WM8711EDS中文资料portable digital audio solutions数据手册CirrusLogic规格书

描述 Description

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°Cproductapplications
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

特性 Features

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°Cproductapplications
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

应用 Application

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