WM8940 Overview
The WM8940 is a low power, high quality mono CODEC designed for portable applications such as digital still cameras or camcorders. 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.
WM8940 Key Features
- Mono CODEC
- Audio sample rates:8, 11.025, 16, 22.05, 24, 32, 44.1, 48kHz
- DAC SNR 98dB, THD -84dB (‘A’-weighted @ 8
- 48ks/s)
- ADC SNR 94dB, THD -80dB (‘A’-weighted @ 8
- 48ks/s)
- On-chip Headphone/Speaker Driver
- 40mW output power into 16
- BTL speaker drive 0.4W into 8
- Additional MONO Line output
