DAC8568IBPW datasheet by Texas Instruments

DAC8568IBPW Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the DAC8568?
  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 circuits are powered up in the correct order.
• How do I ensure accurate voltage output from the DAC8568?
  To ensure accurate voltage output, it is essential to use a stable and low-noise voltage reference, and to decouple the analog and digital supplies properly. Additionally, the output voltage should be buffered with an op-amp to prevent loading effects.
• What is the maximum output current of the DAC8568?
  The maximum output current of the DAC8568 is 5mA. Exceeding this current limit may cause damage to the device or affect its accuracy.
• How do I handle the SYNC pin during asynchronous updates?
  During asynchronous updates, the SYNC pin should be held low to prevent the DAC from updating the output voltage. When the SYNC pin is high, the DAC updates the output voltage based on the input data.
• What is the purpose of the CLR pin, and how do I use it?
  The CLR pin is used to clear the DAC output to a zero-scale voltage. To use it, pull the CLR pin low to clear the output, and then release it to allow the DAC to update the output voltage based on the input data.