The WM8974CGEFL/RV is an analog-to-digital and digital to-analog converter produced by Cirrus Logic with speaker interface Codecs Mono Codec. It is designed as a single channel, low power audio codec, featuring both analogue and digital inputs and output ports. It features record path AFE with a microphone amplifier port and a speaker amplifier port with DC-remove filters, digital power amplifier control and 5bit programmable attenuation. It also includes a programmable sidetone mixer path for line-out application. The WM8974CGEFL/RV is capable of operating at clock rates up to 13MHz, making it suitable for use in a variety of audio products, including mobile phones, tablet PCs, digital cameras, and other portable devices.