REF5020IDGKT Integrated Circuits (ICs)

Noise - 0.1Hz to 10Hz:	3µVp-p
Base Part Number:	REF5020
Supplier Device Package:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Supply:	1.2mA
Voltage - Input:	2.7 V ~ 18 V
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	3ppm/°C
Tolerance:	±0.05%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	2.048V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The REF5020IDGKT Voltage Reference is a precision voltage reference designed for high performance instrumentation, low power applications and data acquisition systems. This device is extremely stable, provides a accurate output voltage, and has very wide temperature range operation. The REF5020IDGKT is a low power, precision voltage reference designed to provide an accurate reference voltage over a wide range of supply and temperature variations.

Applications

The REF5020IDGKT is a versatile device and can be used in a variety of applications. It is ideal for instrumentation, data acquisition, portable systems, and many other low-power applications. The versatile features of this device allow for easy use in applications such as temperature compensation, control and alarm systems, precision voltage sources, artificial intelligence, surgical and medical monitoring.

Features

The REF5020IDGKT offers a wide range of features that make it well suitable for many applications. The device offers a voltage reference that is accurate to ±15mV over a wide temperature range. Additionally, the device has a wide input voltage range of 2.5V to 20V, and a low quiescent current of 50µA. It also offers excellent output voltage stability throughout its wide operating temperature range. The REF5020IDGKT can provide higher load capacity, faster settling time, and better output impedance than conventional references.

Design Considerations

The REF5020IDGKT can be used in various applications. But before using the device, it is important to consider some important design parameters. The two major design considerations are ambient temperature and board layout. The device must be able to operate and maintain its accuracy over the full ambient temperature range of –40°C to +125°C. Additionally, a proper layout and thermal environment must be provided for the device to provide the best performance.

Working Principle

The REF5020IDGKT is a two-terminal device that uses a temperature compensated bandgap reference. This reference voltage is used to regulate the output voltage. The reference voltage is generated by a bandgap circuit, using an internal reference transistor and a temperature sensor. The select characteristics of this transistor and temperature sensor are used to generate a reference voltage of 1.2V at room temperature. This reference voltage is then regulated by a voltage regulation circuit to provide an accurate output voltage over a wide temperature range.

Conclusion

The REF5020IDGKT is a precision voltage reference designed for high performance instrumentation and data acquisition systems. It offers a wide range of features that make it applicable in a variety of applications, such as temperature compensation, control and alarm systems, precision voltage sources, artificial intelligence, surgical and medical monitoring. The device also has a wide input voltage range and a low quiescent current. It is able to maintain its accuracy over a wide temperature range and its output voltage is determined by an internal bandgap reference and temperature sensor.

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