The WCD9341 was widely adopted in the premium smartphone market between 2017 and 2019. It was most notably found in devices utilizing the platform (e.g., Google Pixel 3, OnePlus 6, Samsung Galaxy S9/S9+ in certain regions) and the Snapdragon 855 platform.
: High-resolution playback up to 192kHz/24-bit or higher depending on the specific device implementation. Key Features and Capabilities
Drivers engineered for both high-efficiency speaker output and ultra-low-distortion headphone playback. Technical Specifications and Performance
| Feature | WCD9341 | Cirrus Logic CS47L35 | ESS ES9218P (Sabre) | |---------|---------|----------------------|----------------------| | DAC SNR | 126 dB | 124 dB | 127 dB | | Max PCM | 384 kHz | 192 kHz | 384 kHz | | DSD | Yes (256) | No | No | | Headphone amp | Class-H | Class-G | Class-H with THX AAA | | Integrated DSP | Yes (240 MHz) | Yes (low-power) | No | | Power @ 48 kHz | 22 mW | 18 mW | 28 mW (external LDO) | | Mobile integration | SLIMbus | SoundWire | I²S only | wcd9341 datasheet
, the WCD9341 is noted for its ability to deliver transparent audio quality that is often indistinguishable from high-end external DACs, making it a favorite for those using smartphones as their primary music players. Audio Science Review (ASR) Forum pinout diagrams for a specific repair, or more information on the driver support for this codec? WCD9341-0-154WLPSP-TR-01-0 | QUALCOMM
The datasheet specifies hardware accelerators for "always-on" voice detection. This allows the WCD9341 to listen for wake words (like "Ok Google" or "Hey Siri") while the main processor is in a deep sleep mode, significantly conserving battery life compared to keeping the main CPU awake.
Before you power up the chip, consult the "Absolute Maximum Ratings" table in the WCD9341 datasheet. Exceeding these values will destroy the IC:
The remains a benchmark in mobile Hi‑Fi audio codecs. Its combination of ultra‑wide dynamic range, extremely low distortion, native DSD support, and flexible digital interfaces made it the audio heart of many legendary smartphones. For engineers, the official datasheet and Linux kernel drivers provide all the information needed to integrate this chip into new designs; for repair technicians, the WCD9341 is a well‑known component with clear failure modes and replacement procedures. Whether you are developing the next generation of audio products or breathing new life into a classic flagship phone, the WCD9341 continues to deliver reference‑class sound quality.
The chip was developed to match the acoustic criteria of standalone Hi-Fi audio components. Its core capabilities include: Specification Details Qualcomm IC Model WCD9341 (also marked as WCD9341-001) Form Factor 154-pin BGA (Ball Grid Array) package PCM Audio Support Up to 384 kHz / 32-bit audio playback DSD Support Native DSD (Direct Stream Digital) audio decoding Low Noise Performance Ultra-low total harmonic distortion + noise (THD + N) Operating Application Flagship smartphones, enterprise computing 📌 Pinout & Physical Configuration The Go to product viewer dialog for this item.