ADR03AKS-R2

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The ADR03AKS-R2 is a voltage reference from Precision Monolithics and is classified as a PMIC – Voltage Reference. This device can be used for a variety of applications including current sensing, microprocessor core voltage regulation and precision voltage detection. As it is a voltage reference, it provides an extremely accurate, low drift voltage for any given application. The ADR03AKS-R2 provides a high accuracy reference voltage across its full temperature range from 0°C to +85°C with a maximum temperature coefficient of 55ppm/°C.

The device has a wide operating input voltage range of 1.2V to 5.5V and a linear output voltage range of 0.495V to 5V. It features a low quiescent current of less than 2μA. Furthermore, the ADR03AKS-R2 features a low noise output of 0.1% of full scale and an output voltage voltage error ensuring an output accuracy of ±0.05%.

The ADR03AKS-R2 works by using an innovative bandgap reference to generate its output voltage. This bandgap reference works by using two transistors, one that is biased at a constant current and the other biased at a constant voltage. The ratio of these two currents creates a voltage reference, known as the bandgap voltage, that is proportional to absolute temperature (PTAT). This bandgap voltage is buffered by an amplifier and then used as the output reference point. External resistors are then used to set the output voltage of the device.

The ADR03AKS-R2 can be used in a variety of applications including voltage regulation for microprocessor cores, current sensing, overvoltage and undervoltage protection, power supply spacing and precision voltage detection. This device is also well suited for mobile device applications that require high accuracy and low quiescent current.

Overall, the ADR03AKS-R2 is a very accurate and low drift voltage reference that is used in applications where high accuracy is required. The device can be used in a variety of applications and is particularly suitable for mobile device applications. It offers a wide input voltage range, low noise output and an output voltage accuracy of ±0.05%.

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