Cirrus Logic Inc. WM8915ECSN/R

Description
The WM8915 is an ultra-low power mobile CODEC designed for music phones requiring high quality voice and music playback.
Four DAC channels with 99dB SNR ('A' weighted)
Four Class W ground-referenced headphone/line outputs
4-channel PDM digital inputs (digital microphone support)
2-channel PDM digital outputs (digital speaker amp support)
Advanced 3.5mm accessory interface
Up to seven headset buttons supported
Accessory type detection and load impedance sense
Ultra-low power plug-in detect and button monitor
MICBIAS with dedicated LDO for ultra-high PSRR
Programmable digital audio interface
All standard data formats supported
Multi-channel mixed rate TDM support
Standard sample rates up to 48kHz
Second interface to allow data pass-through
5mW total power consumption in playback mode
Low power FLL
Provides all necessary internal clocks
32kHz to 34MHz input frequency support
2-wire control interface
54-pin W-CSP package (3.24 x 3.56 x 0.58mm, 0.4mm pitch)

Features
4-channel DAC with 99dB SNR ('A' weighted)
Four Class W ground-referenced headphone/line outputs
4-channel PDM digital inputs (digital microphone support)
2-channel PDM digital outputs (digital speaker amp support)
Advanced 3.5mm accessory interface
Up to seven headset buttons supported
Accessory type detection and load impedance sense
Ultra-low power plug-in detect and button monitor
MICBIAS with dedicated LDO for ultra-high PSRR
Programmable digital audio interface
All standard data formats supported
Multi-channel mixed rate TDM support
Standard sample rates up to 48kHz
Second interface to allow data pass-through
5mW total power consumption in playback mode
Low power FLL
Provides all necessary internal clocks
32kHz to 34MHz input frequency support
2-wire control interface
54-pin W-CSP package (3.24 x 3.56 x 0.58mm, 0.4mm pitch)

Applications
Music phones
General purpose low power portable CODEC applications