REF102CU/2K5

Product Overview

• Category: Voltage Reference
• Use: Provides a stable voltage reference for precision analog circuits
• Characteristics: High accuracy, low temperature coefficient, low noise, and low dropout voltage
• Package: TO-99 metal can package
• Essence: Precision voltage reference
• Packaging/Quantity: Available in tape and reel packaging, 2500 units per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 4.5V to 36V
• Quiescent Current: 1.5mA

Detailed Pin Configuration

The REF102CU/2K5 has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage

Functional Features

• Provides a stable and accurate voltage reference for precision analog circuits
• Low temperature coefficient ensures minimal output voltage drift over a wide temperature range
• Low noise output minimizes interference in sensitive applications
• Low dropout voltage allows operation with low supply voltages
• Wide operating temperature range enables usage in extreme environments

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low temperature coefficient
• Low noise output
• Wide operating temperature range
• Compact TO-99 package for easy integration

Disadvantages

• Relatively high quiescent current compared to some other voltage references
• Limited output voltage options (only 2.5V)

Working Principles

The REF102CU/2K5 is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable voltage reference. The circuit compensates for temperature variations, ensuring a consistent output voltage over a wide temperature range.

Detailed Application Field Plans

The REF102CU/2K5 is commonly used in various precision analog applications, including:

1. Precision instrumentation
2. Data acquisition systems
3. Analog-to-digital converters (ADCs)
4. Digital-to-analog converters (DACs)
5. Voltage regulators
6. Sensor calibration circuits

Detailed and Complete Alternative Models

• REF102AU/2K5: Similar specifications but available in a smaller SOT-23 package
• REF102BU/2K5: Higher accuracy version with ±0.02% initial accuracy
• REF102CU/5K: Provides a 5V output voltage option

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list of alternatives.

In conclusion, the REF102CU/2K5 is a high-precision voltage reference that offers excellent accuracy, stability, and low noise performance. Its compact package and wide operating temperature range make it suitable for various precision analog applications. However, its relatively high quiescent current and limited output voltage options should be considered when selecting an alternative model.