REF02AU/2K5

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Provides a stable and accurate voltage reference - Operates at a temperature range of -40°C to +125°C - Low power consumption - High precision output voltage

Package: TO-92

Essence: The REF02AU/2K5 is a voltage reference IC that generates a precise and stable output voltage for various applications.

Packaging/Quantity: The REF02AU/2K5 is available in a TO-92 package and is typically sold in packs of 10.

Specifications

• Output Voltage Range: 2.5V ± 0.5%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 4V to 40V
• Quiescent Current: 1.5mA
• Line Regulation: 0.01%/V
• Load Regulation: 0.01%/mA

Detailed Pin Configuration

The REF02AU/2K5 has three pins:

1. VOUT: Output pin, provides the stable reference voltage.
2. VIN: Input pin, connected to the supply voltage.
3. GND: Ground pin, connected to the common ground.

Functional Features

• High accuracy and stability: The REF02AU/2K5 ensures a precise and stable output voltage, making it suitable for applications requiring high precision.
• Wide temperature range: It operates reliably over a wide temperature range, from -40°C to +125°C, making it suitable for various environments.
• Low power consumption: The IC consumes low power, making it energy-efficient and suitable for battery-powered devices.
• Excellent line and load regulation: The REF02AU/2K5 maintains a stable output voltage even with variations in the input voltage and load current.

Advantages

• High precision and stability ensure accurate voltage references.
• Wide temperature range allows for versatile applications.
• Low power consumption makes it suitable for battery-powered devices.
• Excellent line and load regulation ensures a stable output voltage under varying conditions.

Disadvantages

• Limited output voltage range of 2.5V ± 0.5% may not be suitable for all applications requiring different reference voltages.
• The TO-92 package may not be ideal for applications with space constraints.

Working Principles

The REF02AU/2K5 utilizes bandgap voltage reference technology to generate a stable output voltage. It compensates for temperature variations by using a combination of bipolar and CMOS transistor circuits, ensuring high accuracy and stability over a wide temperature range.

Detailed Application Field Plans

The REF02AU/2K5 is commonly used in various applications, including:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Temperature sensors
5. Industrial control systems
6. Test and measurement equipment

Detailed and Complete Alternative Models

1. REF01AU/2K5: Similar to REF02AU/2K5 but provides an output voltage of 1.25V ± 0.5%.
2. REF03AU/2K5: Similar to REF02AU/2K5 but provides an output voltage of 5.0V ± 0.5%.

These alternative models offer different output voltage options while maintaining similar characteristics and features as the REF02AU/2K5.

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