REF3430IDBVR datasheet by Texas Instruments

REF3430IDBVR Frequently Asked Questions (FAQs)

• What is the recommended layout and placement for the REF3430IDBVR?
  The REF3430IDBVR is a sensitive device and requires careful layout and placement to ensure optimal performance. It's recommended to place the device close to the analog-to-digital converter (ADC) and use a ground plane to minimize noise. Additionally, keep the input and output traces short and away from digital signals.
• How do I handle the output voltage noise of the REF3430IDBVR?
  The REF3430IDBVR has a relatively high output voltage noise of 100 μVpp. To minimize the impact of this noise, use a low-pass filter or a capacitor in parallel with the output to reduce the noise. Additionally, consider using a voltage reference with lower noise specifications if noise is a critical concern.
• What is the recommended input voltage range for the REF3430IDBVR?
  The REF3430IDBVR can operate with input voltages between 4.5 V and 18 V. However, it's recommended to operate the device within the 5 V to 15 V range for optimal performance and stability.
• How do I ensure the REF3430IDBVR is stable and reliable in my design?
  To ensure stability and reliability, follow proper PCB design guidelines, use a stable input voltage, and decouple the device with a 10 μF capacitor. Additionally, consider using a voltage reference with built-in protection features, such as overcurrent protection and thermal shutdown.
• Can I use the REF3430IDBVR in a high-temperature environment?
  The REF3430IDBVR is rated for operation up to 125°C. However, the device's accuracy and stability may degrade at higher temperatures. If your design requires operation in high-temperature environments, consider using a voltage reference with a higher temperature rating or implementing additional temperature compensation measures.