REF3225AIDBVRG4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Voltage references are commonly used in power management integrated circuits (PMICs). The REF3225AIDBVRG4 is one of the most often used PMICs for voltage references in the market. This article will discuss its application field and working principle.

Application Field of REF3225AIDBVRG4

The REF3225AIDBVRG4 is a high-precision voltage reference IC with extremely low noise, high accuracy, and low drift. The device is provided in a small, 5-lead TSOT package, allowing for its use in a wide variety of portable and industrial applications. It is most commonly used to provide a stable reference point for the analog-to-digital converters, DACs, instrumentation amplifiers, and other analog circuits. Additionally, the device can be used as a voltage regulator, providing both positive and adjustable negative supply voltages.

REF3225AIDBVRG4 provides an excellent solution for battery-powered designs and other applications requiring low power consumption. The low current draw of the device makes it an ideal choice for applications where power efficiency is critical. Furthermore, the device is designed to withstand the rigors of harsh industrial environments. It is capable of operating over a wide temperature range, allowing for its use in outdoor, industrial, or military applications.

Working Principle of REF3225AIDBVRG4

The REF3225AIDBVRG4 provides a stable reference voltage using an innovative architecture. The device integrates circuits that detect and reject supply voltage variation, temperature variation and device aging. This allows the device to maintain a stable voltage output regardless of the external conditions (temperature, supply voltage, etc.).

The device is based on a bandgap voltage reference, which is constructed by combining two matched transistors. Two transistors of the same type, along with their external resistors and capacitors, form the core of the reference circuit. The two transistors use the temperature-dependent voltage difference between them to produce a stable output voltage that is independent of temperature, supply voltage, and device aging. This allows the device to provide a stable reference point in a wide range of operating environments.

The REF3225AIDBVRG4 also features a low-quiescent current feature and a low line-regulation. This allows for increased efficiency of the device, as it can be powered by very small voltage sources without sacrificing performance. Additionally, the low quiescent current feature allows for the device to not be impacted by power cycling and thus maintain its accuracy even after long periods of inactivity.

Conclusion

The REF3225AIDBVRG4 is a high-precision voltage reference IC providing users with a stable reference voltage in a wide variety of portable and industrial applications. Its innovative architecture and low power requirements make it an ideal choice for battery-powered systems and other applications requiring low power consumption. Additionally, its low-quiescent current feature and low line-regulation offer increased efficiency and accuracy, making it an excellent solution for any reference voltage application.

The specific data is subject to PDF, and the above content is for reference