DESCRIPTION
The WM8959 is an ultra-low power hi-fi DAC designed for multimedia handsets.
A powerful 1W speaker driver can operate in class D or AB modes, providing total flexibility to the system designer. Low leakage, high PSRR and pop/click suppression enable direct battery connection for the speaker supply.

FEATURES
• DAC SNR 99dB (‘A’ weighted), THD -84dB at 48kHz, 3.3V
• Stereo microphone interface
• 1W Speaker driver
    - 1W into 8Ω BTL speaker at <0.1% THD
    - 80dB PSRR @ 217Hz
    - <1uA leakage with direct battery connection
    - Software-selectable class D or AB mode
    - Filterless connection supported
• Headphone / ear speaker drivers
    - 40mW output power into 16Ω at 3.3V
    - Fully differential and capless modes supported
    - Low noise, lower power received voice path
• Stereo or Mono differential line output
• Pop/Click suppression
• Powerful GPIO functions
• Ultra-low power consumption
    - 8.3mW analogue voice call
    - 13.7mW DAC playback to headphones
• On-chip PLL provides flexible clocking scheme
• Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48kHz
• 42-ball WCSP package (3.226x3.44x0.7mm, 0.5mm pitch)

APPLICATIONS
• Multimedia phones
• GPS