DAC8162TDSCT datasheet by Texas Instruments

DAC8162TDSCT Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the DAC8162?
  The recommended power-up sequence is to apply VDD first, followed by VREF, and then the digital supply (VCC). This ensures proper device operation and prevents potential latch-up conditions.
• How do I handle the DAC8162's output voltage range when using an external reference voltage?
  When using an external reference voltage, ensure that the output voltage range is within the specified range of 0 to VREF. If the output voltage exceeds VREF, the DAC may not operate correctly. Consider using a voltage divider or amplifier to adjust the output voltage range if necessary.
• What is the purpose of the DAC8162's internal 2.5V reference voltage, and can I use it as a system reference?
  The internal 2.5V reference voltage is intended for internal use only and should not be used as a system reference. It is not designed to drive external loads and may not provide the required accuracy or stability for system-level applications. Instead, use an external reference voltage or a dedicated reference IC for system-level reference purposes.
• How do I achieve the best possible linearity and accuracy with the DAC8162?
  To achieve the best possible linearity and accuracy, ensure that the input data is properly formatted, and the DAC is operated within its specified temperature range. Additionally, consider using a high-quality external reference voltage, and ensure that the output is properly filtered and buffered to minimize noise and distortion.
• What is the maximum output current capability of the DAC8162, and how do I handle output current limiting?
  The maximum output current capability of the DAC8162 is 20mA. To handle output current limiting, use an external current-limiting resistor or a dedicated current-limiting IC to prevent damage to the DAC or external components.