DAC8806IDBR datasheet by Texas Instruments

DAC8806IDBR Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the DAC8806?
  The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital inputs. This ensures proper device operation and prevents latch-up.
• How do I handle the output voltage range of the DAC8806?
  The DAC8806 has a rail-to-rail output stage, but the output voltage range is limited to VOUT = VCC - 0.5V to VCC + 0.5V. Ensure that the output voltage is within this range to avoid output stage saturation.
• What is the effect of clock jitter on the DAC8806's performance?
  Clock jitter can affect the DAC8806's performance by introducing noise and distortion in the output signal. It is recommended to use a low-jitter clock source and to follow proper PCB layout and design practices to minimize clock jitter.
• How do I implement a bipolar output voltage range using the DAC8806?
  To implement a bipolar output voltage range, use an external op-amp to level-shift and amplify the DAC output. The op-amp can be configured to provide a gain of -1 to invert the output voltage and create a bipolar range.
• What is the maximum output current of the DAC8806?
  The maximum output current of the DAC8806 is 20mA. Ensure that the output current is within this limit to avoid overheating and device damage.