ADR381ARTZ-R2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23

Essence: ADR381ARTZ-R2 is a precision voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The ADR381ARTZ-R2 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage Range: 1.22V to 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Supply Voltage Range: 2.7V to 18V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR381ARTZ-R2 has three pins:

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

Functional Features

• High accuracy and stability: The ADR381ARTZ-R2 provides a precise and stable output voltage, ensuring reliable performance in various applications.
• Low temperature coefficient: The low temperature coefficient ensures minimal output voltage variation with changes in temperature.
• Low dropout voltage: The low dropout voltage allows the IC to operate even when the input voltage is close to the output voltage.
• Low noise: The ADR381ARTZ-R2 generates minimal noise, making it suitable for sensitive applications.
• Wide operating temperature range: The IC can operate in extreme temperature conditions, ranging from -40°C to +125°C.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage range (1.22V to 5.0V)

Working Principles

The ADR381ARTZ-R2 is based on a bandgap reference circuit, which generates a stable and accurate voltage reference. It utilizes a combination of bipolar and CMOS technologies to achieve high precision and low temperature coefficient.

Detailed Application Field Plans

The ADR381ARTZ-R2 is commonly used in various applications that require a precise and stable voltage reference. Some of the typical application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Power management systems
5. Sensor calibration circuits
6. Test and measurement equipment

Detailed and Complete Alternative Models

1. ADR380ARTZ-R2: Similar to ADR381ARTZ-R2, but with a different output voltage range (0.5V to 5.0V).
2. ADR383ARTZ-R2: Similar to ADR381ARTZ-R2, but with a higher initial accuracy (±0.02%).
3. ADR386ARTZ-R2: Similar to ADR381ARTZ-R2, but with a lower temperature coefficient (5ppm/°C).

These alternative models offer similar functionality and can be considered as substitutes for the ADR381ARTZ-R2 in specific applications.

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