WM8991 Overview
The WM8991 is a highly integrated ultra-low power hi-fi codec designed for handsets rich in multimedia.
WM8991 Key Features
- 1W into 8Ω BTL speaker at <0.1% THD
- 80dB PSRR @217Hz
- <1uA leakage with direct battery connection
- Software-selectable class D or AB mode
- Filterless connection supported
- Pop/Click suppression Headphone / ear speaker drivers
- 40mW output power into 16Ω at 3.3V
- Fully differential and capless modes supported
- Pop/Click suppression 4 Mono or stereo differential line outputs Powerful GPIO functions Ultra-low power consumption
- 8.3mW analogue voice call