ADR125AUJZ-R2

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - High accuracy voltage reference - Low temperature coefficient - Low dropout voltage - Low noise - Wide operating temperature range

Package: SOT-23-3

Essence: The ADR125AUJZ-R2 is a precision voltage reference that provides a stable and accurate output voltage. It is commonly used in various electronic devices where a precise voltage reference is required.

Packaging/Quantity: The ADR125AUJZ-R2 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 1.25V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 60µA

Detailed Pin Configuration

The ADR125AUJZ-R2 has three pins:

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

Functional Features

• High accuracy: The ADR125AUJZ-R2 provides a highly accurate output voltage of 1.25V.
• Low temperature coefficient: With a temperature coefficient of only 10ppm/°C, the voltage reference remains stable over a wide temperature range.
• Low dropout voltage: The low dropout voltage of 300mV ensures efficient operation even with low input voltages.
• Low noise: The ADR125AUJZ-R2 produces minimal noise, making it suitable for applications requiring high precision.
• Wide operating temperature range: It can operate in temperatures ranging from -40°C to +125°C, making it suitable for various environments.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage options - Relatively high quiescent current compared to some alternatives

Working Principles

The ADR125AUJZ-R2 is based on bandgap reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable voltage reference. The bandgap reference circuit compensates for temperature variations, ensuring accurate output voltage over a wide temperature range.

Detailed Application Field Plans

The ADR125AUJZ-R2 is commonly used in the following applications:

1. Precision analog-to-digital converters (ADCs)
2. Data acquisition systems
3. Battery-powered devices
4. Industrial control systems
5. Medical equipment
6. Test and measurement instruments

Detailed and Complete Alternative Models

1. ADR124AUJZ-R2: Similar to ADR125AUJZ-R2 but with an output voltage of 1.24V.
2. ADR126AUJZ-R2: Similar to ADR125AUJZ-R2 but with an output voltage of 1.26V.
3. ADR123AUJZ-R2: Similar to ADR125AUJZ-R2 but with an output voltage of 1.23V.
4. ADR127AUJZ-R2: Similar to ADR125AUJZ-R2 but with an output voltage of 1.27V.

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

In conclusion, the ADR125AUJZ-R2 is a high-precision voltage reference with excellent stability and accuracy. Its low temperature coefficient, wide operating temperature range, and low dropout voltage make it suitable for various applications. However, it has limited output voltage options and a relatively higher quiescent current compared to some alternatives.