DA7219
Description
The DA7219 is an ultra low-power audio codec with Advanced Accessory Detection (AAD), which supports sample rates up to 96 k Hz at 24-bit resolution. It contains a mono microphone to analog to digital converter (ADC) path, and a stereo digital to analog converter (DAC) to headphone (HP) path.
AAD supports the detection and identification of 3-pole (headphone) and 4-pole (headset) jacks, and allows the automatic pin order switching of MIC/GND on CTIA or OMTP headsets. It also supports automatic multiple button detection.
Key Features
- Android Wired Headset v1.1 pliant
- Microphone input with automatic level control
- High performance mono microphone to ADC
- Digital sidetone path with gain record path with 90 d B SNR
- Digital tone generator
- ADC digital filters with Audio and Voice
- System controller for simplified pop-free start- mode high-pass characteristics up and shut-down
- Low-noise microphone bias regulator with
- Mixed sample rates of 24 k Hz ADC, 48 k...
