Slim CODEC with Advanced Accessory Detect

The DA7219 is an audio CODEC with in-built advancedaccessory detection (AAD) for mobile computing and accessoryapplications. This product contains a mono microphone toADC path with audio activity detection, and a stereo DAC toHP path. The AAD block supports 3 and 4 pole jacks, allowsthe automatic polarity switching of MIC/GND on CTIA or OMTPheadsets and also supports automatic button detection.

• High performance mono microphone to ADC record path with 90 dB SNR.
  • ADC digital filters with audio and voice mode high-pass characteristics
• High performance stereo DAC to headphone playback path with 100 dB SNR.
  • DAC digital filters with audio and voice mode high-pass cutoff and 5-band equaliser
• Advanced Accessory Detection supports
  • Three/four pole jack detection
  • MIC-Ground polarity switching
  • Multiple button detection
• A hybrid analogue/digital automatic level control to dynamically control record level.
• Digital Sidetone path with gain
• Digital Tonegen with S-Ramp
• System controller for simplified pop-free startup and shutdown.
• Separate 24 kHz ADC/48 kHz DAC sample rates available
• Shutdown mode for very low current consumption during standby
• Phase-locked loop with sample rate tracking to generate system clock.
• 4-wire digital audio interface with support for I2S, TDM and other audio formats.
• 2-wire I2C compatible with support for High Speed mode up to 3.4MHz