ADR550ART-R2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23

Essence: The ADR550ART-R2 is a high precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.

Packaging/Quantity: The ADR550ART-R2 is available in a SOT-23 package and is typically sold in reels of 3000 units.

Specifications

The ADR550ART-R2 has the following specifications:

• Output Voltage Range: 1.24V to 5.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 120µA

Detailed Pin Configuration

The ADR550ART-R2 has three pins:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage

Functional Features

• High precision output voltage with low initial accuracy and temperature coefficient.
• Low dropout voltage allows for operation in low voltage applications.
• Wide operating temperature range enables usage in extreme environments.
• Low quiescent current minimizes power consumption.

Advantages

• High precision and stability ensure accurate voltage references.
• Low temperature coefficient reduces errors caused by temperature variations.
• Small package size (SOT-23) allows for space-efficient integration into circuit designs.
• Wide operating temperature range makes it suitable for various applications.

Disadvantages

• Limited output voltage range (1.24V to 5.5V) may not be suitable for all applications.
• Dropout voltage of 300mV may restrict usage in low voltage scenarios.

Working Principles

The ADR550ART-R2 utilizes a bandgap reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The ADR550ART-R2 can be used in various applications, including but not limited to:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Industrial control systems
6. Medical equipment
7. Automotive electronics

Detailed and Complete Alternative Models

1. ADR431BRZ: Low dropout voltage reference with similar specifications.
2. ADR4520BRZ: High precision voltage reference with wider output voltage range.
3. ADR4550BRZ: Ultra-high precision voltage reference with lower initial accuracy.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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