This technical guide provides a deep dive into the specifications, pinouts, repair troubleshooting, and technical architecture of the 🛠️ Overview of the WCD9341 Architecture The
According to performance metrics often associated with high-end Aqstic codecs, the WCD9341 provides exceptional audio quality.
The WCD9341 datasheet provides a detailed breakdown of the chip's specifications, including: wcd9341 datasheet
Accessing the complete datasheet can be challenging as it is not publicly available. To obtain the full document:
The is a premium, highly integrated audio codec that belongs to the company’s acclaimed Aqstic™ series. Designed to deliver an exceptional high‑fidelity (Hi‑Fi) audio experience, this codec was primarily paired with flagship mobile platforms such as the Qualcomm Snapdragon 835 and Snapdragon 845 . It powers the audio subsystems in many high‑end smartphones, tablets, and other portable devices, enabling studio‑grade sound recording, playback, and advanced voice processing. This technical guide provides a deep dive into
The WCD9341 maintains superior dynamic range and THD+N compared to later models, though newer versions have improved power efficiency.
System bi-directional data line and clock for Qualcomm AP link Digital I/O SoundWire bus interfaces for digital microphone clusters VBAT / VDD_CP Main battery supply and Charge Pump power rail connections 4. Application and Implementation Details System bi-directional data line and clock for Qualcomm
| Feature | | WCD9370 | WCD9375 | | :--- | :--- | :--- | :--- | | Playback Dynamic Range | 130 dB | 120 dB | 123 dB | | Playback THD+N | -109 dB | -96 dB | -105 dB | | Record Dynamic Range | 109 dB | 104 dB | 109 dB | | PCM Playback | 384 kHz / 32-bit | 192 kHz / 24-bit | 384 kHz / 32-bit | | Power (Hi-Perf) | 34 mW | 16.1 mW | 28.52 mW | | Power (Low) | 6 mW | 6 mW | 6 mW |
: Optimized for high-speed signal processing, reducing the delay between audio production and output. Power Efficiency
The WCD9341 is frequently integrated with platforms, but its standardised interfaces also allow it to be used with other application processors. For embedded Linux developers, the codec is fully supported by the mainline kernel:
: Integrated hardware support for high-performance active noise cancellation in headphones and headsets.