
Wolfson Microelectronics plc
DESCRIPTION
The WM8734 is a low power stereo CODEC ideal for MD, CD-RW machines and DAT recording applications.
Stereo line inputs are provided, along with a mute function and programmable line level volume control.
Stereo 24-bit multi-bit sigma delta ADCs and DACs are used with oversampling digital interpolation and decimation filters.
FEATURES
• Audio Performance
− 90dB SNR (‘A’ weighted @ 48kHz) ADC
− 100dB SNR (‘A’ weighted @ 48kHz) DAC
− 2.7 – 3.6V Digital Supply Operation
− 2.7 – 3.6V Analogue Supply Operation
• ADC and DAC Sampling Frequency: 8kHz – 96kHz
• Selectable ADC High Pass Filter
• 2 or 3-Wire MPU Serial Control Interface
• Programmable Audio Data Interface Modes
− I2S, Left, Right Justified or DSP
− 16/20/24/32 bit Word Lengths
− Master or Slave Clocking Mode
• Stereo Audio Inputs and Outputs
• 20-lead SSOP or 5x5mm QFN Package Options
APPLICATIONS
• CD and Minidisc Recorder
• MP3 Player / Recorder