ADR444ARZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOIC (Small Outline Integrated Circuit)

Essence: ADR444ARZ is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR444ARZ is available in a standard SOIC package and 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
• Supply Voltage Range: 4.5V to 18V
• Quiescent Current: 1.5mA

Detailed Pin Configuration

The ADR444ARZ has the following pin configuration:

```

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

• VOUT: Output Voltage
• GND: Ground
• VIN: Input Voltage

Functional Features

• High precision voltage reference with excellent stability over temperature and time.
• Low dropout voltage allows for operation in low voltage systems.
• Low noise output ensures minimal interference in sensitive applications.
• Wide operating range makes it suitable for various voltage reference applications.

Advantages and Disadvantages

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

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

Working Principles

The ADR444ARZ utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature sensor and a feedback loop to adjust the internal voltage reference accordingly. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The ADR444ARZ 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-powered devices
5. Test and measurement equipment
6. Industrial control systems
7. Medical instruments

Detailed and Complete Alternative Models

1. ADR445ARZ: Similar to ADR444ARZ with improved initial accuracy of ±0.02%.
2. ADR443ARZ: Lower cost alternative with slightly reduced precision and accuracy.
3. ADR452ARZ: Higher voltage output range (up to 10V) with similar characteristics.

These alternative models provide options based on specific requirements and budget considerations.

Note: The above information is subject to change. Please refer to the manufacturer's datasheet for the most up-to-date specifications and details.