REF5020AIDG4

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 REF5020AIDG4 is a high-precision voltage reference IC used to generate a stable and accurate voltage in various electronic circuits.

Packaging/Quantity: The REF5020AIDG4 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

Pin Configuration

The REF5020AIDG4 has the following pin configuration:

```

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| | --| VOUT | --| VIN | --| GND | --| TRIM | --| NC | |___________| ```

Functional Features

1. High Precision: The REF5020AIDG4 provides excellent voltage accuracy, ensuring reliable performance in precision applications.
2. Low Temperature Coefficient: Its low temperature coefficient ensures minimal voltage drift over a wide temperature range.
3. Low Dropout Voltage: With a low dropout voltage, the REF5020AIDG4 can operate with a small input-output voltage differential.
4. Low Output Noise: The IC produces low output noise, making it suitable for noise-sensitive applications.
5. Wide Operating Temperature Range: It can operate in extreme temperature conditions, ranging from -40°C to +125°C.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient - Low dropout voltage - Low output noise - Wide operating temperature range

Disadvantages: - Relatively high quiescent current compared to some other voltage reference ICs - Limited output voltage range

Working Principles

The REF5020AIDG4 is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of different semiconductor materials to generate a stable voltage reference. The internal circuitry compensates for temperature variations, ensuring accurate output voltage regardless of ambient temperature changes.

Detailed Application Field Plans

The REF5020AIDG4 finds applications in various fields, including:

1. Precision Measurement Instruments: It is used as a voltage reference in multimeters, oscilloscopes, and other precision measurement devices.
2. Data Acquisition Systems: The IC provides a stable voltage reference for analog-to-digital converters (ADCs) in data acquisition systems.
3. Industrial Control Systems: It is employed in industrial control systems that require precise voltage references for accurate operation.
4. Communication Equipment: The REF5020AIDG4 is utilized in communication equipment such as base stations and transceivers to ensure reliable signal processing.

Detailed and Complete Alternative Models

1. REF5025AIDGKT: Similar to REF5020AIDG4 but with a higher output voltage range of 2.5V to 5V.
2. REF5030AIDGKT: Offers an extended output voltage range of 3V to 5V.
3. REF5040AIDGKT: Provides an output voltage range of 4V to 5V.

These alternative models offer similar characteristics and functionality, allowing users to choose the most suitable voltage reference IC for their specific requirements.

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