Are you using this for or custom PCB system design ?
For hardware engineers and teardown specialists, the WCD9341 is a marvel of miniaturization. It is packaged in an ultra-compact, wafer-level picoscale package (WLCSP), which minimizes the physical footprint on the printed circuit board (PCB). This compact design is what allows modern, thin-bezel smartphones to pack studio-grade audio hardware without sacrificing space for larger batteries or camera modules. Summary: A Benchmark in Mobile Audio
From the datasheet’s functional block diagram: wcd9341 datasheet
decoupling capacitors as close to the VDD pins as physically possible. Long PCB traces introduce trace inductance that degrades audio performance.
| 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 | Are you using this for or custom PCB system design
For any engineer requesting the WCD9341 datasheet, the electrical specs are the most critical section. Below are typical values based on characterization reports:
The WCD9341 maintains superior dynamic range and THD+N compared to later models, though newer versions have improved power efficiency. This compact design is what allows modern, thin-bezel
Here’s a technical write-up focused on the , structured to be informative for engineers, developers, or hobbyists looking for a datasheet-style overview.
Future work on the WCD9341 may include: