Wcd9341 Datasheet [2021] -

| Feature | WCD9341 | WCD9335 (Predecessor) | WCD9385 (Successor) | ESS ES9218C (Competitor) | |---------|---------|------------------------|----------------------|----------------------------| | Max PCM | 32/384 | 24/192 | 32/384 | 32/384 | | DSD Support | Native DSD256 | No | Native DSD512 | DoP DSD128 | | SNR (DAC) | 130 dB | 115 dB | 132 dB | 130 dB | | THD+N | -108 dB | -105 dB | -110 dB | -115 dB | | Headphone Impedance | Up to 600Ω | Up to 300Ω | Up to 600Ω | Up to 600Ω | | Power Consumption | ~30 mA | ~25 mA | ~28 mA | ~40 mA (external) |

In a small, cluttered workshop nestled in the heart of a bustling city, a young engineer named Emma stumbled upon an obscure reference to the WCD9341 datasheet. She had been searching for an elusive part to complete her pet project, a retro-style gaming console. As she poured over the cryptic documentation, Emma became increasingly fascinated by the WCD9341's specifications.

Based on typical application notes paired with the WCD9341 datasheet, integrating this codec into a custom PCB requires attention to:

The , part of the Qualcomm Aqstic line, is a high-performance audio codec IC designed primarily for premium mobile devices like the Samsung Galaxy S8, S8 Plus, and Note 8. It is engineered to support high-fidelity (Hi-Fi) audio requirements and modern Voice UI platforms, offering features such as noise reduction and low power consumption in a compact Wafer Level Package (WLP). Technical Overview and Specifications

The is a high-performance audio codec designed by Qualcomm, primarily intended for use with their Snapdragon mobile platforms (specifically the Snapdragon 820, 821, 835, and 660 series). It is a successor to the WCD9335 and a predecessor to the WCD9340 and WCD9385. wcd9341 datasheet

The WCD9341 is a specialized integrated circuit that acts as the primary audio hub for advanced mobile ecosystems. Detailed technical specifications can be found through professional electronics suppliers and technical documents:

The WCD9341 is available in a small package (e.g., WLCSP) with a compact pinout.

Headphone outputs include built-in impedance sensing, allowing the system software to automatically adjust gain thresholds depending on whether a 16-ohm earbud or a 300-ohm studio headphone is plugged in. Software and Driver Stack

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In real-world use, the WCD9341 is often paired with external amplifiers, such as the Cirrus Logic CS35L41 , to drive more demanding headphones. While it is a durable Qualcomm component, failures in older devices often manifest as no sound or microphone issues, requiring specialized chip replacement by technicians. A new audio codec built with the help of Golden Ears

The WCD9341 is suitable for a wide range of audio applications, including:

The chip features 154 pins, designed for precise soldering in compact mobile devices. 2. Technical Audio Specifications (DAC & ADC)

Low power consumption profiles to extend mobile battery life. Based on typical application notes paired with the

No hardware datasheet is complete without mentioning software integration. The WCD9341 is typically controlled via:

Supports ultra-high-resolution audio playback.

Dedicated hardware block for ultra-low-power keyword detection Electrical Characteristics Digital Core Voltage ( Vdd_corecap V sub d d _ c o r e end-sub ): Typically 1.2V Analog Supply Voltage ( Vdd_anacap V sub d d _ a n a end-sub ): Typically 1.8V Speaker/Headphone Amp Supply: Configurable charge pump ( 1.8V1.8 cap V 4.0V4.0 cap V Operating Temperature Range: -40°C to +85°C 2. Block Diagram and Internal Architecture