ADR4520BRZ

Product Overview

Category: Voltage Reference
Use: Precision voltage reference for various applications
Characteristics: High accuracy, low noise, low temperature drift
Package: TO-92
Essence: Provides a stable and precise voltage reference for electronic circuits
Packaging/Quantity: Available in reels of 2500 units

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Supply Voltage Range: 4.5V to 18V
• Quiescent Current: 1.5mA
• Output Current: 10mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR4520BRZ features a three-pin configuration:

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

Functional Features

• High accuracy: The ADR4520BRZ provides a precise output voltage with an initial accuracy of ±0.05%.
• Low noise: It offers excellent noise performance, making it suitable for sensitive applications.
• Low temperature drift: The temperature coefficient of 10ppm/°C ensures stability over a wide temperature range.
• Wide supply voltage range: The device operates from 4.5V to 18V, allowing flexibility in various power supply configurations.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low noise performance - Wide operating temperature range - Easy to use and integrate into circuits

Disadvantages: - Relatively high quiescent current compared to some other voltage references - Limited output current capability

Working Principles

The ADR4520BRZ is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable and precise output voltage. The internal circuitry compensates for temperature variations, ensuring accurate performance over a wide range of operating conditions.

Detailed Application Field Plans

The ADR4520BRZ is suitable for various applications that require a stable and accurate voltage reference. Some potential application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Oscillators and timing circuits
5. Sensor calibration
6. Battery-powered devices

Detailed and Complete Alternative Models

1. ADR4525BRZ: Similar to ADR4520BRZ but with an output voltage of 2.5V
2. ADR4530BRZ: Similar to ADR4520BRZ but with an output voltage of 3.0V
3. ADR4540BRZ: Similar to ADR4520BRZ but with an output voltage of 4.0V
4. ADR4550BRZ: Similar to ADR4520BRZ but with an output voltage of 5.0V

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

In conclusion, the ADR4520BRZ is a precision voltage reference that offers high accuracy, low noise, and low temperature drift. Its wide operating temperature range and ease of integration make it suitable for various applications in the electronics industry. While it has some limitations in terms of quiescent current and output current capability, there are alternative models available to meet specific voltage requirements.