Wcd9341 Datasheet Official
| Pin Group | Function | Key Pins | |-----------|----------|-----------| | Analog Inputs | MIC Bias, Line-in, Headset Mic | MICBIAS1, MICBIAS2, IN1P/N, IN2P/N | | Analog Outputs | HPH L/R, Line-out, Earpiece | HPH_L, HPH_R, LINEOUT_L/R, EAR_P/N | | Digital Audio | I2S, PCM, TDM | I2S_BCLK, I2S_LRCLK, I2S_DIN, I2S_DOUT | | Control | I2C (Slave) | I2C_SCL, I2C_SDA | | Power | Supply rails | VDD_IO (1.8V), VDD_A (1.8V), VDD_D (0.9V) | | Clock | Master clock | MCLK (19.2 MHz, 24 MHz, or 38.4 MHz) |
A standard WCD9341 datasheet reveals a complex internal architecture. Here is what you will find on Page 2 or 3 of the document: wcd9341 datasheet
Unlike standard codecs, the WCD9341 features a powerful integrated headphone amplifier. The datasheet typically lists: | Pin Group | Function | Key Pins
Despite being released in 2018, the WCD9341 remains relevant. The datasheet lists four primary use cases: The datasheet lists four primary use cases: Immersive
Immersive clarity at approximately -109 dB.
Echo cancellation and noise suppression (ECNS) for multi-microphone arrays during voice calls. Audio Interfaces