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DA7219 Datasheet(PDF) 1 Page - Dialog Semiconductor |
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DA7219 Datasheet(HTML) 1 Page - Dialog Semiconductor |
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1 / 123 page  DA7219 Audio codec with Advanced Accessory Detect Company confidential Datasheet Revision 2.1 17-Dec-2015 1 of 123 © 2015 Dialog Semiconductor General 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 dB 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 dB 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 testing ■ A microphone input with ALC (automatic level control) ■ Digital Sidetone path with gain ■ Digital tone generator ■ System controller for simplified pop-free start-up and shutdown ■ Single interface 24 kHz ADC/48 kHz DAC mixed sample rates supported ■ 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 3.4 MHz ■ WL-CSP RouteEasy™ package for low cost PCB manufacture Applications ■ Chromebooks ■ Portable audio applications ■ Tablets and eBooks ■ Headphone accessories ■ Remote controllers ■ Gaming controllers |
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