The recommended power-up sequence is to apply VCC first, followed by AVCC, and then DVCC. This ensures that the internal voltage regulators are powered up correctly.
To ensure accurate voltage output, it is essential to use a high-quality voltage reference, such as the Texas Instruments REF5025. Additionally, ensure that the output voltage is buffered with an op-amp, such as the OPA333, to prevent loading effects.
The maximum output current of the DAC7678 is 5 mA. Exceeding this current may cause damage to the device or affect its accuracy.
Yes, the DAC7678 can operate with a 3.3V supply voltage. However, the output voltage range will be limited to 0-3.3V. Ensure that the voltage reference used is compatible with the 3.3V supply voltage.
To implement a bipolar output voltage range, use an op-amp, such as the OPA333, in an inverting configuration. This will allow the DAC output to swing from -Vref to +Vref.
DAC7678SPWR datasheet
by Texas Instruments
