REF3025TB-GT3

Product Overview

Category: Voltage Reference
Use: Provides a stable voltage reference for precision electronic circuits
Characteristics: High accuracy, low temperature coefficient, low dropout voltage
Package: SOT-23-3
Essence: Precision voltage reference
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The REF3025TB-GT3 is a three-pin device with the following pin configuration:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• High accuracy: The REF3025TB-GT3 provides a precise output voltage of 2.5V with an initial accuracy of ±0.1%.
• Low temperature coefficient: It exhibits a low temperature coefficient of 50ppm/°C, ensuring stability over a wide temperature range.
• Low dropout voltage: With a dropout voltage of only 200mV, it can operate efficiently even when the input voltage is close to the output voltage.
• Low quiescent current: The device consumes only 60µA of quiescent current, making it suitable for power-sensitive applications.

Advantages and Disadvantages

Advantages: - High accuracy ensures reliable performance in precision electronic circuits. - Low temperature coefficient guarantees stability across varying temperatures. - Low dropout voltage enables efficient operation in low voltage applications. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited output voltage options, as it only provides a fixed 2.5V reference.

Working Principles

The REF3025TB-GT3 is based on bandgap voltage reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable voltage reference. The bandgap voltage reference circuit compensates for temperature variations, ensuring accurate output voltage regardless of environmental conditions.

Detailed Application Field Plans

The REF3025TB-GT3 is widely used in various applications that require a precise voltage reference. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision measurement instruments
5. Sensor calibration circuits

Detailed and Complete Alternative Models

1. REF3030TB-GT3: Similar to REF3025TB-GT3 but with a 3.0V output voltage.
2. REF3010TB-GT3: Similar to REF3025TB-GT3 but with a 1.0V output voltage.
3. REF3040TB-GT3: Similar to REF3025TB-GT3 but with a 4.0V output voltage.
4. REF3050TB-GT3: Similar to REF3025TB-GT3 but with a 5.0V output voltage.

These alternative models provide different output voltage options while maintaining similar characteristics and package types.

In conclusion, the REF3025TB-GT3 is a precision voltage reference that offers high accuracy, low temperature coefficient, and low dropout voltage. Its compact SOT-23-3 package makes it suitable for space-constrained applications. With its excellent performance and wide range of applications, the REF3025TB-GT3 is a reliable choice for precision electronic circuits.