The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital supply (DVCC). This ensures that the analog and digital sections of the device are powered up correctly.
To ensure accurate voltage output, it is essential to use a stable reference voltage, minimize noise on the analog input pins, and use a low-noise power supply. Additionally, the output voltage should be buffered with an op-amp to prevent loading effects.
The maximum output current of the DAC8568 is 5mA. Exceeding this current limit can cause damage to the device or affect its accuracy.
Yes, the DAC8568 can be used with a 3.3V digital supply. However, the device's digital inputs are 5V tolerant, so level shifting may be required if the digital signals are 5V.
To synchronize multiple DAC8568 devices, use the SYNC pin to synchronize the conversion process. The SYNC pin can be connected to a common clock signal or a trigger signal to ensure simultaneous conversion.
DAC8568IAPW datasheet
by Texas Instruments
