ADR443ARZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOIC (Small Outline Integrated Circuit)

Essence: ADR443ARZ is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR443ARZ is available in a standard SOIC package. It is typically sold in reels of 250 units.

Specifications

• Output Voltage Range: 2.5V to 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV (maximum)
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 1.5mA (maximum)

Detailed Pin Configuration

The ADR443ARZ has the following pin configuration:

```

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| | --| VOUT | --| | --| GND | --| | --| VIN | |___________| ```

• VOUT: Output voltage pin
• GND: Ground pin
• VIN: Input voltage pin

Functional Features

• High precision voltage reference with low temperature coefficient ensures accurate and stable output voltage.
• Low dropout voltage allows for operation even when input voltage is close to the desired output voltage.
• Low noise performance ensures minimal interference in sensitive applications.

Advantages and Disadvantages

Advantages: - High precision and stability - Wide operating voltage range - Low dropout voltage - Low noise performance

Disadvantages: - Relatively higher quiescent current compared to some other voltage references - Limited output voltage range

Working Principles

The ADR443ARZ utilizes a bandgap reference circuit to generate a stable and accurate voltage output. It compensates for temperature variations by using a combination of bipolar and CMOS technologies, resulting in a low temperature coefficient.

Detailed Application Field Plans

The ADR443ARZ is commonly used in various applications that require a precise and stable voltage reference. Some typical application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Test and measurement equipment

Detailed and Complete Alternative Models

1. ADR444ARZ: Similar to ADR443ARZ, but with a higher initial accuracy of ±0.02%.
2. ADR445ARZ: Similar to ADR443ARZ, but with a lower dropout voltage of 200mV.
3. ADR446ARZ: Similar to ADR443ARZ, but with a wider operating voltage range of 2.5V to 36V.

These alternative models offer different specifications and features to cater to specific application requirements.

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