Texas Instruments recommends a star-grounded layout with a solid ground plane, and placing the REF3040AIDBZRG4 close to the analog-to-digital converter (ADC) or digital-to-analog converter (DAC) it is supplying. Additionally, keep the input and output traces short and separate to minimize noise and coupling.
To ensure stability, make sure to decouple the input pin (VIN) with a 10uF capacitor to GND, and add a 0.1uF capacitor from the output pin (VOUT) to GND. Also, keep the output capacitor (CO) value between 10uF to 100uF, and ensure the equivalent series resistance (ESR) is less than 5 ohms.
The REF3040AIDBZRG4 can supply up to 10mA of output current. However, it is recommended to limit the output current to 5mA or less to ensure optimal performance and minimize self-heating effects.
During power-up, the REF3040AIDBZRG4 has a soft-start feature that ramps up the output voltage over a period of 10ms to 20ms. During power-down, the output voltage decays rapidly to minimize power consumption. It is recommended to add a power-up reset circuit to ensure the system is properly initialized.
The REF3040AIDBZRG4 is specified to operate from -40°C to 125°C. However, the device's accuracy and stability may degrade at higher temperatures. For high-temperature applications, it is recommended to consider the REF3040AIDBZRG4's temperature coefficient and to perform thorough testing and characterization.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
REF3040AIDBZRG4 Overview
Use the download button to access the REF3040AIDBZRG4 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like REF30,
or try a keyword search, such as Voltage References
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
