WM9094 Description
The WM9094[1] is a high performance low power audio subsystem, including headphone driver and Class AB/D earpiece/speaker driver. The Class D speaker driver supports 650mW output power at 3.6V, 1%THD. The unique dual mode charge pump architecture provides ground referenced headphone outputs removing the requirement for external coupling capacitors.
WM9094 Key Features
- Mono Class D speaker driver
- 2W at 5V SVDD @1%THD+N into 4Ω
- 650mW at 3.6V SVDD @1%THD+N into 8Ω
- 92dB SNR
- Ground referenced stereo headphone driver
- 34mW into 16Ω load @ 1% THD+N
- 96dB SNR
- 80dB THD+N
- Mono Class AB earpiece driver
- 40mW into 8Ω load