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DESCRIPTION
The WM8985 is a low power, high quality, feature-rich stereo codec designed for portable multimedia applications that require low power consumption and high quality audio. The device integrates preamps for stereo differential mics, and includes class D and class AB drivers for headphone and differential or stereo line output. External component requirements are reduced as no separate microphone or headphone amplifiers are required. Advanced DSP features include a 5-band equaliser, an ALC/limiter for the microphone or line input through the ADC and a digital playback limiter. Additional digital filtering options are available in the ADC path, to cater for application filtering such as ‘wind noise reduction’ and a programmable notch filter.
WM8985 Datasheet
