ON Semiconductor REF3040TB-GT3 Voltage Reference IC

The ON Semiconductor REF3040TB-GT3 is a precision, low-power, low-dropout voltage reference IC that offers a fixed 4.096V output voltage. This high-performance component is designed for use in a wide range of applications, including data acquisition systems, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and portable battery-powered devices.

Featuring an impressive temperature coefficient of just 50 ppm/°C (max) over the industrial temperature range (-40°C to +85°C), the REF3040TB-GT3 ensures stable voltage reference even under varying environmental conditions. Its low dropout voltage and low supply current make it particularly suitable for battery-operated equipment, where power efficiency is critical.

The device is offered in a compact SOT-23-3 package, making it ideal for space-constrained applications. With a wide supply voltage range from 4.5V to 30V, this voltage reference IC provides designers with flexibility in various system designs. Additionally, the REF3040TB-GT3 has a low output noise of only 30 µVpp/V, which is essential for high-precision applications where noise can significantly affect performance.

For enhanced reliability, the REF3040TB-GT3 incorporates short-circuit protection and thermal shutdown features. This protection ensures that the device remains safe and functional even under abnormal operating conditions. The IC is also characterized for operation from -40°C to +125°C, providing a robust solution for industrial-grade applications.

Key features of the REF3040TB-GT3 include:

• Fixed 4.096V output voltage
• Low temperature coefficient: 50 ppm/°C (max)
• Low dropout voltage
• Low supply current
• Wide supply voltage range: 4.5V to 30V
• Low output noise: 30 µVpp/V
• Short-circuit protection and thermal shutdown
• Compact SOT-23-3 package
• Extended operating temperature range: -40°C to +125°C

The REF3040TB-GT3 is a reliable and precise voltage reference source that meets the demands of modern electronic applications. Its combination of features makes it an excellent choice for designers looking for a stable reference voltage with minimal power consumption.