DAC908E datasheet by Texas Instruments

DAC908E Frequently Asked Questions (FAQs)

• What is the maximum output current of the DAC908E?
  The maximum output current of the DAC908E is 5mA per channel.
• How do I ensure monotonicity in the DAC908E?
  To ensure monotonicity in the DAC908E, use a clock frequency of at least 10 times the update rate, and ensure that the input data is properly synchronized with the clock signal.
• What is the effect of temperature on the DAC908E's performance?
  The DAC908E's performance is affected by temperature, with a typical drift of 5ppm/°C. It is recommended to use a temperature range of -40°C to 85°C for optimal performance.
• How do I handle the DAC908E's power-on reset (POR) and brown-out reset (BOR)?
  The DAC908E has a built-in POR and BOR circuitry. To handle POR and BOR, ensure that the power supply is stable and within the recommended operating range, and use an external reset circuit if necessary.
• What is the recommended layout and routing for the DAC908E?
  For optimal performance, use a four-layer PCB with a solid ground plane, and keep the analog and digital signals separate. Use short, direct traces for the analog output, and avoid crossing digital signals over the analog output traces.