ADR420BRZ-REEL7 Integrated Circuits (ICs)

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The ADR420BRZ-REEL7 is a precision three-terminal low dropout positive voltage reference. It is typically used for power supply circuits, voltage regulator circuits, and precision reference circuits. This PMIC - voltage reference operates from a single 4.5 V to 5.5 V input and provides a low dropout and low noise reference voltage with a reference tolerance of ±2.5 mV. It also offers a wide temperature range of –40°C to +85°C and low quiescent current of 25 μA, making it an ideal choice for applications that demand tight reference accuracy and ultra-low power.

The ADR420BRZ-REEL7 operates using a low dropout voltage design in which a relatively low quiescent current is supplied to the reference output by an active high side regulator. The voltage reference output is actively monitored and regulated to the programmed level. This ensures a very low-dropout operation, providing better than 0.3% initial accuracy and 0.15% accuracy over the temperature range.

The ADR420BRZ-REEL7 also offers a shutdown mode that reduces the quiescent current consumption to less than 10 μA and an overload monitor that provides a warning when the output voltage is above the programmed level. This voltage reference includes a high precision, low noise, on-chip temperature compensation for improved accuracy. In addition, it also provides low ripple, low output noise, and fast transient response, making it perfect for use in precision RF and low noise applications.

The ADR420BRZ-REEL7 is suitable for use in a wide range of applications including power management, battery management, and other systems that require a precise and reliable voltage reference. With its tight reference accuracy and low power consumption, the ADR420BRZ-REEL7 enables designers to improve the overall performance and power efficiency of their systems. This PMIC - voltage reference is available in a space-saving 3mm × 3mm DFN package and can also be supplied with an over voltage protector (OVP) to prevent overvoltage events.

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