REF02HN8

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PMIC - Voltage Reference

What is voltage reference? As its name suggests, it is a reference voltage that is used for the purpose of providing a consistent voltage input for the component. The most common form of voltage reference is the linear voltage regulator, which is used to maintain a constant output voltage regardless of the fluctuations in the input voltage.

The REF02HN8 is a 5V precision voltage reference from Texas Instruments, offering high precision and low power compared to equivalent reference ICs. It features a feedback temperature coefficient, temperature-stable trimming, output voltage, and drift characteristics.

The REF02HN8 offers a wide range of applications, such as measurement, calibration, and data acquisition systems, LED drivers, and automatic level control systems. It can also be used as a voltage-to-current reference in DC/DC converters and digital-to-analog converters.

The REF02HN8 works by providing a consistently stable output voltage regardless of transient conditions present at the input. This is accomplished by two internal transistors, one acting as an emitter follower, and the other as a differential input stage.

It features a very low power consumption, typically 90mW when the output voltage is set to 5V, and is able to operate from a wide range of input voltages from 2V to 6V.

The REF02HN8 has a very low output drift rate due to its temperature-stable trimming characteristics, fully automated trim calibration and output voltage, and reduced temperature coefficient of the current sourced through its output. This allows for it to provide very accurate references even under long-term temperature exposure.

The REF02HN8 can also be used as a voltage regulator when the output voltage is adjusted to within 1% accuracy. It is available in three packages: 8-pin PDIP, 8-pin SOIC and 8-pin TSSOP.

In conclusion, the REF02HN8 is an ideal choice for use as a voltage reference, due to its high precision, low power consumption and its wide range of applications. It is a perfect choice for a variety of medical, consumer and industrial applications.

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