The recommended power-up sequence is to power up the analog supply (AVDD) first, followed by the digital supply (DVDD), and then the clock signal. This ensures proper initialization of the device.
To optimize performance, use a low-noise power supply, decouple the analog and digital supplies, and use a high-quality clock source. Additionally, ensure that the output load is properly terminated and that the output voltage range is within the specified limits.
The maximum clock frequency is 1.5 GHz, but it's recommended to use a clock frequency of 1.2 GHz or less to ensure optimal performance and to minimize jitter and noise.
Yes, the DAC37J82IAAVR can be used in a multi-device configuration, but it's essential to ensure that each device has its own clock source and that the clock signals are properly synchronized to avoid phase noise and jitter.
Digital gain control can be implemented using the device's internal gain control registers. The gain can be set to one of 32 possible values, ranging from -30 dB to 30 dB, in 1 dB increments.
DAC37J82IAAVR datasheet
by Texas Instruments
