ADR361AUJZ-R2

Noise - 0.1Hz to 10Hz:	8.25µVp-p
Base Part Number:	ADR361
Supplier Device Package:	TSOT-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Supply:	190µA
Voltage - Input:	2.8 V ~ 15 V
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	25ppm/°C
Tolerance:	±0.24%
Current - Output:	5mA
Voltage - Output (Min/Fixed):	2.5V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction

ADR361AUJZ-R2 is an adjustable voltage reference from Texas Instruments Standard Linear & Logic (SL&L), which integrates key precision references with wide temperature range and low offset voltage. It is a dual output voltage reference designed with a BCD potentiometer and amplifier (U/AILP) architecture. The device is built on advanced CMOS technology and allows for accurate, stable and low-power operation, making it ideal for use in power management, energy- and cost-saving applications.

Application Field

The ADR361AUJZ-R2 is a universal adjustable voltage reference, which is used in the design and manufacture of various products and modules within the electro-mechanical, medical, automotive and industrial to downsize high-voltage systems. It provides a reference signal through an adjustable output amplifier, which is helpful in controlling many high input voltage circuits. It operates over a wide temperature range (+125°C) and is capable of supporting rapid voltage transitions without any disturbances. Additionally, its low-input offset, high PSRR and low-noise provide superior performance in measuring and controlling signals. As voltage references are the key elements for many industrial control modules, this product helps to quickly and efficiently complete the development cycle and brings consistent stability to the process.

Working Principle

The ADR361AUJZ-R2 has an adjustable output amplifier that is used to provide a voltage reference signal to the circuit. It uses a BCD (binary-coded decimal) potentiometer to create the adjustable output voltage. This potentiometer is connected to an operational amplifier that has high gain and low offset voltage. The operational amplifier is then connected to a precision reference voltage (VREF) that is set by the user. The circuit utilizes the reference voltage that the user sets, to determine the target output voltage. This then sets the voltage at the BCD switch, thus forming a bridge circuit between the reference voltage and the output signal. As the reference voltage is increased, the output voltage will also increase by one-tenth, as long as the maximum output voltage of 2.5V is not exceeded. Once the reference voltage has been set and the output signal is given from the amplifier, the amplifier will convert the signal to the voltage corresponding to the set reference voltage.

Conclusion

The ADR361AUJZ-R2 is an adjustable voltage reference, which is designed to provide precise output voltage signals within wide temperature ranges. This dual output voltage reference comes with a BCD potentiometer and amplifier (U/AILP) architecture and is suitable for many industrial control modules. The product can be used in the design and manufacture of products in the electro-mechanical, medical, automotive and industrial industries and helps to downsize the high-voltage systems. The working principle of this device involves the use of a BCD (binary-coded decimal) potentiometer to create the adjustable output voltage and an operational amplifier to convert the signal to its corresponding reference voltage.

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