The WM8739 is a stereo audio ADC. The WM8739 is designed specifically for portable MP3 audio and speech players and recorders. The WM8739 is also ideal for MD, CD-RW machines and DAT recorders. Stereo line-level audio inputs are provided, along with a mute and volume function, and master or slave mode clocking schemes. The device also has a programmable high pass filter to remove residual DC offsets.