REF5050AIDR datasheet by Texas Instruments

REF5050AIDR Frequently Asked Questions (FAQs)

• What is the recommended layout and placement for the REF5050AIDR?
  The REF5050AIDR is a high-precision voltage reference, and its performance can be affected by the PCB layout and component placement. It is recommended to follow a star-grounding layout, keep the device away from high-current paths, and use a low-ESR capacitor for decoupling.
• How do I ensure the REF5050AIDR is stable and accurate over temperature?
  To ensure stability and accuracy over temperature, it is recommended to use a low-ESR capacitor for decoupling, keep the device away from thermal gradients, and use a thermally conductive material for the PCB. Additionally, the REF5050AIDR has a built-in thermal sensor that can be used to monitor the device temperature.
• What is the recommended input voltage range for the REF5050AIDR?
  The recommended input voltage range for the REF5050AIDR is 4.5V to 18V. Operating the device outside of this range may affect its performance and accuracy.
• How do I handle the noise sensitivity of the REF5050AIDR?
  The REF5050AIDR is a high-precision voltage reference and is sensitive to noise. To minimize noise sensitivity, it is recommended to use a low-noise power supply, add decoupling capacitors, and use a shielded cable for the output voltage.
• What is the typical output impedance of the REF5050AIDR?
  The typical output impedance of the REF5050AIDR is around 0.5 ohms. This low output impedance ensures that the device can drive heavy loads without affecting its accuracy.