DA7219
DA7219 is Audio codec manufactured by Dialog Semiconductor.
description
The DA7219 is an audio codec with Advanced Accessory Detection (AAD).
DA7219 contains a mono microphone to ADC path, and a stereo DAC to HP path.
The AAD block supports three-pole (headphone) and four-pole (headset) jacks, and allows the automatic pin order switching of MIC/GND on CTIA or OMTP headsets. It also supports automatic button detection.
Key features
- High performance mono microphone to ADC record path with 90 d B SNR
- ADC digital filters with audio and voice mode high-pass characteristics
- A low-noise microphone bias regulator with programmable output
- High performance stereo DAC to headphone playback path with 100 d B SNR
- DAC digital filters with audio and voice mode high-pass cut-off and 5-band equaliser
- Advanced Accessory Detection supports
- Three/four pole jack detection
- MIC/GND polarity switching
- Multiple button detection
- Headphone impedance...
