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