Wcd9341 Datasheet →

Includes an integrated DSP for always-on voice UI (supporting two simultaneous wake-up words) with ultra-low power consumption .

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Analog Inputs ──┬── ADC0 (Main Mic) ├── ADC1 (Secondary Mic) ├── ADC2 (ANC/Reference) └── ADC3 (Line-in/Headset detect) ↓ Digital Decimation Filters ↓ ┌─────────────────────────┐ │ Audio DSP (Qualcomm Hexagon, 240 MHz) │ │ - FIR/IIR filters │ │ - Dynamic Range Control │ │ - Sample rate converter │ └─────────────────────────┘ ↓ ┌─────────────────────────┐ │ Hi-Fi DAC (32-bit, 384 kHz) │ │ - DSD direct path │ │ - 4th-order noise shaping │ └─────────────────────────┘ ↓ Class-H Headphone Amp (L+R) ↓ HP_L, HP_R output pins wcd9341 datasheet

: S8, S8 Plus, S10, S10 Plus, Note 8, and Note 9.

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 Includes an integrated DSP for always-on voice UI

This is where the codec truly shines. It is often paired with dedicated software to bypass the standard Android audio pipeline and provide a "bit-perfect" path for high-resolution tracks. This allows users to experience lossless FLAC, WAV, and even DSD audio files with minimal alteration, leveraging the codec's high dynamic range and low total harmonic distortion to reveal subtle details and nuances in recordings. The WCD9341 supports PCM audio up to , catering to the highest quality recordings available.

Serial Low-power Interchip Media Bus, utilized for legacy control and synchronized audio streaming. Analogue Front End (AFE) If you share with third parties, their policies apply

Multi-mic algorithms that isolate user speech during voice calls.

: Pulls 34 mW to maximize the dynamic range during high-impedance headphone playback.

Comprehensive Guide to the WCD9341 Audio Codec: Datasheet, Architecture, and Pinout Analysis