REF5020IDG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low output noise - Wide operating temperature range

Package: SOIC (Small Outline Integrated Circuit)

Essence: The REF5020IDG4 is a precision voltage reference IC that provides a stable and accurate voltage output for various applications.

Packaging/Quantity: The REF5020IDG4 is available in a standard SOIC package. It is typically sold in reels of 2500 units.

Specifications

Output Voltage Range: 2.048V to 5V
Initial Accuracy: ±0.05%
Temperature Coefficient: 10ppm/°C
Dropout Voltage: 200mV
Output Noise: 3µVrms
Operating Temperature Range: -40°C to +125°C
Supply Voltage Range: 2.7V to 18V
Quiescent Current: 120µA

Detailed Pin Configuration

The REF5020IDG4 has the following pin configuration:

VOUT: Output Voltage
GND: Ground
VIN: Input Voltage
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection
VDD: Supply Voltage

Functional Features

High precision voltage reference with low initial accuracy and temperature coefficient.
Low dropout voltage allows operation in low voltage systems.
Low output noise ensures clean and stable voltage output.
Wide operating temperature range enables usage in extreme environments.
Internal thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High precision and stability - Low temperature coefficient - Wide operating temperature range - Low output noise

Disadvantages: - Relatively high quiescent current compared to some other voltage references. - Limited output voltage range.

Working Principles

The REF5020IDG4 utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The REF5020IDG4 is commonly used in various applications, including:

Precision analog-to-digital converters (ADCs)
Digital-to-analog converters (DACs)
Voltage regulators
Power management systems
Test and measurement equipment
Industrial control systems

Detailed and Complete Alternative Models

REF5025IDGKT: Similar to REF5020IDG4 but with a higher output voltage range of 2.5V to 5V.
REF5030IDGKT: Similar to REF5020IDG4 but with a higher output voltage range of 3V to 5V.
REF5040IDGKT: Similar to REF5020IDG4 but with a higher output voltage range of 4V to 5V.

These alternative models provide flexibility in choosing the desired output voltage range while maintaining similar characteristics and performance to the REF5020IDG4.

Note: The above information is subject to change. Please refer to the manufacturer's datasheet for the most up-to-date specifications and details.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací REF5020IDG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of REF5020IDG4 in technical solutions:

Q: What is REF5020IDG4? A: REF5020IDG4 is a precision voltage reference IC manufactured by Texas Instruments.
Q: What is the voltage range of REF5020IDG4? A: The voltage range of REF5020IDG4 is from 2.048V to 5V.
Q: What is the typical output voltage accuracy of REF5020IDG4? A: The typical output voltage accuracy of REF5020IDG4 is ±0.05%.
Q: Can REF5020IDG4 operate in high-temperature environments? A: Yes, REF5020IDG4 can operate in temperatures ranging from -40°C to +125°C.
Q: What is the maximum current that REF5020IDG4 can source or sink? A: REF5020IDG4 can source or sink up to 10mA of current.
Q: Is REF5020IDG4 suitable for battery-powered applications? A: Yes, REF5020IDG4 has low power consumption and is suitable for battery-powered applications.
Q: Can REF5020IDG4 be used as a voltage reference for analog-to-digital converters (ADCs)? A: Yes, REF5020IDG4 is commonly used as a voltage reference for ADCs due to its high accuracy.
Q: Does REF5020IDG4 require an external capacitor for stability? A: Yes, REF5020IDG4 requires an external 0.1µF ceramic capacitor for stability.
Q: Can REF5020IDG4 be used in precision measurement applications? A: Yes, REF5020IDG4 is suitable for precision measurement applications due to its low noise and high accuracy.
Q: What is the package type of REF5020IDG4? A: REF5020IDG4 is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Please note that these answers are general and may vary depending on specific application requirements.