ADR512ART-R2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low noise

Package: SOT-23

Essence: ADR512ART-R2 is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR512ART-R2 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage Range: 1.25V to 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Quiescent Current: 120µA
• Noise: 4µVp-p

Detailed Pin Configuration

The ADR512ART-R2 has three pins:

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

Functional Features

• High precision voltage reference for various applications.
• Stable output voltage over a wide range of operating conditions.
• Low temperature coefficient ensures minimal drift with temperature changes.
• Low dropout voltage allows for efficient operation even with low input voltages.
• Low noise output for applications requiring high signal integrity.

Advantages

• Excellent accuracy and stability.
• Wide operating temperature range.
• Compact SOT-23 package for space-constrained designs.
• Low power consumption.
• Suitable for battery-powered devices.

Disadvantages

• Limited output voltage range.
• Requires external components for proper operation.
• Not suitable for high current applications.

Working Principles

The ADR512ART-R2 utilizes a bandgap voltage reference circuit to generate a stable output voltage. It compensates for temperature variations by employing a temperature-dependent current source and a voltage divider network. This ensures that the output voltage remains constant even with changes in temperature.

Detailed Application Field Plans

The ADR512ART-R2 is commonly used in various applications, including:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Sensor calibration circuits

Detailed and Complete Alternative Models

1. ADR511ART-R2: Similar specifications but with a lower initial accuracy of ±0.1%.
2. ADR513ART-R2: Similar specifications but with a higher initial accuracy of ±0.02%.

These alternative models provide options based on specific accuracy requirements while maintaining similar characteristics to the ADR512ART-R2.

In conclusion, the ADR512ART-R2 is a high-precision voltage reference IC with excellent stability and low temperature coefficient. Its compact package and low power consumption make it suitable for a wide range of applications. However, its limited output voltage range and need for external components should be considered when selecting an alternative model.