power | 34 mW | 28.52 mW | 16.1 mW | | Low‑Power Listening | 6 mW | 6 mW | 6 mW | | Playback Resolution | 384 kHz/32‑bit | 384 kHz/32‑bit | 192 kHz/24‑bit |
Standard legacy interfaces reserved for debugging or interfacing with third-party Bluetooth/Wi-Fi chipsets. Power Management and Grounding The WCD9341 is engineered to minimize audio coloration
The specific you intend to use (SLIMbus, SoundWire, or I2S)
The WCD9341 is typically housed in a high-density Wafer-Level Chip Scale Package (WLCSP) to minimize PCB footprint. The pins are grouped into distinct functional interfaces: Data Interfaces : It functions as an audibly transparent DAC
: It boasts low THD+N (Total Harmonic Distortion + Noise) performance, minimizing signal degradation during playback.
: It functions as an audibly transparent DAC (Digital-to-Analog Converter) and amplifier, engineered to match or exceed the performance of professional-grade audio setups in mobile form factors. High Performance Metrics SNR & Dynamic Range
The is a high-tier discrete audio codec from the Qualcomm Aqstic line, primarily integrated with the Snapdragon 835 mobile platform . It is widely recognized as the audio engine for flagship devices like the Samsung Galaxy S8, Note 8, and Note 9 . Key Technical Specifications
The WCD9341 is targeted at high‑performance consumer electronics where audio quality is a key differentiator: