ADR02AKS-R2

Noise - 0.1Hz to 10Hz:	10µVp-p
Base Part Number:	ADR02
Supplier Device Package:	SC-70-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Supply:	1mA
Voltage - Input:	7 V ~ 36 V
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	25ppm/°C
Tolerance:	±0.1%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	5V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Obsolete
Packaging:	Cut Tape (CT)

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Introduction

ADR02AKS-R2 is a voltage reference product developed and manufactured by Analog Devices with a 2.5V reference voltage. This microchip can provide precision and accuracy, making it suitable for use in a variety of applications including power supplies, medical and automotive electronics, consumer electronics, small embedded systems, and precision measurement solutions. Moreover, this voltage reference is available in an ultra-low-drift architecture that is designed for applications where the ambient temperature can vary widely, allowing for higher performance and more reliable and precise operation.

Application Field

ADR02AKS-R2 is commonly used in power supply systems to ensure accuracy and stability of output voltages. For instance, it can be used to generate a reference voltage that is needed to regulate the output steady current. It is also used to ensure accuracy and consistency in medical and automotive electronics in order to protect costly components from malfunctioning due to voltage fluctuations.In consumer electronics, this voltage reference can be used to generate an accurate and precise output for precision measuring instruments such as spectrum analyzers. Meanwhile, in small embedded systems such as LED lighting systems, ADR02AKS-R2 can be used to maintain a constant light intensity level.

Working Principle

The working principle of ADR02AKS-R2 can be simplified into two main components. First, the voltage reference integrated circuit generates a reference voltage by combining an amplifier circuit and a reference voltage source. Second, the output signal is stabilized with a temperature-compensated voltage reference, also known as a bandgap reference.The voltage reference integrated circuit contains two essential parts: a trans-impedance amplifier and a reference voltage source. The amplifier is used to convert currents into voltage signals. The reference voltage source, on the other hand, provides a precision reference voltage that is used to regulate the output signal.The temperature-compensated voltage reference is used to ensure the accuracy and stability of the output voltage. This is done through an on-chip digital thermometer that monitors the temperature of the environment. The temperature-compensated voltage reference can also mitigate the effects of process and voltage fluctuations by using its temperature-sensing circuit to make small corrections over time.

Conclusion

ADR02AKS-R2 is a high-accuracy, low-noise voltage reference from Analog Devices. This voltage reference integrated circuit can be used in a variety of applications where accuracy, stability and reliability are of paramount importance. The combination of a trans-impedance amplifier, reference voltage source and a temperature-compensated voltage reference allows for precise, consistent and reliable voltage output under varying conditions.

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