WM1811A Overview
FEATURES The WM1811A[1] is a highly integrated ultra-low power hi-fi CODEC designed for smartphones and other portable devices rich in multimedia features. An integrated stereo Class D speaker driver and Class W headphone driver minimize power consumption during audio playback. The device requires only two voltage supplies, with all other internal supply rails generated from integrated LDOs.
WM1811A Key Features
- 24-bit 2-channel hi-fi DAC and 2-channel hi-fi ADC
- 100dB SNR during DAC playback (‘A’ weighted)
- Smart MIC interface
- Power, clocking and data input for up to two digital MICs
- High performance analogue MIC interface
- MIC activity detect & interrupt allows processor to sleep
- Low power jack detection support
- Impedance sensing for accessory / push-button detection
- 2W stereo (2 x 2W) Class D speaker driver
- Capless Class W headphone drivers
