Based on typical application notes paired with the WCD9341 datasheet, integrating this codec into a custom PCB requires attention to:
: Low-noise bias pins and inputs for multiple microphones. EAR_OUT : Signal line for the earpiece speaker. Power Supply Rails Digital Core Voltage (VDD_DIG) Analogue Audio Voltage (VDD_ANA) Charge Pump Voltage Supply (VDD_CP) 🔧 Common Fault Symptoms and Diagnostics
: Primarily used in high-end mobile devices and IoT applications requiring professional-grade audio processing. Common Use Cases & Sourcing wcd9341 datasheet
It leverages advanced SoundWire digital interfaces, enabling high-bandwidth, multi-channel communication with reduced pin count, which is critical for tightly packed smartphone motherboards. 3. High-Performance ADC for Recording
Differential or single-ended connections for up to 6 microphones. Headphone Outputs Left and right ground-referenced headphone driver lines. EAR_P / EAR_M Earpiece Output Based on typical application notes paired with the
Manufactured on a highly efficient , the WCD9341 balances ultra-low thermal dissipation with high computational performance. The integrated Digital-to-Analog Converter (DAC) and Analog-to-Digital Converter (ADC) topologies deliver high-fidelity audio recording and playback metrics directly out of mobile form factors: Playback Performance (DAC) Recording Performance (ADC) Dynamic Range Up to 130 dB Up to 109 dB Total Harmonic Distortion (THD+N) PCM Resolution Support 16-bit / 24-bit / 32-bit 16-bit / 24-bit Max Sampling Rate Up to 384 kHz Up to 192 kHz Native DSD Formats DSD64, DSD128, DXD Core Power Profile
WCD9341 Datasheet: A Comprehensive Guide to Qualcomm’s High-End Audio Codec Common Use Cases & Sourcing It leverages advanced
Standardized MIPI SoundWire digital interface used to communicate with the host processor for control and data.
: It is a frequently replaced component in Samsung Galaxy S8/Note 8 models when audio output fails.