REF102AU/2K5G4

Product Overview

• Category: Voltage Reference
• Use: Provides a stable voltage reference for precision analog circuits
• Characteristics:
  • High accuracy and stability
  • Low temperature coefficient
  • Low output noise
  • Wide operating temperature range
• Package: SOT-23-3
• Essence: Precision voltage reference
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Voltage Output: 2.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Output Noise Voltage: 1.5µVrms (10Hz to 10kHz)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 4.5V to 30V
• Quiescent Current: 60µA

Detailed Pin Configuration

The REF102AU/2K5G4 is a three-pin device with the following pin configuration:

1. VOUT: Voltage output
2. GND: Ground
3. VIN: Supply voltage input

Functional Features

• Provides a precise and stable voltage reference for analog circuits
• Offers high accuracy and low temperature coefficient for reliable performance
• Low output noise ensures minimal interference in sensitive applications
• Wide operating temperature range allows usage in various environments
• Low quiescent current minimizes power consumption

Advantages

• High accuracy and stability ensure precise voltage references
• Low temperature coefficient reduces errors caused by temperature variations
• Low output noise enables accurate measurements in sensitive applications
• Wide operating temperature range allows usage in extreme conditions
• Low quiescent current prolongs battery life in portable devices

Disadvantages

• Limited voltage output options (only 2.5V)
• SOT-23-3 package may not be suitable for all applications
• Requires an external power supply

Working Principles

The REF102AU/2K5G4 utilizes a bandgap voltage reference circuit to generate a stable and accurate voltage output. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. These components work together to maintain a constant voltage output despite changes in temperature.

Detailed Application Field Plans

The REF102AU/2K5G4 is commonly used in precision analog circuits that require a stable voltage reference. Some typical application fields include:

1. Data acquisition systems
2. Instrumentation and measurement equipment
3. Industrial control systems
4. Medical devices
5. Automotive electronics

Detailed and Complete Alternative Models

1. REF102AU/2K5G4: 2.5V voltage reference, SOT-23-3 package
2. REF102AU/1K8G4: 1.8V voltage reference, SOT-23-3 package
3. REF102AU/5K0G4: 5.0V voltage reference, SOT-23-3 package
4. REF102AU/10K0G4: 10.0V voltage reference, SOT-23-3 package

These alternative models offer different voltage outputs while maintaining similar characteristics and package options.

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