REF3040AIDBZR datasheet by Texas Instruments

REF3040AIDBZR Frequently Asked Questions (FAQs)

• What is the typical output voltage tolerance of the REF3040?
  The typical output voltage tolerance of the REF3040 is ±0.05% (±6 mV) at 25°C.
• How does the REF3040 behave during power-up and power-down?
  The REF3040 has a built-in power-on reset (POR) circuit that ensures a stable output voltage during power-up and power-down. The output voltage ramps up and down slowly to prevent overshoots and undershoots.
• What is the recommended output capacitor value for the REF3040?
  The recommended output capacitor value for the REF3040 is 10 μF to 22 μF, depending on the specific application and noise requirements.
• Can the REF3040 be used in high-temperature applications?
  Yes, the REF3040 is specified to operate from -40°C to 125°C, making it suitable for high-temperature applications. However, the output voltage accuracy and long-term stability may degrade at extreme temperatures.
• How does the REF3040 handle input voltage noise and ripple?
  The REF3040 has a high power supply rejection ratio (PSRR) of 90 dB at 1 kHz, which helps to reject input voltage noise and ripple. Additionally, the device has a built-in noise filter to reduce output voltage noise.