Wcd9341 Datasheet !exclusive! Online

: Supports Qualcomm's "Golden Ear" customizable filters, allowing manufacturers to tune the audio output to specific hardware signatures.

, it is a standard component for repairing several high-end models: Samsung Series

| Parameter | Condition | Min | Typ | Max | Unit | |-----------|-----------|-----|-----|-----|------| | Supply Voltage (VDD_A) | Analog | 1.75 | 1.80 | 1.90 | V | | Supply Voltage (VDD_IO) | Digital I/O | 1.70 | 1.80 | 1.95 | V | | Dynamic Range (Stereo DAC) | 48 kHz, A-wtd | 125 | 130 | - | dB | | THD+N | 1 kHz, 0 dBFS | - | -108 | -105 | dB | | Crosstalk | 20 Hz – 20 kHz | -100 | - | - | dB | | Output Power (16Ω) | < 1% THD | 30 | 40 | 50 | mW | | Output Power (600Ω) | < 0.1% THD | 5 | 7 | 10 | mW | | Quiescent Current | Playback, 48 kHz | 25 | 30 | 40 | mA | | Shutdown Current | All clocks off | - | 10 | 50 | µA | wcd9341 datasheet

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

: The device detects a connected headset when none is plugged in. Its blend of high-resolution playback

Echo cancellation and noise suppression (ECNS) for multi-microphone arrays during voice calls. Audio Interfaces

: Includes a dedicated hardware block to process ANC algorithms, allowing for battery-free ANC headsets that draw power directly from the phone. Form Factor 154-pin SMD IC powerful on-board processing

The Qualcomm WCD9341 is a sophisticated piece of audio engineering that played a significant role in raising the bar for mobile audio quality. Its blend of high-resolution playback, powerful on-board processing, and flexible connectivity made it a benchmark in its class. For engineers and developers, the wealth of documentation, including mainline Linux driver support, provides a stable and well-understood platform for building high-fidelity audio products. While it has been succeeded by newer models, its technical capabilities continue to be relevant in understanding what a premium-tier audio codec can achieve.