productfeatures

cd quality audio performance
» dac 100dB snr, 88dB thd (‘A’ weighted @ 48kHz)
» adc 97dB snr, 85dB thd (WM8731 only)
independent stereo line and headphone outputs
» headphone output power: 40mW on 16Ω load
» volume and mute controls
low supply voltage
» 1.42 – 3.6V digital supply
» 1.8 – 3.6V analogue supply for low-voltage parts
» 2.7 – 3.6V analogue supply for standard parts
very low power
» playback only: 9mW @ 1.8V, 18mW @ 3.3V
» simultaneous playback & record: 18mW @ 1.8V, 36mW @ 3.3V
» standby: 30µW
programmable sample rates :: 8, 32, 44.1, 48, 88.2, 96kHz
on-chip clock generator (WM8711 and WM8731 only)
programmable audio data interface
» i2s, left/right justified or dsp modes
» 16/20/24/32-bit word lengths
» master or slave clocking mode
2 or 3-wire serial control interface
temperature range :: –10°C to +70°C

productapplications

mp3 players and recorders
mobile information devices
palmtops
web browsers
mobile phones with mp3
digital camcorders and cameras
usb headsets

all battery powered systems incorporating digital audio