The EVAL-ADAU1966Z is an evaluation board for evaluating the ADAU1966 high performance, low power, multibit sigma delta DAC. The evaluation board must be connected to an external 12V dc power supply and ground, the board draws approximately 150mA. On-board regulators derive 9V, 5V, and 3.3V supplies for the ADAU1966 and peripherals. The ADAU1966 can be controlled through either an I2C or SPI interface. A small external interface board, EVAL-ADUSB2EBZ, also called USBi, connects to a PC USB port and provides either I2C or SPI access to the evaluation board through a ribbon cable. A graphical user interface (GUI) program, the Automated Register Window Builder, is provided for easy programming of the chip in a Microsoft Windows PC environment. The board has an S/PDIF receiver with RCA and optical connectors, as well as a discrete serial audio interface that is available on the ADI system development platform (SDP) interface.
- 118dB DAC dynamic range and SNR, -98dB THD + N
- Differential voltage DAC output
- 2.5V digital and 3.3V or 5V analog and IO supplies
- 299mW total (19mW/channel) quiescent power at AVDD = 3.3V
- PLL generated or direct MCLK master clock
- SPI and I2C controllable for flexibility
- Linear regulator driver to generate digital supply
- Supports 24bit and 32KHz to 192KHz sample rates
- Low propagation 192KHz sample rate mode
- Log volume control with autoramp function
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