Wcd9341 Datasheet

Understanding the WCD9341 Audio Codec: A Comprehensive Technical Guide

The WCD9341 is housed in a package with either 107-ball or 110-ball configuration depending on the revision.

Multiple independent, low-noise microphone bias supplies to power electret condenser or MEMS microphones.

From the datasheet’s functional block diagram: wcd9341 datasheet

The WCD9341 is optimized for battery-powered mobile devices:

It is important to understand that the full, unabridged WCD9341 datasheet is on Qualcomm’s website. It is distributed only under a Non-Disclosure Agreement (NDA) with Qualcomm Technologies, Inc. To obtain it:

Operating a high-end DAC inside a smartphone requires intelligent power scaling to avoid draining the battery. It is distributed only under a Non-Disclosure Agreement

: Supports PCM audio up to 384-kHz/32-bit and native DSD (Direct Stream Digital) playback.

The Qualcomm WCD9341 is a high-performance audio codec from the Aqstic family, designed for high-fidelity audio on flagship Snapdragon 835 and 845 platforms. It supports native DSD playback and 384kHz/32-bit PCM, while offering integrated DSP for low-power voice wake-up and Multi-Button Headset Control. For a detailed overview of Qualcomm Aqstic audio, visit Review: Meze Rai Solo - Son-Vidéo.com le Blog

A typical initialization sequence (from the datasheet register map) includes: The Qualcomm WCD9341 is a high-performance audio codec

If you were to look at the official datasheet, the first sections would highlight the following core capabilities:

, 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