AD584JNZ Integrated Circuits (ICs)

Temperature Coefficient:	30ppm/°C
Base Part Number:	AD584
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 70°C (TA)
Current - Supply:	1mA
Voltage - Input:	4.5 V ~ 30 V
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	50µVp-p
Series:	--
Tolerance:	±0.3%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	2.5V, 5V, 7.5V, 10V
Output Type:	Programmable
Reference Type:	Series
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction

AD584JNZ is a voltage reference device that belongs to the family of PMIC (Power Management ICs). It is a single voltage reference that can be used to generate a reference voltage of either 5 V or 10 V. The device is an integrated circuit with a high-accuracy, low-drift and low-temperature coefficient voltage reference. It is suitable for applications requiring precision voltage reference (or references) or for defect detection and digital-to-analog converter (DAC) calibration. The device is widely used in a variety of fields due to its low power consumption and wide temperature range operation.

Application Fields

AD584JNZ voltage reference is a versatile device and can be used in many different applications. It is usually used in the following fields:-In communication systems, AD584JNZ is used to generate reference voltage levels for voltage-controlled oscillators.-In instrumentation systems, it is used to generate a reference voltage for analog-to-digital converter (ADC) calibration.-In medical systems, it is used for diagnostics or medical device calibration.-In digital audio, it is used for DAC calibration and gain setting.-In automotive applications, it is used to generate a reference voltage for piezo electric devices.-Other applications include computer peripherals, motion control systems and more.

Working Principle

The working principle of the AD584JNZ voltage reference is based on a reference voltage that is generated through the use of a temperature-stabilized chip-coupled junction. This junction is composed of a thermally matched pair of resistors matched to provide a fixed voltage reference. The junction is connected to the positive and negative supplies and then connected to a sense line, which is connected to a voltage buffer amplifier.The voltage at the reference junction is determined by the ratio between the two matching resistor values and its temperature coefficient. This voltage output is stabilized by an on-chip bandgap temperature coefficient, which compensates for temperature related drift in the reference voltage. The output of this voltage regulator is then buffered by a voltage buffer amplifier to provide the reference voltage for the voltage reference device.

Conclusion

AD584JNZ is a single voltage reference device from the PMIC family. It is a versatile device that can be used in a variety of applications due to its low power consumption and wide temperature range operation. The working principle of the device is based on a temperature-stabilized chip-coupled junction that is connected to the positive and negative supplies and a sense line, which is connected to a voltage amplifier. This device is widely used in communication systems, instrumentation systems, medical systems, digital audio and more.

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