DAC081C081CIMK/NOPB datasheet by Texas Instruments

DAC081C081CIMK/NOPB Frequently Asked Questions (FAQs)

• What is the recommended power-on sequence for the DAC081C081CIMK?
  The recommended power-on sequence is to apply VCC first, followed by VREF, and then the digital inputs. This ensures proper device operation and prevents potential latch-up conditions.
• How do I ensure accurate voltage output from the DAC081C081CIMK?
  To ensure accurate voltage output, it is essential to decouple the VREF pin with a capacitor (e.g., 10 nF) to ground, and use a low-impedance voltage reference source. Additionally, ensure that the output load is within the specified range (e.g., 5 kΩ to 10 kΩ).
• What is the maximum clock frequency for the DAC081C081CIMK?
  The maximum clock frequency for the DAC081C081CIMK is 40 MHz. Exceeding this frequency may result in incorrect data transfer and potential device malfunction.
• 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 (Clear) pin is used to reset the DAC output to a zero-scale voltage (typically 0 V). To use the CLR pin, pull it low for at least 10 ns to reset the output. The CLR pin can be used to initialize the DAC or to reset the output during power-on or fault conditions.