High Quality • High Performance • Low Power

The NAU8421YG is a high quality 24-bit stereo DAC with 8 Vpp differential analog output capability, 128 dB SNR and -99 dB THDN.
This device includes an I²C control interface with additional pin selectable features and standalone operation.
The NAU8421YG operates from a 3.3V digital I/O supply voltage and an analog 5V supply voltage.
Additionally, the NAU8421YG includes automatic clock detection sequences for smooth power up & power down control.
This enables fast and efficient system integration.

• Feature
  

  Full 8 Vpp output using only 5 Vdc supply

  Fully differential analog outputs

  Low cost, small footprint package

  Automatic clock detection and output muting for power-on and no-signal conditions

  I²S slave supporting up to 192 kHz sample rate determined by clock frequency ratios

• Specifications
  

  Operating voltage: 3.0V to 5.5V

  Up to 192 kHz audio sample rate

  128 dB SNR A-weighted performance

  99 dB THD+N

  105 dB PSRR at 1 kHz

  140 dB channel separation at 1 kHz

  Package: Pb free 32-pin QFN

  Operating temperature range: -40 to +85°C

•  System Block Diagram