WM8955BL Description
The WM8955BL is a low power, high quality stereo DAC with integrated headphone and earpiece amplifiers, designed to reduce external ponent requirements in portable digital audio applications. The on-chip headphone amplifiers can deliver 40mW into a 16Ω load. Advanced on-chip digital signal processing performs bass and treble tone control.
WM8955BL Key Features
- DAC SNR 98dB, THD -86dB (‘A’ weighted @ 48kHz, 3.3V) On-chip Headphone Driver
- 40mW output power on 16Ω / 3.3V
- SNR 96dB, THD -79dB at 20mW with 16Ω load On-chip BTL Earpiece Driver (mono) Stereo and Mono Line-in mix into DAC output
- Down to 7mW for stereo playback (1.8V / 1.5V supplies)
- 10μW Shutdown Mode Low Supply Voltages
- Analogue and Digital I/O: 1.8V to 3.6V