Datasheet Summary
Mono CODEC with Speaker Driver
DESCRIPTION
The WM8974 is a low power, high quality mono CODEC designed for portable applications such as Digital Still Camera or Digital Voice Recorder.
The device integrates support for a differential or single ended mic, and includes drivers for speakers or headphone, and mono line output. External ponent requirements are reduced as no separate microphone or headphone amplifiers are required.
Advanced Sigma Delta Converters are used along with digital decimation and interpolation filters to give high quality audio at sample rates from 8 to 48ks/s. Additional digital filtering options are available in the ADC path, to cater for application...