REF102AU

Temperature Coefficient:	10ppm/°C
Base Part Number:	REF102
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 85°C (TA)
Current - Supply:	1.4mA
Voltage - Input:	11.4 V ~ 36 V
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	5µVp-p
Series:	--
Tolerance:	±0.1%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	10V
Output Type:	Fixed
Reference Type:	Series
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction

Power management integrated circuits (PMICs) are essential components in any power supply system. Voltage references are a specific type of PMIC offering voltage-sourced, stable and temperature-compensated output voltages for wide range of applications. This article focuses on the application field and working principle of a specific voltage reference, the REF102AU.

Application Field of REF102AU

The REF102AU is a voltage reference device primarily used for voltage regulation and temperature-compensated circuits. It offers a wide range of different output voltages, ranging from 0.5V to 15V. This makes it ideal for use as a voltage reference in a wide range of voltage regulating applications.Other applications of the REF102AU include current measurement and precision servo-control. Furthermore, it is often used in communications systems. Its precision and temperature stability characteristics make it suitable for use as a voltage reference in data communication systems and other high-precision control systems.

Working Principle of REF102AU

The REF102AU is an integrated voltage reference circuit which generates an extremely stable and temperature-compensated output voltage. It works on a simple principle: the output voltage is derived from a reference element, typically a Zener diode or a temperature-independent resistor.The reference voltage is then combined with an input voltage to generate the output voltage. The output voltage is regulated by adjusting the ratio between the reference voltage and the input voltage. This ensures that the output voltage is a precise multiple of the reference voltage and is not affected by any external voltage fluctuations or temperature fluctuations. In addition to the voltage output, the REF102AU also provides precision current output that can be used to power other circuits. The value of the current output is adjustable, ensuring that the amount of current supplied to the load is always precisely controlled.

Conclusion

The REF102AU is a versatile and precision voltage reference device which is suitable for a wide range of voltage regulation, temperature-compensated and communication systems applications. It works by combining an input voltage with a reference voltage generated by a Zener diode or temperature-independent resistor, thus producing a well-regulated output voltage. It also provides a precision current output that can be adjusted to power other circuits.

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