Wcd9341 Datasheet <PC SAFE>
: Engineered for extremely low Total Harmonic Distortion plus Noise to provide "pure, premium sound".
mobile platform. It is widely used in flagship devices like the Samsung Galaxy S8 Key Specifications Audio Quality : Supports playback of up to 384 kHz / 32-bit PCM audio and native DSD (Direct Stream Digital) Performance
Because Qualcomm components are proprietary, full production datasheets are generally distributed under strict Non-Disclosure Agreements (NDAs). However, hardware developers can find essential implementation details, register allocations, and pin maps via: wcd9341 datasheet
-109 dB (0.00035%) PCM Audio Support: Up to 384 kHz / 32-bit DSD Audio Support: Native DSD64 and DSD128 playback
The (marketed under the Qualcomm Aqstic brand) is a high-performance audio codec IC integrated into flagship smartphones powered by the Snapdragon 835 and 845 platforms, such as the Samsung Galaxy S8 , Note 8, and Xiaomi Mi Note 2. Key Technical Specifications : Engineered for extremely low Total Harmonic Distortion
Serial Low-power Interchip Media Bus, utilized for legacy control and synchronized audio streaming. Analogue Front End (AFE)
| Parameter | Value | |--------------------------|--------------------------------| | DAC SNR (A-weighted) | 128 dB | | THD+N (DAC) | -108 dB | | ADC SNR (Mic input) | 102 dB | | Headphone Output Power | 2 × 40 mW into 32Ω @ 1% THD | | Supply Voltage (Analog) | 1.8 V / 1.2 V (internal LDO) | | Digital I/O Voltage | 1.2 V – 1.8 V (programmable) | | Package | 81-ball WLCSP (0.4 mm pitch) | It was most notably found in devices utilizing
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.
Optimized to prevent premature battery drain, crucial for high-resolution audio streaming.
Measured stopband attenuation: –85 dB @ 22.05 kHz (44.1 kHz sample rate) – adequate but not high-end.
The chip features 154 pins, designed for precise soldering in compact mobile devices. 2. Technical Audio Specifications (DAC & ADC)
