DAC7571IDBVT datasheet by Texas Instruments

DAC7571IDBVT Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the DAC7571?
  The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital inputs. This ensures that the internal voltage regulators are powered up correctly.
• How do I ensure accurate voltage output from the DAC?
  To ensure accurate voltage output, make sure to use a stable reference voltage, keep the analog and digital grounds separate, and use a low-noise power supply. Additionally, ensure that the output capacitor is properly sized and placed close to the output pin.
• What is the maximum output current of the DAC7571?
  The maximum output current of the DAC7571 is 5mA. Exceeding this current may cause the output voltage to droop or the device to overheat.
• How do I handle the DAC7571's digital inputs during power-up and power-down?
  During power-up and power-down, it is recommended to keep the digital inputs in a high-impedance state or tie them to a fixed logic level to prevent unwanted output voltage transitions.
• What is the recommended layout and routing for the DAC7571?
  To minimize noise and ensure accurate operation, it is recommended to keep the analog and digital signal paths separate, use a solid ground plane, and place the output capacitor close to the output pin. Additionally, avoid running digital signals near the analog output.